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Complete

Range ofElectricalStandardProducts

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Larsen & Toubro Limited

Switchgear Factory, Mumbai

Manufacturing Facilities

Distribution

International Sales

L&T's manufacturing facilities for

standard switchgear products are at

M u m b a i , A h m e d n a g a r a n d

Coimbatore. These facilities followworld-class processes including

Lean Manufacturing, Forced Draft

Ventilation System, TQM, Value

Engineering, JIT and Six Sigma. The

manufacturing units have a testing

facility that includes 85kA short

circuit test station.

The quality management systems at

L&T's factories conform to ISO 9001

& ISO 14000 Standards.

L&T Switchgear is available through

a network of more than 500

authorized stockists, one of the

largest distribution networks in the

industry.

L&T Swi tchgear has found

acceptance not only in India but has

customers in over 40 countries like

Malaysia, Singapore, Taiwan, China,

Hong Kong, Indonesia, Sri Lanka,

Bangladesh, UAE, Qatar, Oman,

Bahrain, Saudi Arabia, Kuwait, Iran,

Turkey, Egypt, Nigeria, Kenya and

UK to name a few.

Switchgear Factory, Ahmednagar

The Company

Larsen & Toubro infuses engineeringwith imagination. The Company

offers a wide range of advanced

solutions in the field of Engineering,

Construction, Electrical & Auto-

mation, Machinery and Information

Technology.

L&T Switchgear, a part of the

Electrical & Automation business, is

India's largest manufacturer of low

voltage switchgear, with the scale,

sophistication and range to meetglobal benchmarks. With over five

decades of experience in this field,

the Company today enjoys a

leadership position in the Indian

market with a growing international

presence.

It offers a complete range of products

including powergear, controlgear,

industrial automation, building

electricals & automation, reactive

power management, Energy

management services, energy

meters, and protective relays. These

products conform to Indian and

International Standards.

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Environment & Community

The Company has a comprehensive

Quality, Environment and Safety

m a n a g e m e n t s y s t e m . T h e

manufacturing facilities conform

to ISO 14001(Environmental

Management System) & OHSAS

18001 by BVQI.L&T has taken a number of

community initiatives in rural & semi-

urban areas across the country.

These include health checkup

camps like cancer detection, eye

checkup, and general checkup in

partnership with the stockists. L&T

s u p p o r t s s c h o o l s t h r o u g h

distribution of PCs, books, and

uniforms and providing teaching

staff. L&T has also come to the

rescue of common man at the time of

natural calamities like floods and

earthquakes, helping the community

by distributing clothes, food and

essential commodities.

Training Centre, Pune

Training

L&T's Switchgear training centers at

Pune, Lucknow and Coonoor have

state-of-the-art training facilities with

well equipped workshops and

testing systems. Training programs

are designed to suit the needs of

electrical professionals from various

areas like maintenance, projects,

panel design and consultancy. Over

90,000 participants have benefitedfrom these programs.

After Sales Service

The Company has over 40 branch

offices across the country and a

network of over 100 service centers

to deliver after-sales-service to its

customers.

A range of service solutions is

available to support the switchgear,

right from installation till the

complete life cycle. They come in the

form of preventive maintenance,

breakdown maintenance, retrofits

and upgrades.

Training Centre, Lucknow

Segment Focus

L&T has a wide range of products &

solut ions to address every

customer requirement.

The Company has dedicated

specialists for vital segments like

Industry, OEM, Agriculture, Building

and Utilities.

Training Centre, Coonoor

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A complete range of

Electrical Standard Products

Complete Range of Electrical Standard Products

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Ai r Circui t Breakers

Energy Management System-

Moulded Case Circuit Breakers

Switch Disconnector Fuses

High Rupturing Capacity Fuses

Changeover Switches

Contactors & Thermal Overload Relays

Definite Purpose Contactors

AC Induction Motors-

Starters

Soft Starters-

Motor Protection Circuit Breakers-

AC Inverter Drives

Programmable Logic Controllers

Programmable Smart Relay

AC Servo Systems

Rotary Switches

Digital Protective Relays

Reactive Power Management Solutions

Control Accessories

Current Transformers

Indicating Meters

Electronic Energy Meters

Modular Devices-

Modular Devices-

Wiring Accessories-

Lighting & Comfort Solution-

Building Management System-

Security & Surveillance System-

Automatic Transfer Contro ller Auxc-1000

L1000 Elevator Drive

Human Machine Interface-

Busbar Trunking System

Wires

Fire Detection & Alarm System

L1000

Energy Efficiency Solutions-

Medium Voltage Product Air Insulated Switchgear

p werman

New

1

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3

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COT NS

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1

IRCIRI BRE KE

A

CUT

ARS

C-POWER

Conforms to

IS/IEC 60947-2 & IEC 60947-2 Comprehensive range: 400A to

6300A

Ics=Icu=Icw across the complete

range for total selectivity / discrimi-

nation

Proven track record of over350,000 installations in 40 years

High mechanical and electrical

life

Optimally designed ACBs with

low watt loss and temperature rise

Elegant design and rugged

construction

Suitable for direct termination of

aluminium links

In-built mechanical anti-pumping

feature

Distinct 'maintenance' position in

draw-out ACBs

Common depth and height up to

4000A

marking for the complete range

C-POWER S1 Range

630A to 3200A in two frame sizes in

draw-out version

Ics=Icu=Icw (for 1sec) for complete

selectivity

Optimally designed ACBs with

low watt loss and temperature rise

High mechanical & electrical life

In-built mechanical anti-pumping

feature

Common depth & height across the

range

Common accessories with C-Power

Suitable for direct termination of

aluminum links

Protection ReleaseComprehensive range of micro-

processor based protection and

control units with true-RMS sensing,

self-powered protections, fault

annunciation & communication

capabilities. Conforms to EMI / EMC

standards.

