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    Experience,

    innovationand reliability

    Contactor-basedautomatic transfer switches

    Open transition

    Closed transition

    Delayed transition

    Bypass isolation 401200A

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    A history of experience,innovation and reliability

    As a premier industrialmanufacturer, Eatons electricalbusiness is one of the worldsleading suppliers of electricalcontrol products and powerdistribution equipment withyearly sales of over $2.5 billion.Eatons electrical productsinclude a complete line oflow and medium voltageassemblies from substations,

    switchgear and panelboardsto loadcenters, transformersand safety switches. Theseproducts are used whereverthere is a demand for electricalpower in residences, high-riseapartment and office buildings,commercial sites, hospitalsand factories.

    Built with experience

    For over a century, Eaton hasfocused on providing qualitypower-centric products andservices. In todays businessenvironment, customers like youare driving our transformationfrom a leading global electricalcomponents provider into acustomer-centric solutionspartner who understands yourbusiness. We do this throughin-depth collaboration with

    customers and subject matterexperts studying the issuesinherent to the electrical powerdistribution and control systems.

    Eaton is one of the pioneeringelectrical manufacturers andhas been focused on providingreliable backup power systemswith transfer switch equipmentfor over 75 years.

    Powered with innovation

    Eaton continues to meetchanging industry needs byproviding a broad range ofautomatic transfer switches.These switches may be groupedinto a basic, enhanced orpremium set of features thatwill meet your applicationrequirements. Eaton has usedindustry-leading breaker-baseddesigns for years and now hasa line of contactor-based designs.

    These designs can be matchedto a family of automatic transferswitch controllers that will meetyour specific needs. Identifyyour application, define yourneeds, and select the solutionfrom Eaton.

    Delivered with reliability

    Power outages due to badweather or utility failure havegrown increasingly costly andmore disruptive to businessesand homeowners. A backuppower system will keep yourcomputers, security system,heating or refrigeration systemcash registers, home health cequipment, or any system thauses electric power energizedand operational. The demands

    for reliability have increased.Eaton meets those expectatioby the stringent UL 1008automatic transfer switcheswith a world-class productdelivery system.

    Eaton will provide the individutransfer switch built to exactinstandards or supply the sametransfer switch in an integratelineup with other Eaton gear.For startup service, applicationsupport and emergency suppocall Eaton Electrical Services &Systems at 1-800-498-2678.

    Built with years of experiencePowered with innovation

    Delivered with reliability

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    Transfer Switch Standards

    UL 991 UL standards for safety tests for safety-relatedcontrols employing solid-state devices

    UL 1008 Dielectric test

    NEMAICS 109.21 Impulse withstand test

    IEEE472 (ANSI C37.90A) Ringing wave immunity/voltage surge test

    EN55022 (CISPR11): Conducted and radiated emissions

    EN61000-4-2 Class B Level 4 ESD immunity test

    EN61000-4-3 (ENV50140) Radiated RF,

    electromagnetic field immunity testEN61000-4-4 Electrical fast transient/burst immunity test

    EN61000-4-5 IEEE C62.41: Surge immunity test

    EN61000-4-6 (ENV50141) Conducted immunity test

    EN61000-4-11 Voltage dips and interruption immunity

    FCC Part 15 Conducted/radiated emissions (Class A)

    CISPR 11 Conducted/radiated emissions (Class A)

    IEC 1000-2 Electrostatic discharge test

    IEC 1000-3 Radiated susceptibility tests

    IEC 1000-4 Fast transient tests

    IEC 1000-5 Surge withstand tests

    CSAconformance C22.2 No. 178-1978 (reaffirmed 1992)

    UL 869A Reference standard for service equipment

    UL 50/508 EnclosuresNEMA ICS 1 General standards for industrial control systems

    NEMA ICS 2 Standards for industrial control devices,controllers and assemblies

    NEMA ICS 6 Enclosures for industrial controls and systems

    NEMA ICS 10-1993 AC automatic transfer swi tches

    ANSI C33.76 Enclosures

    NEC517, 700, 701 and 702 National Electrical Code

    NFPA70 National Electrical Code

    NFPA 99 Health care facilities

    NFPA 101 Life Safety Code

    NFPA 110 Emergency and standby power systems

    EGSA 100S Standard for transfer switches

    CSA C22.2 No. 178-1978 Canadian Standards Association

    Solutions overview

    Eatons automatic transferswitches are designed toprovide you with a full offeringof transfer switches to solveyour industry and applicationneeds. Eaton offers theindustrys most complete lineof contactor-based, breaker-based, and Magnum-basedtransfer switches.

