PENTAIR HOFFMAN ® 1

INTRODUCTION

Purpose

• Understand electrical enclosure applications

Objectives

• Learn where electrical enclosures are used

• Understand fundamental control applications

Learning Time

• 15 minutes

PENTAIR HOFFMAN ®

PROTECTING AUTOMATION EQUIPMENT

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Industrial automation equipment is used in a wide variety of applications across many industries. Understanding these applications will help you select the best enclosure solution for your customer.

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WHERE ARE INDUSTRIAL ENCLOSURES USED?

USERS OF INDUSTRIAL ENCLOSURES

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• Automotive manufacturers

• Metal forming / shaping equipment manufacturers

• Paper mills

• Bottling companies

• Food packagers

• Drug makers

• Cigarette makers

• Printers

• Furniture makers

• Lumber processors

• Generator manufacturers

• Shipping companies

• Plastics formers

• Canning companies

• Meat processors

• Train engine builders

• Chemical producers

• Mining companies

• Iron foundries

• Glass making companies

• Conveyor manufacturers

• Waste water treatment plants

• Water desalination plants

• Solar farms

• Wind power generators

• Solar farms

• Oil refineries

• Natural gas companies

• Coal pulverizers

• Turbine manufacturers

• Injection molders

• Other industrial markets

Electrical enclosures are used virtually every industry

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UNDERSTANDING ENCLOSURE APPLICATIONS

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1. UNDERSTAND THE CUSTOMER’S CONTROL APPLICATION

• Basic function • Critical control

components

2. UNDERSTAND SIZE OF ALL CONTROLS TO BE INSTALLED IN THE ENCLOSURE

• Overall size and quantity of control components

• Method and location of mounting the enclosure

3. SELECT THE BEST ENCLOSURE PLATFORM BASED ON CUSTOMER REQUIREMENTS

• Determine the best solution platform

Understand the application, select the right enclosure

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APPLICATION: JUNCTION BOX

ENCLOSURE CONTAINING ELECTRICAL CONNECTIONS

TYPICAL CONTROL COMPONENTS

• Terminal blocks

• Terminal strips

• Grounding/earthing bars

SIZE RANGES

• Typically smaller; 12” x 12” x 6”

• Larger applications known as “marshalling cabinets”

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

Small Polycarbonate junction box

Medium stainless steel junction box

Large freestanding Marshalling cabinet

Small junction boxes: POLYPRO, mild and stainless

steel, aluminum JIC,

CONCEPT mild steel,

stainless steel

PROLINE

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Smaller enclosures for terminal blocks

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APPLICATION: INSTRUMENTATION ENCLOSURE

ENCLOSURE USED TO PROTECT MEASUREMENT AND CONTROL DEVICES

TYPICAL CONTROL COMPONENTS

• Devices measuring flow, temperature, pressure, level

• Gauges, meters

• Controllers, power supplies

SIZE RANGES

• Typical sizes 24” x 24” x 6” or smaller

• Window door for viewing device status

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APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

ULTRX, A48 fiberglass instrument enclosures; solid door and window door versions

INLINE steel and stainless steel, remote I/O enclosures

Q-Line Polycarbonate enclosures – solid and clear cover

Polycarbonate instrument enclosure with clear cover

Fiberglass instrument enclosure with window

Solid door fiberglass measuring station

Small and medium enclosures for instrument devices

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APPLICATION: HUMAN MACHINE INTERFACE (HMI)

ENCLOSURE SYSTEM DESIGNED TO PROTECT MACHINE CONTROL DEVICES

TYPICAL CONTROL COMPONENTS • Start/Stop pushbuttons, indicator

lights, stack lights

• Emergency Stop (E-Stop) buttons

• Screen interface devices

• Power supplies

Types • Pushbutton

• Touch-screen interface

• Computer Kiosk

• Control Console

Start/Stop, E-Stop pushbutton station

Stainless Steel HMI pendant arm system

Control console

CONCEPT, CC2000, SYSPEND, pendant arm-mounted HMI enclosures

CC4000, SYSPEND pedestal-mounted

HMI enclosure

Consolet, pushbutton enclosures, control consoles

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

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Provides operator interface with machines or systems