- Offers comprehensive

protection for overload, short circuit,

instantaneous, earth fault and

neutral overload, power metering,

communication & other advanced

features

- Overload, short circuit,

instantaneous and earth fault

protection with zone-selective

interlocking

- Overload, shortcircuit, instantaneous and earth

fault protection

SR71

SR21i

SR18/18G

C-POWER

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2

Conforms toIS/IEC 60947-2 & IEC 60947-2

400A to 6300A in three optimizedframe sizes

Standard 100% neutral rating, 50%

and 200% neutral ratings also

available

Common height and depth across

the range Suitable for direct termination of

aluminum links

No derating at higher ambients

Unique arc chute interlocking

prevents breaker closing when arc

chute is missing

Smart racking shutter ensures

total safety in racking operations

Unique pole design ensures energy

saving through low watt loss

Independent locking of ON / OFF

buttons

Tool-less fixing of voltmetric

releases

Display of complete accessory

information on front facia

U-POWEROMEGA

IRCIRI BRE KE

A

CUT

ARS

ENEGYMAE N

SYSEM

R

NAGMETT

Matrix System

Unique OLED display

Metering for current, % loading

voltage, power, energy, PF,

frequency & THD

Modular design provides flexibilityin selection of features

Touch screen interface for setting

parameter in UW-MTX 4.5 version

& bargraph display

Event & trip history recording

Possible to integrate with any

Energy Management System

lProtection against EF & REF

DIN rail mountable modules for

advance protections

Conforms to EMI/EMC standards

for metering

Data communications through

Modbus, Profibus & Zigbee

protocol

Smart-card for quick paramete-

risation of protection releases

like REF,

ZSI, Temp. monitoring

Manage different types of loads

like: electricity, water, gas, steam

Comprehens ive solu t ion for

protection and power management

Customized single line diagram ofpower system

Integrates all communicable L&T

products viz. ACBs, meters and

PLCs

Intuitive web-based Graphical User

Interface (GUI)

Remote real-time monitoring and

data acquisition

Comprehensive reporting and

alarm management

Real-time and historical trending

Multi-level password protection

'N' number of devices can be

connected using existing LAN/WAN

network

Helps in saving energy

p werman

pwerman

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3


Range: 16A to 250A

Available in 1P, 2P, 3P & 4P variants

Short circuit breaking capacities

upto 36kA

Aesthetic and compact

High electrical and mechanical life

Adjustable thermal release

Finger proof terminals

Available in SS enclosures

Suitable for DB mounting

Conforms to

IS/IEC 60947-2 & IEC 60947-2

MCCB: Type DU Series

MCCB : Type DN

Accessories

Complete range: 16A to 1250A in

3 pole / 4 pole variants

Short circuit breaking capacities

upto 70kA

Micro-controller based communicable

protection and control units

Conforms to

IS/IEC 60947-2 & IEC 60947-2

certified

Wide range of snap fit internal &

external accessories

Positive isolation User friendly features

Ergonomic design

Safe to install & use

Electrically operated mechanism

(EOM) - Stored Energy type

Faster opening and closing

High Mechanical & Electrical endurance

Compact in size

Easy installation

Variety of indications

External Neutral CTCan be used for 3 phase 4 wire system

with 3P MCCB

Reliable solution for earth / neutral fault

protection

MOULDEDCASECIRCUITBREAKERS

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4

MOULDEDCASECIRCUITBREAKERS

Microprocessor based

Releases MATRIX 1.0/2.0LS or LS / ING protection

User selectable Overload curves

for different applications

Optional door mounted currentmetering OLED display

Thermal memory defeat feature

MATRIX 3.0LSING protection

Wider protection curves with basic &

advanced protectionsEnergy & power management

functionsTHD measurement

Large variety of add-on modulesCommunication capable release

Wireless remote display

Motor backup protection

version

Switch Disconnector version

Only magnetic with instantaneous

protection upto 10In

Fault level protection for complete

starter upto 50kA (I = I )Q cu Type 2 charts available for DOL &

Star/Delta starters

Can be used as switching or

isolator devices Higher withstand capacities

Accessories available for remote

operation

MCCB : Type DN

Releases

Thermal Magnetic Release Adjustable overload settings

Adjustable short circuit setting

True RMS sensing

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SDFs: Type FN

Accessories

Spares

Ratings: 32A to 800A

Version: TP/TPN

Suitable for DIN, BS & Cylindrical

type fuses

High short circuit rating of fuses

(100kA)

Full AC-23A utilization category

Positive isolation of fuses

Quad break contact system Separate arcing and current

carrying zones

High clearance and creepage

distances

Phase barriers

Suitable for aluminum terminations

Built-in isolable or add-on switched

neutral

Easy inspection and replacement

of contacts

Suitable for horizontal and vertical

terminations

Clear ON / OFF indications

Available in sheet steel enclosure

Conformance to IEC 60947-3 and

IS/IEC 60947-3

Handle assembly (Type A/B/CE)

Switched neutral kit

Auxiliary contact kit

Mechanical interlock kit

Castell interlock

Terminal shroud kit

Interphase barrier kit

Handle assembly

Front housing assembly

Spare kit of contacts

SDFs: Type FNX

Accessories

Ratings: 32A to 800A in six frame

sizes

AC-23A rating for the complete

range

Available in TPN and four pole

versions

High short circuit capacity of fuses

(100kA) Electro dynamically compensated

contact system

Versatile handle (patented)

High clearance and creepage

distances

Suitable for copper and aluminium

terminations

marking and conformance to

IEC 60947-3, IS/IEC 60947-3


of contacts

Fuse barriers to prevent interphase short circuits

DIN rail mounting up to 100A

Suitable for horizontal and

vertical installations

Terminal shrouds for safety

Telescopic shaft for the handle

(stepless adjustment)

Clear ON / OFF indication

Auxiliary contact kit

Castell lock

Fuse operation indicator

Extended terminal shroud

Fuse puller unit


DIN rail mounting kit

5

DIN Fuses: Type HN

Cylindrical Fuses:

Type HF

Bolted Fuses: Type HG

Bolted Fuses: Type HQ

Accessories

High breaking capacity (100kA)

Low watt loss

Low let-through energy

Immediate fault indication

Size: 000 to 3

Ratings: 2A to 63A


Low watt loss

Immediate fault indication

Ratings: 2A to 32A


Ratings: 2A to 630A


Fuse base

Fuse pulling handle


CHSWIT

ISC

CT

D

ONNEOR

S

FUSE

U

HIGHRUPT RING

CAPACITYFUSES


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6

Type FG

Accessories

Excellent aesthetics Ratings: 63A, 1250A & 1600A

High making and breaking

capacities

Highly reliable

Convenient single handle

operation

Suitable for tropical conditions

Quick make and quick break

mechanism

Reduced operating torque

Conformance to IEC 60947 - 3

and IS/IEC 60947 - 3

Safety key lock

Auxiliary contacts

Clutch handle

NE E

CHE

CHAGOV RSWITS

Type C-Line

Accessories & spares


Available in 5 frame sizes

AC 23A rating for complete range

Available in open execution & in SS

enclosure versions

Spacious SS enclosure doesn't need

separate gland box

Electro-dynamically compensated

contact system

Higher withstand capacity

Higher electrical & mechanical life

Suitable for aluminum termination Staggered terminals for ease in

termination

Unique flippable handle above 400A

Dual operating position (Center/side)

No load line bias

Excellent aesthetics

Complete safety: Terminal shroud,

phase barriers & source separator

provided as standard

Site mountable fuse conversion kit

Handle

Auxiliary contacts

Fuse conversion kit

Castele lock

EOM version

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7


Mini Contactors

Type MX Suitable for both control & powerapplications

AC/DC versions available

Front ON / OFF mechanical

indication

Base and DIN rail mounting

facility

Finger proof terminals

Built-in surge suppressor for DCcontactors

Direct mounting of overload

relays Wide range of accessories

Conforms to IEC 60947-4-1,

IS/IEC60947-4-1 standards

Thermal Overload Relays

Type RTX & MN

Accessories

Ratings: RTX Relay 0.20A-40A

MN Relay 9A-570A

Inbuilt single phasing protection

Suitable for direct/separate mounting

Built-in START and OFF / RESET

push buttons

Auto and manual reset modes

Ambient temperature0 0

compensation: -5 C to +55 C

Electrically separate NO contact

Conformance to IEC 60947-4-1 and

IS/IEC 60947-4-1

Push button unit Relay mounting kit

Power Contactors

Type MNX

Special features of 9A - 40A

Contactors

Accessories

Ratings : 9A to 650A

Available in six frame sizes


of coils and contacts

Alpha-numeric terminal markings Front ON / OFF indication

Entire range UL certified

Operating band from 62% to 120%

up to 32A

Conforms to IEC 60947-4-1, BSEN

60947-4-1 & IS/IEC 60947-4-1

Snap fit construction

Finger-proof terminals

Common coil for entire range

Add-on auxiliary contact block

Surge suppressor


N

TRMA

CONTACTORSADHEL

EOVRLOADRELAYS

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8

4 Pole Contactors

Type MCX Ratings: 16A to 700A ( AC1 duty)

Suitable for Genset applications

Available in five frame sizes

and eighteen current ratings

Alpha-numeric terminal marking

Conforms to IEC 60947-4-1,

IS /IEC 60947-4-1 standards

Wide operating band upto 100A

AC1

MCX range to replace MC range

of 4 pole contactors

Contactors

Type MO Ratings: 9A to 110A

Available in three frame sizes

Low VA consumption

Standardised accessories

Box clamp termination

Terminal shrouds for power

terminals

Compact in size

Thermal Overload Relay

Type RTO-1

Accessories

Ratings: 1.2A - 45A

Hingeable shrouds

Phase failure sensitive

Visual status indication

Sealable transparent cover

Auto/manual reset function

Ambient temperature compensated

Mounting adaptor for separate

mounting

Mechanical reset cord

N

TRMA

CONTACTORSADHEL

EOVRLOADRELAYS

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9

Single-Pole Contactors

Type MR 1 Available in ratings 25A & 40A

The ultimate solution for heating,

ventilation and air-conditioning

applications

Available with screw and fasten

type terminations

Type MPX

Accessories

Ratings : 8.5 to 60kVAr

Available in three frame sizes

Mechanically de-latched type

design

High electrical life

Inrush current capacity more than

180 x In

High frequency of operation about

120 operations/hr DIN rail mounting facility

1 NO/NC/1 NO+1 NC add-on blocks


DEFINITEPURPOSE

CONTACTORS

AuXC - 1000

Compatible switching

device

Programmable display for

programming and voltage

measurement

Dual AC & DC Power supply

Standard supplied RS232 Port

Contactors Type MCX

C-Power / U-Power

Moulded Case Circuit

Breakers, Type D sine / DNX

UTOAMATIC

RA FETNS RRLE

CONTOL R0

AuXC-100

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10

AINUCD CTIONMOTORS

LTS Series: 3Phase

TEFC Cage Motors Range - 0.12kW to 630kW

Suitable for inverter application

in pumps, blowers & fans

VPI and dual coat wires as

standard feature

LTI Series: 3Phase

Inverter Duty Motors Range - 0.37kW to 630kW

Ideal for constant torque

application

Suitable for longer cable

distances be tw een VFD &

Motor

VPI, special inverter grade

wires and external cooling

arrangement as standard

features

LTL Series: 3Phase

Laminated Yoke Motors Range - 3kW to 81kW

Extremely compact motors with

radial cooling arrangement

Precise speed control

Ideal replacement for DC machines

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T R

SATERS


Type MOG

Accessories

Wide range from 0.16A to 63A with

adjustable overload

Compact in size

High short circuit breaking capacity(150kA upto 10A, 50kA for higher

rating)