    This wide range of selectionsenables you to identify yourapplication needs and thebenefits you expect to realize,and then choose the solutionbest for you. The cornerstoneof these offerings is theproven design experienceand reliability built into allEaton transfer switches.

    Basic solution

    The basic solution offers atransfer switch that meets themost basic and cost-effectiverequirements for an automatic,manual or non-automatictransfer switch.

    This solution set allows you tochoose from either a contactor-based or a breaker-based designand match that power-switchingdevice with our basic transferswitch controller.

    Enhanced solution

    The enhanced solution meets allof the basic automatic transferswitch needs. In addition tomeeting the most basic transferswitch requirement, theenhanced solution allows foroptimal control and improvedflexibility. This solution setallows you to choose from

    either a contactor-based ora breaker-based design.

    Premium solution

    The premium solution is offeredfor those applications requiringcontinuity of power during thetransfer and routine test.This solution set offers bothcontactor-based and breaker-based designs with drawoutcapability.

    Switch types available

    Open transition

    Closed transition

    Delayed transition

    Bypass isolation

    Contactor-based transfer switchesSwitch typeoverview and standards

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    Identify your application Define your needs Determine your right solution Select Eaton

    ATS Solution Guide: Highlighting Contactor-Based Designs

    Eaton Solution Customer Benefits Key Features Agriculture

    Premium solution

    Continuity of powerduring retransfer

    Critical load transferapplications

    Maximum controland ultimate flexibility

    Maximum investment

    Greater reliability to avoid lost revenue and production timeContinuity of power through synchronization of sourcesLower energy costs realized through managing demand chargesNo power interruption during switch inspection or testing

    Soft load ramping30 cycle, 85 kA short-time ratingsIntegral overcurrent protection availableDrawout design

    Greater reliability to avoid lost revenue and production timeSafe preventative maintenance without power interruptionNo power interruption during switch inspection or testing

    30 cycle, 85 kA short-time ratingsIntegral overcurrent protection availableIntegrated service entrance solutionInterchangeable bypass and switch devicesDrawout design

    Greater reliability to avoid lost revenue and production timeSafe preventative maintenance without power interruptionNo power interruption during switch inspection or testing

    Interchangeable bypass and switch devicesDrawout design standardFront access standardDual ATS

    Greater reliability to avoid lost revenue and production timeLower energy costs realized from managing demand chargesNo power interruption during generator set testing

    30 cycle, 85 kA short-time ratingsIntegral overcurrent protection availableIntegrated service entrance solutionDrawout design available

    Greater reliability to avoid lost revenue and production timeLower energy costs realized from managing demand charges

    No power interruption during generator set testing

    Paralleled in less than 100 msProgrammable field settings

    Communication capability

    Enhanced solution

    Momentary lossof power acceptableduring retransfer

    Optimal controland improved flexibility

    Moderate investment

    Ability to transfer large motor or inductive loadsAllows loads to re-energize after transfer at normal inrush currentsAvoid higher starting currents, which increase energy costs

    30 cycle, 85 kA short-time ratings on power circuit breakerIntegral overcurrent protection availableIntegrated service entrance solution

    Ability to transfer large motor or inductive loadsAllows loads to re-energize after transfer at normal inrush currentsAvoid higher starting currents, which increase energy costs

    Multi-tap transformer voltage selection availableEasily adjustable time delays for the neutral position

    Ability to transfer large motor or inductive loadsAllows loads to re-energize after transfer at normal inrush currentsAvoid higher starting currents, which increase energy costs

    30 cycle, 85 kA short-time ratings on power circuit breakerIntegral overcurrent protection availableIntegrated service entrance solutionDrawout design available

    Simplest of transfer switching solutionSafe manual transfer under load

    Equal withstand, interrupting and closing ratingsIntegral overcurrent protection availableIntegrated service entrance solution

    Open transitionBreaker-based(1001000A)

