Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Table of Contents
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TABLE OF CONTENTS
THE COMPACT® CIRCUIT BREAKER LINE .......................................................................................4
GENERAL CHARACTERISTICS ..........................................................................................................5
Compliance with Standards .............................................................................................................5
CIRCUIT BREAKERS ...........................................................................................................................8
Ratings and Interrupting Ratings .....................................................................................................8
TRIP UNITS ........................................................................................................................................10
Trip Units for Compact® NSF150 and NSF250 Circuit Breakers .................................................. 10
Trip Units for Compact® NSJ400 and NSJ600 Circuit Breakers ................................................... 11
Electronic Trip Unit Test Kits .........................................................................................................16
SWITCHES .........................................................................................................................................17
Ratings and Interrupting Ratings ...................................................................................................17
MOTOR CIRCUIT PROTECTORS ..................................................................................................... 19
Ratings and Interrupting Ratings ...................................................................................................19
MOUNTING CONFIGURATIONS .......................................................................................................21
Fixed Mounting ..............................................................................................................................21
Connections ..................................................................................................................................21
Plug-in Mounting ...........................................................................................................................21
Drawout Mounting .........................................................................................................................22
CONNECTIONS .................................................................................................................................24
Front Connection ...........................................................................................................................24
Rear Connection ...........................................................................................................................25
ACCESSORIES ..................................................................................................................................26
Location .........................................................................................................................................26
Connections ..................................................................................................................................26
Automatic Secondary Disconnecting Blocks ................................................................................. 27
Auxiliary and Alarm Switches ........................................................................................................28
Shunt Trip and Undervoltage Trip .................................................................................................30
Motor Operator ..............................................................................................................................31
Rotary Operating Handles .............................................................................................................33
Cable Operating Handles ..............................................................................................................35
Locking Systems ...........................................................................................................................36
Interlocking Accessories ................................................................................................................37
Front Panel Escutcheons .............................................................................................................. 39
DIMENSIONS .....................................................................................................................................41
Fixed Mounted ...............................................................................................................................41
Plug-in and Drawout Mounting ......................................................................................................43
Cable Operating Handles ..............................................................................................................47
Rotary Operating Handles .............................................................................................................48
Front Accessories ..........................................................................................................................51
Interlocking Systems .....................................................................................................................52
CONNECTION DIMENSIONS ............................................................................................................53
WIRING DIAGRAMS ..........................................................................................................................55
SUPPLEMENTARY TECHNICAL INFORMATION .............................................................................57
Reflex Tripping ..............................................................................................................................62
Let-through Curves ........................................................................................................................63
Current Limiting Curves .................................................................................................................65
UL 489 Test Procedure .................................................................................................................67
IEC 947-2 Test Procedure .............................................................................................................70
Routine and Maintenance Guidelines ...........................................................................................73