Door coupling handle for clear ON /

OFF / TRIP indication

TRIP indication for every range

Conforms to IEC 947-2 & 3,

IEC 947-4-1 standards

DIN-rail mounting for the entire range

Differential trip indication facility for

trip alarm contact

Standard auxiliary & alarm contacts

(front and side mounting)

Shunt release

Under voltage release

Door coupling rotary handle

Type MN

Direct-On-Line Starters

Star-Delta Starters

Excellent aesthetics Flush mounted push buttons

Built in single phase protection

relay

Suitable for rural and industrial

motor application

Enclosures with IP54 degree of

protection

Lockable push button

Termina l bl ock for ease of

termination

Copper and aluminum terminations

possible

Conforms to IS 13947-4-1 and

IEC 60947-1 standards

Suitable for motors up to 45 hp

Wide band of operating voltage

Wide range of relay settings and

coil voltages

Suitable for 10 hp to 400 hp motors

Base plate mounting with rubber

gasket makes the starter assembly

vibration proof

Available in semi automatic and

fully automatic versions

Electronic timers in fully automatic

starters for high repeat accuracy

Soft starters

Range: 7.5kW to 800kW @ 400V Wide control voltage range

(110 - 440V AC)

XLR8 adaptive acceleration control

Timed voltage ramp, constant

current, torque control, kick start

Soft stopping

Soft braking

Phase sequence protection

Auto start

Fault history

Communication on RS 485

Forward / Reverse jog functions

Simulator function allows soft

starter functionality to be checked

without connecting motor to soft

starter

Total motor starting solution

11

MOTORPROTECTION

CIRITBREKES

CU

ARF

TT E

SOSART RS

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12

Programmable Logic

Controller (PLC)

Wide range: 10-1600 I/Os

On board I/O mapping for

faster setup

2 in-built communication ports

(MODBUS / user defined

protocol)

Run / remote / programming

switch - on board

User friendly windows based

programming software for

entire range

Advanced software features,

offline simulator & time chart

monitoring

Ideal for OEM application &

machine automation

Compact & modular Programmable SmartRelay: L1000

L1000 is a microprocessor based

programmable smart relay

Can handle 48 Digital Inputs/Outputs

Can also handle Analog Inputs

Inbuilt 16 Timers, 16 Counters, 16

Time switches

Onboard display for parameter

editing & program editing

Can be configured as MODBUS

slave on RS 232 or RS 485

Application for L1000 are: Pump

c on t ro l , P C C / M C C pane l s ,

Conveyers, Machine Automation

and Utilities

ACN T RE

IVERE

DRIVS

RGMM

P ORAABLE

OICCOT ORS

L G

NRLLE

PR GRAMMALE

O

B

SMAT ELAY

R RL1000

AC Inverter DrivesNew range of 1000 series AC Drives

with latest technological advancement

are designed for 10 years performancelife with many more features as under:

Capable of running induction as well

as permanent magnet motor

200% rated torque @ 0 r/min

Advance auto-tuning methods

Application presets for faster startup

of the system

Dual rating: Normal duty and heavy

duty

Detachable intelligent terminal block

with parameter backup

Swing PWM function to decrease

noise at low carrier frequencies

Unique pre-maintenance function

Faster communication on MODBUS

with baudrate of 115kbps

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L1000 Elevator Drive Range: 200V class: 3.7 * 110 kW

400V class: 3.7 * 110kW

Direct-to-floor & short floor

function

Rescue operation with DC

Backup & safe disable function

Advanced Anti-Rollback

Overshoot and Anti vibration

control

Terminal block with parameter

backup

Human Machine

Interface

Available from 4.3" to 15

screen size in 7 models

Touch LCD interface

Advanced Features: Multi

Language, Graphic, Extended

Alarms, Recipe, Data Logging,

Printing, Password protection,

Trends

Serial, Ethernet, Field bus

communication

Multiple PLCs, Controllers

connectivity

0EVT

L100LEAOR

DRIVE

N

E

HUMAMACHIN

INET RFACE

13

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S IH

ROTARY WTC

ES

Rotary Switches

Types available

Applications

Ratings: AC : 6A - 600ADC : 16A - 500A

Standard and customized switches

Suitable for AC/DC applications

Break before make/Make before

break type switches

Flexibility of operating positions and

switching angles

Multistep programming switches

Versatile mounting options to suit

variety of applications

User defined marking on the script

plates

DIN rail mounting facility

Choice of attractive colors in front

knob plate

Padlocking switches for safety

AC switches (series S, TP and RT)

AC/DC switches (series D)

Spring return switches

Isolator

Changeover switches

Multi-step switches

Gang switches

Selector switches

Control switches

Motor switches

Digital Protective

Relays

Product Range

Compact & light weight relays

Self-diagnostic feature ensures

complete reliability Low power burden

Communication capable

Offers multiple protection

Flexibility in selection of protection

curve

Conforms to latest standards

IEC 6100, IS 3231 and IS 8686

Single phase & three phase over

current and earth fault relays

Under-voltage & over-voltage

Control supervision

Power factor control

Motor protection

Generator protection

Transformer protection

LPEIV

DIGITA ROTCTE

LREAYS

ACSERVOSYSTEM

AC Servo System

Sigma-II Series Servo Drives -

30W to 90 kW

JUNMA Series Servo Drives -

100W to 750W

Sigma-V Series Servo Drives -

50W to 15 kW

Choice of Low inertia, Middle inertia

and High inertia motors

Very good peak torque performance

(approx 300%) for longer period of

time to help in quick acceleration

17 bit incremental encoder*

(resolution-131072 PPR) as

standard with Serial Interface to

Servo pack

Excellent cost to performance ratio

for Position Control

Industrys first plug and play type

Servo Drive

Achieve optimum Servo per-

formance without gain setting and

tuning parameters (No gain tuning

and parameter setting required)