    Basic solution

    Momentary loss

    of power acceptableduring retransfer

    Least critical loadtransfer applications

    Basic control and flexibilityMinimum investment

    Most simple operationMost cost-effectiveApplication flexibility

    Most compact offeringMulti-tap transformer voltage selection available

    Open transitionContactor-base(100600A)

    Permits safe and convenient non-auto transfer under load 30 cycle, 85 kA short-time ratings on power circuit breakerIntegral overcurrent protection availableDrawout design available

    Permits safe and convenient manual transfer under loadMost cost-effective manual transfer

    Equal withstand, interrupting and closing ratingsIntegral overcurrent protection availableDeadfront design

    Special solution Continuity of power for UPS applications Required UPS bypass signal prevents unauthorized bypassHigh interrupting ratingsReliable, manually initiated electrical operation

    Emphasis in yellow bars.

    Make the right decision:

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    mercial Industrial Utilities Institutions Government Communications Data Center

    Soft loadMagnum-based(6005000A)

    Soft loadMagnum-based(6005000A)

    Soft loadMagnum-based(6005000A)

    Soft loadMagnum-based(6005000A)

    Soft loadMagnum-based(6005000A)

    transitions isolationum-based5000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    Closed transitionBypass isolationMagnum-based(2005000A)

    transitions isolationctor-based200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    Closed transitionBypass isolationContactor-based(1001200A)

    transitionum-based5000A)

    Closed transitionMagnum-based(2005000A)

    Closed transitionMagnum-based(2005000A)

    Closed transitionMagnum-based(2005000A)

    Closed transitionMagnum-based(2005000A)

    Closed transitionMagnum-based(2005000A)

    Closed transitionMagnum-based(2005000A)

    transitionctor-based

    200A)

    Closed transitionContactor-based

    (401200A)

    Closed transitionContactor-based

    (401200A)

    Closed transitionContactor-based

    (401200A)

    Closed transitionContactor-based

    (401200A)

    Closed transitionContactor-based

    (401200A)

    Closed transitionContactor-based

    (401200A)ed transitioner-based000A)

    Delayed transitionBreaker-based(305000A)

    Delayed transitionBreaker-based(305000A)

    Delayed transitionBreaker-based(305000A)

    Delayed transitionBreaker-based(305000A)

    ed transitionctor-based200A)

    Delayed transitionContactor-based(401200A)

    Delayed transitionContactor-based(401200A)

    Delayed transitionContactor-based(401200A)

    Delayed transitionContactor-based(401200A)

    ransitionum-based5000A)

    Open transitionMagnum-based(2005000A)

    Open transitionMagnum-based(2005000A)

    Open transitionMagnum-based(2005000A)

    Open transitionMagnum-based(2005000A)

    ransitioner-based000A)

    Open transitionBreaker-based(301000A)

    Open transitionBreaker-based(301000A)

    Open transitionBreaker-based(301000A)

    Open transitionBreaker-based(301000A)

    ransitionctor-based200A)

    Open transitionContactor-based(401200A)

    Open transitionContactor-based(401200A)

    Open transitionContactor-based(401200A)

    Open transitionContactor-based(401200A)

    utoum-based5000A)

    Non-autoMagnum-based(2005000A)

    al or non-autoer-based000A)

    Manual or non-autoBreaker-based(301000A)

    enance bypasser-based000A)

    Maintenance bypassBreaker-based(1001000A)

    Maintenance bypassBreaker-based(1001000A)

    Maintenance bypassBreaker-based(1001000A)

    Maintenance bypassBreaker-based(1001000A)

    Maintenance bypassBreaker-based(1001000A)

    Maintenance bypassBreaker-based(1001000A)

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    UL 1008 Withstand and Close-on Ratings (kA)

    UL 1008 Ampere Rating

    480V 600V

    Any

    Breaker

    Specific

    Breaker

    Any

    Breaker

    Specific

    Breaker

    100 10,000 30,000 10,000 22,000

    200 10,000 30,000 10,000 22,000

    260 35,000 50,000 35,000 42,000

    320 35,000 50,000 35,000 42,000

    400 35,000 50,000 35,000 42,000

    600 50,000 65,000 50,000 65,000

    800 50,000 65,000 50,000 65,000

    1000 50,000 65,000 50,000 65,000

    1200 50,000 65,000 50,000 65,000

    Product description

    The automatic open transitioncontactor-based transfer switchis the most basic design thatwill provide a fully functioningautomatic transfer switch.An automatic open transitiontransfer switch may be usedfor those applications whereemergency backup power isrequired but a momentary lossof power is acceptable on theretransfer from emergency

    to normal.