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APPLICATION: CONTROL ENCLOSURES

MULTI-PURPOSE ENCLOSURES USED TO PROTECT A VARIETY OF ELECTRICAL CONTROL EQUIPMENT

TYPICAL CONTROL COMPONENTS • Programmable logic controllers

(PLCs)

• Variable Frequency Drives Relays, contactors, circuit protection devices, motor starters, cable management, terminals

SIZE RANGES • Basic control enclosures span a wide

range of sizes

• From 12” X 12” X 6” to several freestanding enclosures joined together

Small control enclosures

Medium-size control enclosures

Large multi-door control enclosures

INLINE, ULTRX control enclosures

FUSION, GL Series, CONCEPT wall-mounted enclosures

A27 Multi-door and PROLINE modular enclosures

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

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Medium to large enclosures for broad range of applications

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APPLICATION: FLANGE DISCONNECT ENCLOSURES

CONTROL ENCLOSURES USED WITH FLANGE MOUNTED DISCONNECT SWITCHES TO TURN OFF POWER TO DEVICES INSIDE

TYPICAL CONTROL COMPONENTS • Programmable logic controllers

(PLCs)

• Variable frequency drives

• Relays, contactors, circuit protection devices

• Cable management, terminals

SIZE RANGES • Basic control enclosures span a

wide range of sizes

• From 20” X 20” X 8” to multi-door freestanding enclosures 90” tall

Disconnect switch and operator handle mounted to disconnect enclosure

Three-door wall-mounted disconnect enclosure

Large two-door disconnect enclosure

CONCEPT, A25 disconnect enclosures

A17 Fiberglass and A26 Steel wall-mounted disconnect enclosures

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

A28 and A28S4 multi-door disconnect enclosures

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Medium to large enclosures for power disconnect

PENTAIR HOFFMAN ®

APPLICATION: VARIABLE FREQUENCY DRIVE ENCLOSURES

CONTROL ENCLOSURES USED SPECIFICALLY TO PROTECT VARIABLE FREQUENCY DRIVES (VFDS)FROM ENVIRONMENT AND OVERHEATING

TYPICAL CONTROL COMPONENTS • Variable frequency drives

• Fuses/circuit breakers

• Disconnect components

• Terminal strips

• Wire duct

• Pushbuttons/pilot lights

SIZE RANGES • Dependent upon horsepower rating

of VFD drive

Small, single-drive enclosures

Medium size VFD application

Large multi-door application with several small drives

FUSION, CONCEPT,GL66 Series

A28 and A28S4 multi-door disconnect enclosures

Weatherflo and Weatherflo HD

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

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Medium to large drive enclosures

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APPLICATION: DISTRIBUTED CONTROL SYSTEMS (DCS)

LARGE PROCESS CONTROL SYSTEMS (DCS)

TYPICAL CONTROL COMPONENTS • Logic & Safety Control Modules

• Power Supplies

• Input and Output modules

• Processors

SIZE RANGES • Size of VFD enclosure depends on

size and quantity of the drives

• Typically large free-standing enclosures, 1 to 20 bays

• Commonly 72” to 80” tall

Small, single drive enclosures

Medium size VFD application

Large multi-door application with several small drives

A30S4 Free-stand stainless steel enclosures with sunshield

PROLINE modular enclosure system

APPLICATION PHOTOS HOFFMAN PLATFORM SOLUTIONS

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Enclosures for process control applications

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WHERE ENCLOSURES ARE USED

ENCLOSURES PROTECT THE SYSTEMS CONTROLLING:

• Automated pick and place systems

• Conveyor systems

• Loading dock human machine interface (HMI) systems

• Automated door opening systems

• Power distribution panels

• ERP systems printing shipping information

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Enclosures in a warehouse management system application

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SUMMARY

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THINGS AN APPLICATION SAVVY ENGINEER NEEDS TO KNOW

1) The right questions to ask to better understand the application.

2) Basic functions of the enclosure and critical components to be protected

3) Types, quantity and sizes of components to be enclosed

4) Enclosure location and type of mounting

Understand the application, select the right enclosure