Very High Performance Servo with

outstanding frequency response of

1600 Hz (best in Industry)

Very good peak torque performance

(approx 350%) for longer period of

time to help in quick acceleration

20 b i t incremental encoder

(resolution-1, 048, 576 PPR) as

standard with Serial Interface to the

Servo pack

14

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Push Buttons /

Actuators /

LED indicators

Types available

New design to meet end user

requirement

Can accommodate 1 NO block or1 NC block or 1 bulb holder

No screws required for assembly

Ease in mounting and wiring

Excellent aesthetics

International approvals , , ,VDE Integral actuators

Modular remote control units

Push button actuators, pendants

and stations

Selector switches & accessories

LED indicators

Filament indicators and spares

Modular blocks and spares

All purpose enclosures and spares

Timers, Time

Switches,

Hour Meters &

Supply Monitors Auto reset synchronous timers

Electronic timers

ON delay, cyclic, OFF delay,

Star DeltaAsymmetrical ON / OFF

Supply monitorsSingle phasing preventor

U/V + O/V relay with time delay

Hour meters

Electromechanical / Digital

Time switches

Electromechanical timeswitches

Digital time switches-crono

Astronomical time switches

1Ph & 3Ph

Power Factor

Correction Capacitors

LTXL range of capacitors

MPPS Capacitors (1 to 25 kVAr)

MPPH Capacitors (5 to 50 kVAr)

Harmonic Mitigation Devices

Thyristor Switching Module

Automatic Power Factor

Correction (APFC) Solutions

for variable loads

Range available: 5-100 kVAr

Available in box type construction

with advanced APP technology

Standard Duty (Agri duty, Box and

Cylindrical type)

Heavy duty (Box and Cylindrical

type)

Heavy duty gas filled (Cylindrical

type)

Reactors 7%, 14% and custom

designed also available

Detuned filter units in various

ratings-5,10,15,20,25,50,100 kVAr

Range available: for 10 kVAr,

25 kVAr and 50 kVAr

APFC panel with power factor

correction capacitors

APFC panel with Harmonic filters

& thyristor switches

O

CONTROLACCESSRIES

REIVPWE

ACT E

OR

M

EN SO

ANAGMETLUTION

15


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DANMEE

INICTIGT RS

Indicating Meters

Available in

Types

Sizes - 72 x 72, 96 x 96 & 144 x 1440

Scale 90

Version - AC / DC

Voltmeter & Ammeter (Direct reading) Ammeter (CT operated)

Voltmeter(PT operated) Power factor meter & Power meter

Current Transformers

Features

Applications

lCost effective moulded case

measuring current transformers

l

Limited range include the sevenmost popular sizes of current

transformers

lRatio ratings from 50/5 to 4000/5

lWide range of current ratings,

busbar sizes, case widths and

apertures

lSealable terminal covers

lBase mounting and busbar

mounting option

lSwitchgear

lDistribution system

lGenerator sets

lControl panels

lOverload protection

lControl devices

CURRENTTRANSFORMERS

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Acrux - Three-Phase

Energy meter Flush mounting - 96mm x 96mm

overall size (cutout size - 92mm x

92mm)

Compact and light-weight

Class I accuracy as per IS 13779

LED indication proportional to

kWh for on spot calibration Meter records correct energy

Irrespective of current directionBalance and imbalance condition

with any phase sequence

Quasar - Intelligent

Panel meter All instantaneous and cumulative

values

Flush mounting - 96mm x 96mm

overall size (cutout size - 92mm x

92mm)

Class I accuracy

Separate display of fundamental

and total harmonic values for

currents and voltages of all

phases

Front panel programming

Communication interface via

RS 485 port & MODBUS protocol

ELCTOICEE GYMEE S

ERNNR

T R

GEMiNi

Dual Source Meter

Features

Dimension

An innovative panel meter designed

for dual source energy measurement.

It serves as a replacement for two

seperate energy meters necessary for

metering application with dual energy

sources.

Class 1.0 Accuracy as per IS & IEC

standards

Dual Energy register for dual energy

source

RS 485 MODBUS communication Field programmable CT PT Values

and Meter ID

: 96 L x 96 B x105 D mm

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Electronic kWh Meter Single and three phase versionsavailable

Current reversal indication

LED indication proportional to

kWh for on-spot calibration

Six digit counter

Dust proof body, rugged

construction, elegant

polycarbonate casing

Not affected by mounting position

Not affected by external magnetic

field

Earth load tamper indication in

single phase energy meter

Three phase energy meters work

even on neutral removal

ELCTOICEE GYMEE S

ERNNR

T R

Three Phase kWh

Energy Meter (NOVA)

Features

Dimension (H x W x D)

NOVA is a compact, digital, panel

mount meter for kWh measurement.

NOVA is flush mount 3 Phase 4 WireCT operated kWh meter with RS 485

MODBUS communication.

96 x 96 x105 mm

Panel cutout: 92 x 92 mm

Accuracy class 1.0

Measures kWh & kW

Forwarded energy registration in

case of current reversal

Phase wise Voltage, Current &

Power on display

Average Voltage & Current on

display

Phase sequence on display

RS485 MODBUS communication

Auto & manual display mode

User friendly menu driven LCD

display

Field programmable CT/PT ratio

Customised LCD display & Push

Button navigation

Scroll lock feature for locking of a

desired parameter on display

Low CT/PT burden

High Resolution Energy

Auxiliary Supply 88V TO 300 V AC

/DC

Flush Mounting

Versions Meter Em301

Features

Dimension (H x W x D)

The superiority of this meter lies in its

ability to work normally under reverse

current, unbalance voltage and current,

different phase sequence, voltage

variation etc.