    Electrical ratings

    401200A

    Up to 600V

    Two-, three- or four-pole

    NEMA 1, 3R

    100% rated

    Commercial design highlights

    UL 1008 front access

    High withstand andclosing ratings

    Compact design

    FeaturesStandard features

    Voltage and frequencysensing

    Multiple field-programmableor settable time delays

    Switch position indication

    Source availability indication

    Source 1 and 2auxiliary contacts

    Mimic diagram Programmable plant exercis

    System test pushbutton

    Optional features

    Surge suppression options

    Spacer heater

    Metering options

    Stainless steel coverfor controller

    Dimensions in Inches (mm)

    Ampere Rating Height Width Depth Weight in lbs (k

    40100 38.68 (982.4) 18.31 (465.1) 13.34 (339.0) 156 (71)150200 38.68 (982.4) 18.31 (465.1) 13.34 (339.0) 164 (74)

    225400 48.74 (1238.0) 25.25 (641.4) 13.84 (339.0) 260 (118)

    6001200 79.35 (2015.5) 25.25 (641.4) 22.46 (570.5) 600 (272)

    Subtract 20 lbs. for two-pole and add 50 lbs. for four-pole.

    Contactor-based transfer switchesSwitch typeopen transition

    Contactor-Based ATS with ATC-300 Controller

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    UL 1008 Withstand and Close-on Ratings (kA)

    UL 1008 Ampere Rating

    480V 600V

    Any

    Breaker

    Specific

    Breaker

    Any

    Breaker

    Specific

    Breaker

    100 10,000 30,000 10,000 22,000

    200 10,000 30,000 10,000 22,000

    260 35,000 50,000 35,000 42,000

    320 35,000 50,000 35,000 42,000

    400 35,000 50,000 35,000 42,000

    600 50,000 65,000 50,000 65,000

    800 50,000 65,000 50,000 65,000

    1000 50,000 65,000 50,000 65,000

    1200 50,000 65,000 50,000 65,000

    Product description

    The automatic closed transitioncontactor-based transfer switchis the most basic design thatwill connect both sourcesbefore the transfer occurs.An automatic closed transitiontransfer switch may be usedfor those applications in whichemergency backup power isrequired but a momentary lossof power is not acceptable onthe retransfer from emergency

    to normal. Closed transitionpermits periodic testing of theemergency source withoutinterrupting power to the loads.

    Electrical ratings

    401200A

    Up to 600V

    Two-, three- or four-pole

    NEMA 1, 3R, 12

    100% rated

    Commercial design highlights

    UL 1008 three-positioncontactors

    High withstand andclosing ratings

    Compact design

    FeaturesStandard features

    Voltage and frequencysensing

    Multiple field programmabletime delays

    Switch position indication

    Source availability indication

    Source 1 and 2auxiliary contacts

    Mimic diagram Programmable plant exercise

    System test pushbutton

    Load shed from emergency

    Optional features

    Two- or four-positiontest switch

    Multi-meter options available

    Selectable automatic ornon-automatic operation

    Space heaters

    Surge suppression Remote communications

    Dimensions in Inches (mm)

    Ampere Rating Height Width Depth Weight in lbs (kg)

    40100 38.68 (982.4) 18.31 (465.1) 13.34 (339.0) 156 (71)

    150200 38.68 (982.4) 18.31 (465.1) 13.34 (339.0) 164 (74)

    225400 48.74 (1238.0) 25.25 (641.4) 13.84 (339.0) 260 (118)

    6001200 79.35 (2015.5) 25.25 (641.4) 22.46 (570.5) 600 (272)

    Subtract 20 lbs. for two-pole and add 50 lbs. for four-pole.

    Contactor-based transfer switchesSwitch typeclosed transition

    Closed Transition ATS with ATC-800 Controller

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    Product description

    A bypass isolation transferswitch may be used to provideemergency power to life safetyand other critical loads wheremaintenance of the maintransfer switch, withoutinterruption of power to the load,is either desirable or required.

