Table of contents
3WA Air Circuit Breakers
Equipment Manual, 05/2021, 92310000002-03
7
4.4.5 Trip alarm switch ............................................................................................................. 202
4.4.5.1 Description ...................................................................................................................... 202
4.4.5.2 Technical specifications.................................................................................................... 202
4.4.5.3 Installation....................................................................................................................... 203
4.4.5.4 Article number ................................................................................................................. 203
4.4.6 Position signaling switch module for guide frame ............................................................. 204
4.4.6.1 Description ...................................................................................................................... 204
4.4.6.2 Technical specifications.................................................................................................... 206
4.4.6.3 Installation....................................................................................................................... 207
4.4.6.4 Article number ................................................................................................................. 207
4.5 Accessories for main connections ..................................................................................... 208
4.5.1 Main connections for fixed-mounted circuit breakers ........................................................ 208
4.5.1.1 Description ...................................................................................................................... 208
4.5.1.2 Technical specifications.................................................................................................... 211
4.5.1.3 Installation....................................................................................................................... 211
4.5.1.4 Article number ................................................................................................................. 215
4.5.2 Main connections for withdrawable circuit breakers ......................................................... 217
4.5.2.1 Description ...................................................................................................................... 217
4.5.2.2 Technical specifications.................................................................................................... 220
4.5.2.3 Installation....................................................................................................................... 220
4.5.2.4 Article number ................................................................................................................. 221
4.6 Accessories for secondary disconnect terminals ................................................................ 224
4.6.1 Secondary disconnect terminals for fixed-mounted circuit breakers .................................. 224
4.6.1.1 Description ......................................................................................................................
224
4.
6.1.2 Installation....................................................................................................................... 225
4.6.1.3 Connection ...................................................................................................................... 226
4.6.1.4 Article number ................................................................................................................. 226
4.6.2 Secondary disconnect terminals for withdrawable circuit breakers .................................... 227
4.6.2.1 Description ...................................................................................................................... 227
4.6.2.2 Installation....................................................................................................................... 228
4.6.2.3 Connection ...................................................................................................................... 229
4.6.2.4 Article number ................................................................................................................. 229
4.7 Conversion set and coding for withdrawable circuit breakers ............................................ 230
4.7.1 Conversion set for converting fixed-mounted circuit breakers into withdrawable circuit
breakers .......................................................................................................................... 230
4.7.1.1 Description ...................................................................................................................... 230
4.7.1.2 Technical specifications.................................................................................................... 231
4.7.1.3 Installation....................................................................................................................... 232
4.7.1.4 Article number ................................................................................................................. 236
4.7.2 Equipment-dependent coding .......................................................................................... 237
4.7.2.1 Description ...................................................................................................................... 237
4.7.2.2 Installation....................................................................................................................... 238
4.7.2.3 Article number ................................................................................................................. 239
4.8 Accessories for protection against unauthorized operation ............................................... 240
4.8.1 Overview of locking devices and locking provisions .......................................................... 240
4.8.2 Locking provision to prevent unauthorized closing - Safe Open ......................................... 243
4.8.2.1 Description ...................................................................................................................... 243
4.8.2.2 Installation....................................................................................................................... 245
4.8.2.3 Activation ........................................................................................................................
247
4.
8.2.4 Article number ................................................................................................................. 248
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