Class 1.0 accuracy

LEDs indicating presence of each

phase

Withstands 440 Volt between Phase

and Neutral

Maintains accuracy under current

reversal conditions

High surge withstand capability up to

8kV

Polycarbonate enclosure

Anti-Tamper features

17A2 x 180.5 x 76 mm

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Residual Current

Circuit Breakers

(RCCBs)

Hi version

Protects against earth leakages and

electric shocks

Available in DP and FP versions in

25A, 40A, 63A and 100A ratings

with 30mA, 100mA and 300mA

sensitivity

Avoids nuisance tripping

Conforms to IEC 61008

Available in 2 and 4 pole from 25 to

63A in 30mA and 300mA sensitivities

Reduces unwanted tripping caused

by transient current and voltages

Ensures tripping in networks with

pulsated DC components in case of

fault

RCBOs

RCD add - on blocks

Offers 3 in 1 protection against earth

leakage, short circuit and over load

Rating: 6A to 40A in 2 pole with

30mA,100mA and 300mA sensitivity

Compact design 2 pole 2 mod

Conforms to IEC 61009

Also available in Hi version

Available in DP and FP versions in

25A, 40A and 63A ratings with

30mA, 100mA and 300mA sensitivity

Designed to fit on the right side of 2

and 4 pole MCBs

Combined unit provides protection

against Overload, Short-circuit and

Earth leakage

NB, NC and ND type MCBs upto 63A

can be used to suite various

applications / loads

Protection against nuisance tripping

Breaking capacity of combined unit

10kA conforming to IEC 60898-1 /

IEC 60947-2

Also available : Earth leakage relay

Miniature Circuit

Breakers (MCBs)

Accessories for MCBs

and RCCBs

Protects against overload and short

circuits in domestic, commercialand industrial electrical distribution

systems

Conforms to latest standards IEC

60898, IEC 60947-II & IS 8828-1996

Widest range from 0.5 to 125A

ratings

Available in SP, DP, TP and FP

versions in B, C and D curve

Two position metal DIN rail clips

allows faster and easy installation

Suitable for DC applications single

poles upto 60V DC and double polesupto 125V DC with 10kA breaking

capacity

High breaking capacity of 10kA as

per IEC 60898 and 15kA as per IEC

60947- II

marked and conformity

Auxiliary contact (1NO+1NC)

Trip alarm contact

Shunt release

Under-voltage release

Over-voltage release

Locking kit

Flush-mounting kit

MODULARDEVICES

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Surge Protection

Devices

Protects equipment against transientvoltage surges

Available in Type 1, Type 2 and Type

2 fine versions

Type-1 SPDs are used for protection

against direct lightning surges and

are tested for lightning current wave

form of 10/350s

Type-2 SPDs are used to protect

against indirect lightning effects as

well as switching surges and are

tested for a current waveform of

8/20s

Replacement cartridges available for

type 2 devices

Conforms to IEC 61643-1 &

IEC 6163-11

Distribution Boards A comprehensive range of

insulated and metal distribution

board for Domestic, Commercial

and Industrial applications

Plug and socket DBs

TPN and SPN DBs

Vertical TPN DBs Phase changeover DBs

P & S units

One way enclosures

Phase segregated DBs

Insulated DBs are also available

as standard

Wide range of accessories for

additional safety and flexibility

Ready to use DBs: supplied with

insulated phase busbars, color

coded wire sets, N-Bar & E-Bar,

blanking plates, cable ties as

standard

Easy to wire: because of

removable door, shields, frame

and gland plates

Automation & Control

Devices Isolators, two-way/centre-off

changeover switches

Modular electro-mechanical and

digital time switches

Twilight switches

Modular bells and buzzers

Electronic thermostats

Dimmers and dimming systems

Analog voltmeters and ammeters

Presence and movement sensors

MODULARDEVICES

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Isolator Conforms to global standards like

IS 13947, EN/IEC 60947-3

Carries marking and

certification

Available in range of 40A and 63A

in DP, TP and FP versions

Suitable for AC 22 -A utilization

category

Finger proof terminals-IP20

degree of protection

Ergonomically designed, profiled

f o r s upe r i o r c oo l i ng and

manufactured with fire retardant

material

Miniature Circuit

Breakers Specially designed & developed for

residential & commercial installations Conforms to latest global standards

like to IS 8828, EN/IEC60898-1-2003

Carries and marking and

certification

Breaking capacity of 6kA throughout

the range

Available in C curve in SP, DP, TP & FP

versions from 6A to 63A ratings

Unique - True contact indication to

show actual status of contact

Low power loss - almost 50% of the

values prescribed by IEC

Terminals are suitable upto 35sq.mm

wire, with provision for dual termination

facility

No line-load bias

MODULARDEVICES

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Distribution Boards-

Tripbox Available in aesthetically superior

ivory colour to suit the interiors of

buildings and can be supplied in

d i f f e ren t c o l ou r f o r bu l k

requirements

Readily available in IP30 & IP43

degree of protection Distribution boards are suitable

for flush and surface mounting

Ready to use Dbs provided with

100A phase busbar, wire sets,

earth & neutral bars as standard

Provided with removable top and

bot tom g land p la tes wi th

adequate knock out for easy

wiring

For bottom entry, neutral bar can

be sh i f ted to bo t tom fo r

comfortable wiring

TPN DBs will have provision to

accommodate 6 MOD in-comer

Easy installation and flexibility in

usage

EarthLeakage+Miniat

ure Circuit Breaker

EL+MCB Provides 3 in 1 protection

against earth leakage, shortcircuit and overload, it also

avoids excessive metering

due to leakage

Conforms to global standards

like IS 12640, EN/IEC 61009-1

Carries marking

Available in DP & FP versions

in the range of 6 to 63A with

30mA or 100mA or 300mA

sensitivity

Truly current operated,

operate seven at nominal 1 volt

Featured with Neutral advance

mechanism

Operation even in case of

neutral failure

MODULARDEVICES

22

Busbar Trunking

System Current Rating: 100A to 6300A

System Voltage: 600V up to max. of

1000V Conductor material : High conductivity

Cu / AI

Ingress Protection of IP66/IP54/IP42

Configuration of 3P3W/3P4W/3P5W

with or without integral earth

Halogen free, fire retardant Class - H -

Epoxy insulation

High temperature withstand capability

of 55 degree over 50 degree celsius as

normal operating temperature, single

Bolt bridge joint system incorporates

5mm thermal expansion provision Tap - off units are provided for MCCBs

or SDFs or MCBs

Sandwich construction results in lower

mV drops, hence higher efficiency

distribution system

Available as feeder for power

transmission and plug-in for power

distribution

Standard lengths of 3m/2m/1m up to

0.45m

Excellent short circuit ratings (up to

100kA)