    Electrical ratings

    1001200A Up to 600V

    Two-, three- or four-pole

    NEMA 1 and 3R enclosures

    100% rated

    Commercial design highlights

    UL 1008

    Easy access

    Top/bottom entry

    Isolated entry exit area

    Improved safety

    Compartment barriers

    Single-motion rackwith door closed

    Extended battery backup

    Dual drawout ATS

    Installation flexibility

    Field entry/exit modificatiofor top/bottom/both

    Interchangeable contacto

    Features

    Reliable microprocessor logic

    Designed to safely withstanfault currents

    Eliminates need for comple

    interlocks

    Drawout cassette design

    No service interruption whebypassing to the same sour

    Drawout capabilities on botATS and bypass portions

    Ability to test powerswitching elements duringdrawout process

    Power switching devicescompletely interchangeablebetween ATS andbypass portions

    Capability to have adual ATScontroller willwork with the ATS andbypass contactor

    Open or closed transition

    UL 1008 Withstand and Close-on Ratings (kA)

    UL 1008 Ampere Rating

    480V 600V

    AnyBreaker

    SpecificBreaker

    AnyBreaker

    SpecificBreaker

    100 10,000 30,000 10,000 22,000

    200 10,000 30,000 10,000 22,000

    260 35,000 50,000 35,000 42,000

    320 35,000 50,000 35,000 42,000

    400 35,000 50,000 35,000 42,000

    600 50,000 65,000

    800 50,000 65,000

    1000 50,000 65,000

    1200 50,000 65,000

    Consult Factory

    Dimensions in Inches (mm)

    Ampere Rating Height Width Depth Weight in lbs (k

    40200 90.00 (2286.0) 46.00 (1168.4) 32.00 (813.0) 1800 (817)

    300400 90.00 (2286.0) 46.00 (1168.4) 32.00 (813.0) 1800 (817)

    500600 90.00 (2286.0) 46.00 (1168.4) 32.00 (813.0) 1800 (817)

    6001200 90.00 (2286.0) 46.00 (1168.4) 32.00 (813.0) 1850 (840)

    Bypass Isolation Switch with ATC-300 Controller

    Contactor-based transfer switches

    Switch typebypass isolation

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    Product description

    The automatic transfer switchcontroller is a key component

    within the automatic transferswitch. It provides theintelligence to sense theproper conditions to initiate atransfer and a retransfer of thecontactor. Eatons automatictransfer switches come with thedesign flexibility of being appliedwith one of three controllers.All three controllers providethe basic functions needed toperform an automatic transfer.

    ATC-100 controller

    General description

    The ATC-100 controller was

    designed as a multi-functionmicroprocessor open transitioncontroller with simplifiedcustomer settings. The frontpanel interface displays sourceavailability and connection statusas well as convenient enginestart and test buttons. Controllerparameters are set via jumperson the printed circuit board.

    Design highlights

    Mimic diagram with sourceavailable and connectedLED indications

    Field selectable fixedtime delays

    Permits system testing via afront screen test pushbutton

    Complies withUL 1008 / CSA 22.2-178

    Generator test selectableOFF, 7, 14, 28-day interval

    ATC-300 controller

    General description

    From installation to programmingto usage, the ATC-300 opentransition controller wasdesigned with operationalsimplicity in mind. The user-friendly front panel interfacesimplifies routine operation,programming, data presentationand setting adjustments. AnLCD-based display provides theflexibility of a back-lit display

    for enhanced visibility.

    Design highlights

    LCD-based display forprogramming, systemdiagnostic and helpmessage display

    Mimic diagram with sourceavailable and connectedLED indications

    Stores customer/factoryestablished parameters innonvolatile memory

    Field-programmabletime delays

    Displays real-time andhistorical information witha time-stamped history log

    Permits system testing via afront screen test pushbutton

    Programmable plantexerciserOFF, daily, 7, 14,28-day interval programmablerun times

    Complies withUL 1008 / CSA 22.2-178

    ATC-800 Controller

    General Description

    The ATC-800 closed transitioncontroller was designed withoperational simplicity in mind.The user-friendly front panelinterface simplifies routineoperation, programming,data presentation and settingadjustments. An LCD-baseddisplay provides the flexibilityof a back-lit display for

    enhanced visibility.

