Table of contents
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
5
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
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