Table of Contents
Advertisement
3.9
Safety-related applications of 3VA molded case circuit breakers ...................................... 183
4
Accessories .............................................................................................................................. 185
4.1
Overview of accessories for 3VA molded case circuit breakers ........................................ 185
4.1.1
Accessories groups ......................................................................................................... 185
4.1.2
Possible combinations of of accessories .......................................................................... 186
4.2
Internal accessories......................................................................................................... 191
4.2.1
Mounting locations on 3VA molded case circuit breakers ................................................. 191
4.2.2
Auxiliary and alarm switches............................................................................................ 197
4.2.3
Contact sequence diagrams ............................................................................................ 201
4.2.4
Technical specifications of auxiliary and alarm switches .................................................. 202
4.2.5
Auxiliary releases ............................................................................................................ 204
4.2.6
Time-delay devices for undervoltage releases ................................................................. 209
4.2.7
COM060 communication module ..................................................................................... 209
4.2.8
24 V module .................................................................................................................... 210
4.3
Connection system .......................................................................................................... 211
4.3.1
General information about cables and busbars ................................................................ 211
4.3.2
Portfolio of connection components for 3VA molded case circuit breakers ....................... 214
4.3.2.1
General overview ............................................................................................................ 214
4.3.2.2
Front cable connection .................................................................................................... 218
4.3.2.3
Front busbar and cable lug connections........................................................................... 232
4.3.2.4
Rear busbar and cable lug connections ........................................................................... 239
4.3.3
Further connection accessories ....................................................................................... 246
4.3.3.1
Insulating measures ........................................................................................................ 246
4.3.3.2
Auxiliary conductor terminal ............................................................................................. 269
4.4
Plug-in and draw-out technology...................................................................................... 272
4.4.1
Introduction ..................................................................................................................... 272
4.4.2
Overview of variants / products ........................................................................................ 275
4.4.3
General information ......................................................................................................... 276
4.4.4
Information about installation, built-on and built-in components ........................................ 277
4.4.5
Plug-in technology ........................................................................................................... 278
4.4.5.1
Product description .......................................................................................................... 278
4.4.5.2
Combination with other accessories................................................................................. 284
4.4.6
Draw-out technology........................................................................................................ 285
4.4.6.1
Product description .......................................................................................................... 285
4.4.6.2
Combination with other accessories................................................................................. 295
4.4.7
Accessories for plug-in and draw-out units ....................................................................... 295
4.4.7.1
Description of individual product variants ......................................................................... 295
4.4.7.2
Overview of technical specifications................................................................................. 307
4.4.7.3
Combination with other accessories................................................................................. 308
4.5
Manual operators ............................................................................................................ 309
4.5.1
Opening, closing and resetting the 3VA molded case circuit breaker ................................ 310
4.5.2
Front mounted rotary operator ......................................................................................... 312
4.5.3
Door mounted rotary operator .......................................................................................... 316
4.5.4
Side wall mounted rotary operator ................................................................................... 322
4.5.5
Locking and interlocking for manual operators ................................................................. 324
4.5.5.1
Locking by the handle ...................................................................................................... 324
4.5.5.2
Locking and interlocking by the rotary operator ................................................................ 326
4.5.6
Degree of protection ........................................................................................................ 329
4.5.7
Accessories ..................................................................................................................... 330
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
Table of contents
5
Advertisement
Table of Contents