    Design Highlights

    LCD-based display forprogramming, systemdiagnostic and helpmessage display

    Mimic diagram with sourceavailable and connectedLED indications

    Stores customer/factoryestablished parametersin nonvolatile memory

    Field-programmable

    time delays Displays real-time and

    historical information witha time-stamped history log

    Permits system testing via afront screen test pushbutton

    Programmable plantexerciserOFF, daily, 7, 14,28-day interval selectablerun times

    Communicate via Modbuscommunication protocol

    Complies withUL 1008 / CSA 22.2-178

    Load monitoring, delayed,in-phase and closed transition

    Contactor-Based Design ATS Showing Optional Controllers Available

    Contactor-based transfer switches

    Controller features

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    Automatic Transfer Switch Controllers

    Description ATC-100 ATC-300 ATC-800

    System Application Voltage 120/240V, 208V single-phase Up to 600 Vac Up to 600 VacVoltage Specifications

    Voltage measurements of: Source 1 and 2 Source 1 and 2VAB, VBC and VCA Source 1, 2 and LoadVAB, VBC and VC

    Voltage measurement range 120480 Vac 0790 Vac rms 0700 Vac rms

    Operating Power 95145 Vac 65145 Vac 65145 Vac

    Frequency Specifications

    Frequency measurements of: Source 2 Source 1 and 2 Source 1 and 2

    Frequency measurement range 5060 Hz 4070 Hz 4080 Hz

    Environmental Specifications

    Operating temperature range 20 to 70C 20 to 70C 20 to 70C

    Storage temperature range 30 to 85C 30 to 85C 30 to 85C

    Operating Humidity (Non-Condensing) 0 to 95% relative humidity (non-condensing) 0 to 95% relative humidity (non-condensing) 0 to 90% relative humidity (non-condensi

    Operating Environment Resistant to ammonia, methane, nitrogen,hydrogen and hydrocarbons

    Resistant to ammonia, methane, nitrogen,hydrogen and hydrocarbons

    Resistant to ammonia, methane, nitrogenhydrogen and hydrocarbons

    Front Panel Indication

    Mimic diagram with LED indication Unit status. Source 1 and 2available andconnected (5 total)

    Unit status. Source 1 and 2available andconnected (5 total)

    Automatic, test and program mode.Source 1 and 2available, connectedand preferred. Load energized (10 total)

    Main display N/A LCD-based display LED display

    Display language N/A English, French English

    Communications Capable N/A N/A PONI/INCOM

    Enclosure Compatibility NEMA 1 and 3R NEMA 1, 12 and 3R, UV resistant faceplate NEMA 1, 12, 3R and 4X UV resistantfaceplate

    Programming Selections

    Time delay normal to emergency Selectable 2 or 15 seconds 01800 seconds 01800 seconds

    Time delay emergency to normal 5 minutesfixed 01800 seconds 01800 seconds

    Time delay engine cooldown 1 minutefixed 01800 seconds 01800 seconds

    Time delay engine start 3 secondsfixed 0120 seconds 0120 seconds

    Time delay neutral N/A 0120 seconds 0120 seconds or based on load voltagedecay of 2%30% of nominal

    Time delay Source 2 fail N/A 06 seconds 06 seconds

    Time delay voltage unbalance N/A 1030 seconds N/A

    Voltage unbalance three-phase N/A 0 or 1 (1 = enabled)

    Percent of unbalanced voltage dropout N/A 5%20% (DO) dropout -2% to 3% (PU) N/A

    Phase reversal three-phase N/A OFF, ABC, CBA N/A

    In-phase N/A 0 or 1 (1 = Enabled) N/A

    Load sequencing N/A N/A Up to 10 devices (via sub-network)

    Pre-transfer signal N/A 1120 seconds (Form C contact) 0120 seconds up to 10 devices(via sub-network)

    Plant exerciser Selectable day, OFF, 7, 14, 28-day interval,15 minutes run time, no load

    SelectableOFF, daily or 7, 14, 28-dayintervals, 0600 minutes, load or no load

    Selectabledisabled or 7 day interval,0600 minutes, load or no load

    Preferred source selection N/A N/A Source 1 or 2 or none

    Commitment to transfer in TDNE N/A N/A Enabled or disabled

    Re-transfer mode N/A N/A Automatic or manual

    Auto daylight saving time adjustment N/A 0 or 1 (1 = Enabled)

    System selection Utility/generator or dual utility Utility/generator or dual utility Utility/generator or dual utility ordual generator

    Closed transition frequency difference N/A N/A 0.03.0 Hz

    Closed transition voltage difference N/A N/A 15%

    ote:N Features are order-specific. Not all features are supplied as standard.