System primarily consists of compo-

nents such as Straight Length, End

Flange, End Feed Unit, Tap off Units,

Bends, Fixing clips, etc

BUBA

RUNG

S RTKIN

SYSTEM

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Electronic 4 step power saving

fan regulator improves life of fan

Go Green - Power saving SMD

LED is used in indicator has a life

of 80,000 burning hrs. = 9 years

Stylish rounded contours -minimizes dust collection on

surface, easy to clean

Slim design - only 8.5mm

protrusion from the wall

Ribless design - leaves only a

hairline gap between switches

Glossy surface finish reduces

dust deposition

mark on switches & sockets

Safety shutters over live contacts

in all power sockets and data

sockets

Fire retardant UL V0

polycarbonate body

Flash guard in all switches

Esyclean Design

Safe & secure

IRIN CE

WGA C

SSORIES

Intelli-i

Longer life

Grey insert identifies the switching

position during assembly

Smart indicator LEDs for Power

ON indication using red LED

LED night locator switch uses

blue LED for easy location of

switches in the dark

Always ON indicator uses red

LED in bell switch

3.5mm silver cadmium contactsfor longer life; our 10A switch has

survived 1.5 lakh switching cycles

at full load under test conditions

S w in g r o c ke r m e c ha n i sm

ensures no contact bounce

Phosphor bronze conductors

ensure better contact pressure,

lower heating and hence longer

life as compared to copper

conductors

RoHS complaint, Weld free, GI

wall boxes for better corrosion

resistance and longer life

Silver coated brass terminals

minimizes contact losses and

improves terminal life

23

Wires

Flat Cables

Flexible Wires

House Wires

Wires for industrial, commercial and

domestic applications

Voltage grade up to 1100V

Conforms to IS 694-1990 standards

Complete safety ensured

Insulation types available for all

wires are:- Flame Retardant (FR),Flame Retardant Low Smoke (FRLS),

Zero Halogen Flame Retardant

(ZHFR) and Heat Resistant (HR)

These cables are rigid and with-stand

all adverse conditions

Made of bright plain multi-stand

annealed copper conductors

Available in 100 meter coils and drums

of 500 and 1000 meters

Range 1.5 sq.mm to 35 sq.mm

Single and multi-core wires are

available

Suitable for industria l wir ing

applications

Available in standard length of 100

meters coil


Made of annealed copper conductor

Conforms to IS 8130-1984 standards

The insulation used is FR PVC

compound for additional safety

Twin coating for superior insulation


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Presence DetectorUsed for automatic lighting or

cool ing control based onoccupancy

Detection based on movement

as well as presence with two

lenses

Covers large area of detection

upto 13m x 7m depending on

installation height

Available in two versions 2

channel detector with ON / OFF

control

1 channel lighting regulation

Turn OFF delay adjustable up to

1 hour

Application: corridors, offices,

cabins, conference rooms,

class rooms

HG

LUTN

LIGTIN

SOIO

MF T

&COOR

Domotics SystemDOMOTICS is the latest trend in home

automation which is not just lighting

control but is the integration ofComfort,Safety, & security Communication &

Energy Management for your home.

You can control all the functions of the

home us ing a wide range of

aesthetically designed Touch Windows,

Touch Panels and Touch Screens .

You can also control the applications

using a remote control, portable touch

screen, windows enabled mobile

phone,i Phone, iPAD, standard PC, the

Internet (LAN/WAN/WiFi applications),

& so on. A house equipped with a

domotics system and a minimal

integration of lighting, power, heating or

cooling control, saves energy cost from

10-15% .

T

RoHS

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25

ATMOS

DDC controller with graphical

display and easy navigation

Program backup on SD Card

(upto 1GB)Freely programmable controllers

Self detecting control bus with upto

999 controllers in a single network

Self powered by DIN rail using

T-Bus connectors

All modules are plug in and plug out

types

Supports various third party

protocols

Scalable and future proof

With Atmos, 200 Input/Output

points can be connected to a single

DDC controller

Atmos DDCs have ready availability

of in-built multi-communication

ports

PERITO Sophisticated range of Cameras

like Perito's Vandal Dome,Explosion Proof Camera, IR,

Weatherproof high speed, PTZ

camera & the Integrated PTZ

Control Camera with multiprotocol

capabilities

Perito provides with the widest

choice of DVRs, ranging from

Basic Series, Real-time hybrid

DVR, Net DVR (H.264 DVR)

Intelligent Video Analysis

CCTV high resolution LCD

monitors are available in 7, 17 &

19,Perito offers widest choice of

transmission methods like

standard analogue over coaxial

and up-the-coax

SECURITY&

SURVELLANE

I

C

SYTEMS

BUIDING

L

MANAGEMETN

STM

SYE

Fire Detection &Alarm System 100 % Hot redundancy

Two Panels in single cabinet,

always operational

250 addressable devices per

loop, upto 4000 devices per

panel

3.5 Km loop length

Short circuit isolator in every

Device

TCP/IP networked - on board

Factory fitted Vds approved

batteries - 72 hrs back up

Multi sensor detector for all

applications

DT CTN

FIRE EE

IO

&

ARMS

LASYTEM


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Energy EfficiencySolutions

Our energy efficiency

service includes

Comprehensive Energy Audits for

industries, designated consumers,

large IT/ITES/BT campuses, Star

Hotels, Hospitals and Universities.