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    AT C 3 C2 X 3 0400 X S U

    Type

    AT= AutomaticBI = Bypass

    isolation

    open

    transition

    CB= Bypassisolation

    closed

    transitionCT= Closed

    transition

    DT= Delayedtransition

    Logic

    1 = ATC-1003 = ATC-3008 = ATC-800

    Switch

    E = DrawoutX = Fix mount

    Number of Poles

    2 = Two-pole3 = Three-pole4 = Four-pole

    Orientation

    C= Contactor

    Mechanism

    C1 = Closedtransition

    C2= Two-position

    C3= Three-position

    Amperes

    0040 = 40A0080 = 80A0100 = 100A0150 = 150A0200 = 200A0225 = 225A0260 = 260A

    0400 = 400A0600 = 600A0800 = 800A1000 = 1000A1200 = 1200A

    Voltage

    A = 120V, 60 HzB = 208V, 60 HzE = 600V, 60 HzG = 220V, 50 HzH = 380V, 50 HzK = 600V, 50 HzM= 230V, 50 Hz

    N= 401V, 50 HzO = 415V, 50 HzW= 240V, 60 HzX = 480V, 60 HzZ = 365V, 50 Hz

    Enclosure

    K = OpenS =NEMA 1J= NEMA 12R= NEMA 3R

    Certification

    U= UL listedR= UL recognized

    NeutralConnection

    NormalPower Source Logic Panel

    EmergencyPower Source

    TransferMechanism

    Load Lugs Space Heater

    Automatic Transfer Controller(ATC-100)

    Monitors power sources

    Initiates transfer adjustablesettings for time delaysvia jumpers

    Optional ATC-300 controller

    Space heater (optional)

    Transfer mechanismtwo-position mechanism,motor operated

    Typical Contactor-Based Design Components

    Contactor-based transfer switches

    Ordering information and basic componentsContactor-Based Automatic Transfer Switch Catalog Numbering System

    18 EATON CORPORATIONContactor-based automatic transfer switches

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    Integrated Solutions

    Minimize initial equipmentcosts, reduce installation time,and increase system reliability.These are goals of all involvedin placing electrical distributionequipment in servicefrom thedesign engineer to the electricalcontractor, and especially theend user of the equipment.

    Eaton believes that the transferswitch equipment is an

    integral part of the distributionequipment. This fundamentalbelief is why Eaton offers varioustypes of transfer switches forthe design engineer, electricalcontractor and the user tochoose from. Eaton offerscontactor-based, molded-caseand circuit breaker style switches.

    All Eaton transfer switchesare designed to meet therequirements set forth byUL 1008; however, all transferswitches are not created equal.You can be assured of safeand reliable operation from

    all types of transfer switchesthat Eaton offers.

    Satellite Facility Locations

    Contactor-based transfer switches

    Integrated solutions

    Automatic Transfer Switch Integrated into a Switchboard Lineup

    EATON CORPORATIONContactor-based automatic transfer switches

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    Eatons Electrical Sector isa global leader in powerdistribution, power quality,control and automation, andmonitoring products. Whencombined with Eatons full-scaleengineering services, theseproducts provide customer-driven PowerChainsolutionsto serve the power systemneeds of the data center,industrial, institutional, publicsector, utility, commercial,

    residential, IT, mission critical,alternative energy and OEMmarkets worldwide.

    PowerChain solutions helpenterprises achieve sustainableand competitive advantagesthrough proactive managementof the power system as astrategic, integrated assetthroughout its life cycle,resulting in enhanced safety,greater reliability and energyefficiency. For more information,visit www.eaton.com/electrical.

    Eaton CorporationElectrical Sector1111 Superior Ave.Cleveland, OH 44114United States877-ETN-CARE (877-386-2273)Eaton.com

    2010 Eaton CorporationAll Rights ReservedPrinted in USAPublication No. BR01602001E / Z10438

    PowerChain Management is a registeredtrademark of Eaton Corporation.

    All other trademarks are property of their