Identifying the energy saving

measures and solutions

Harmonic study and its mitigation

Supporting the implementation

of energy saving solution

Offer best in class products from

L&T

Review after implementation

26

NR

E EGY

FFICIECY

E

N

SO

IOS

LUTN

wNe

Air Insulated Switchgear(Medium Voltage)

Unique Features

Available for voltage of 12kV, 24kV & 36kV

Current rating from 630A to 3150A for 11kV,

630A to 2000A for 24kV and 1250A & 2000A

for 36kV

Breaking capacities of 25kA & 40kA

Compliance with IEC 62271-100 and

62271-200

Metal clad, fully compartmentalized

Horizontal isolation, horizontal draw-out &

floor mounted VCBEarthing switch with full making capacity

Interlocks for safety

Readily extendable

Cubicles are designed to meet temperature

rise limits without forced cooling upto 3150A

Classification AFLR with Fully type tested at

renowned laboratories

Inbuilt anti-pumping feature

Withdrawal operation of PT which is top

mounted & independent of VCB position

(For 12kV, 25kA)

Naturally cooled till 3150A

Internal arc classification AFLR with 40kA for

1 second

Compact yet safe

ED

LTE

M IUMVOAG

R D

P OUCT

RINT D

AI SULAE

SW

EITCHGAR

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REGISTERED OFFICE ANDHEAD OFFICEL&T House, Ballard EstateP. O. Box 278Mumbai 400 001Tel: 022-67525656

Fax: 022-67525858Website: www.Larsentoubro.com

ELECTRICAL STANDARD PRODUCTS (ESP)501, Sakar Complex IOpp. Gandhigram Rly. Station

Ashram RoadAhmedabad 380 009Tel: 079-66304006-11Fax: 079-66304025e-mail: [email protected]

38, Cubbon Road, P. O. Box 5098Bangalore 560 001Tel: 080-25020100/25020324Fax: 080-25580525e-mail: [email protected]

131/1, Zone IIMaharana Pratap NagarBhopal 462 011Tel: 0755-4098721/7/ 8 / 9Fax: 0755-2769264e-mail: [email protected]

Plot No. 559, Annapurna ComplexLewis RoadBhubaneswar 751 014Tel: 0674-6451342, 2436696Fax: 0674-2537309e-mail: [email protected]

SCO 32, Sector 26-DMadhya Marg, P. O. Box 14Chandigarh 160 026Tel: 0172-4646840, 4646853Fax: 0172-4646802e-mail: [email protected]

10, Club House Road,AnnasalaiChennai 600 002Tel: 044-28462072 / 4 / 5 / 2109Fax: 044-28462102 / 3e-mail: [email protected]

67, Appuswamy RoadPost Bag 7156Opp. Nirmala CollegeCoimbatore 641 045Tel: 0422-2588120 / 1 / 5Fax: 0422-2588148e-mail: [email protected]

Product improvement is a continuous process. For the latest information and special applications, please contact any of our offices listed here.

Electrical Standard Products (ESP) Branch Offices:

L&T House, Group MIG-5PadmanabhpurDurg 491 001Tel: 0788-2213833 / 14 / 21 / 29Fax: 0788-2213820e-mail: [email protected]

Khairasol, Degaul AvenueDurgapur 713 212Tel: 2559848, 2559849, 2559844Fax: 0343-2553614e-mail: [email protected]

Milanpur Road, Bamuni MaidanGuwahati 781 021Tel: 0361-2550562 / 65Fax: 0361-2551308e-mail: [email protected]

II Floor, Vasantha Chambers5-10-173, Fateh Maidan RoadHyderabad 500004Tel: 040-66720250

Fax: 040-23296468e-mail: [email protected]

D-24, Prithvi Raj Road, C-SchemeJaipur 302 001Tel: 0141-2385915 / 16 / 17 / 18Fax: 0141-2373280e-mail: [email protected]

Akashdeep Plaza, 2nd FloorP. O. GolmuriJamshedpur 831 003JharkhandTel: 0657-2312205 / 38Fax: 0657-2341250e-mail: [email protected]

Skybright Bldg; M. G. RoadRavipuram Junction, ErnakulamKochi 682 016Tel: 0484-4409420 / 4 / 5 / 7Fax: 0484-4409426e-mail: [email protected]

3-B, Shakespeare SaraniKolkata 700 071Tel: 033-44002572 / 3 / 4Fax: 033-22821025/7587e-mail: [email protected]

A28, Indira Nagar, Faizabad RoadLucknow 226 016Tel: 0522-2312904 / 5 / 6Fax: 0522-2311671e-mail: [email protected]

No: 73, Karpaga Nagar, 8th StreetK. PudurMadurai 625007Tel: 0452-2537404, 2521068Fax: 0452-2537552e-mail: [email protected]

EBG North Wing Office-Level 2Gate 7, Powai CampusMumbai 400 072Tel: 022-67052874 / 2737 / 1156Fax: 022-67051112e-mail: [email protected]

12, Shivaji NagarNorth Ambazari RoadNagpur 440 010Tel: 0712-2260012/3Fax: 0712-2260020/30e-mail: [email protected]

32, Shivaji MargP. O. Box 6223

New Delhi 110 015Tel: 011-41419514 / 5 / 6Fax: 011-41419600e-mail: [email protected]

L&T HouseP. O. Box 119191/1, Dhole Patil RoadPune 411 001Tel: 020-26135048/26164048Fax: 020-26124910, 26135048e-mail: [email protected]

3rd FloorVishwakarma ChambersMajura Gate, Ring RoadSurat 395 002Tel: 0261-2473726Fax: 0261-2477078e-mail: [email protected]

Radhadaya ComplexOld Padra RoadNear Charotar SocietyVadodara 390 075Tel: 0265-6613610 / 1 / 2Fax: 0265-2336184e-mail: [email protected]

48-8-16, DwarakanagarVisakhapatnam 530 016Tel: 0891-6620411-2 / 3Fax: 0891-6620416e-mail: [email protected]

Electrical Standard Products

Larsen & Toubro Limited

Powai Campus, Mumbai 400 072

Customer Interaction Center (CIC)

BSNL / MTNL (toll free) : 1800 233 5858

Reliance (toll free) : 1800 200 5858Tel : 022 6774 5858

Fa 022 6774 5859

Documents

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