Siemens SINOVA - Page 5

Table of contents
3WJ Air Circuit breakers
4 Operating Instructions, 12/2022, L1V30828903001-01
3 Accessories .......................................................................................................................................... 56
3.1 Overview ........................................................................................................................... 56
3.2 Preparatory and concluding installation steps for the installation of internal accessories ..... 57
3.3 Control and signaling accessories ....................................................................................... 60
3.3.1 Overview ........................................................................................................................... 60
3.3.2 Closing coil, shunt trip and undervoltage release ................................................................ 61
3.3.2.1 Installation ........................................................................................................................ 66
3.3.2.2 Part number ...................................................................................................................... 67
3.3.3 Counting mechanism ......................................................................................................... 68
3.4 Monitoring switches and signaling accessories ................................................................... 70
3.4.1 Position signaling switch for guide frame ........................................................................... 70
3.5 Accessories for main connections ....................................................................................... 72
3.5.1 Connection bars for guide frame (frame size I) ................................................................... 72
3.5.2 Connection bars for guide frame (frame size II) .................................................................. 76
3.5.3 Vertical connections for fixed-mounted Circuit Breaker ....................................................... 80
3.6 Accessories for secondary disconnect terminals .................................................................. 83
3.6.1 Secondary disconnect terminals for fixed-mounted Circuit breakers .................................... 83
3.6.2 Secondary disconnect terminals for withdrawable Circuit breakers ..................................... 85
3.7 Accessories for the Electronic Trip Unit ............................................................................... 86
3.7.1 Hand-held test device ........................................................................................................ 86
3.7.2 External transformer for neutral conductors (for ETU360WJ) .............................................. 91
3.7.3 Retrofitting the internal N transformer ............................................................................... 94
3.8 Conversion sets - fixed-mounted Circuit Breakers to withdrawable Circuit Breakers ............. 97
3.9 Accessories for locking and interlocking ...........................................................................
105
3.9.1 Safety locking device ....................................................................................................... 105
3.9.2 Mounting set for 3WJ lock or CASTELL lock ....................................................................... 107
3.9.3 3WJ lock (set), 3 locks with 2 keys .................................................................................... 109
3.9.4 Door interlock .................................................................................................................. 116
3.9.4.1 Door interlock for fixed-mounted Circuit Breaker .............................................................. 116
3.9.4.2 Door interlock for guide frame ......................................................................................... 119
3.9.5 Mechanical interlock ........................................................................................................ 123
3.9.5.1 Information about mechanical interlock ........................................................................... 123
3.9.5.2 Mechanical interlock of fixed-mounted Circuit Breakers .................................................... 129
3.9.5.3 Mechanical interlock of withdrawable Circuit Breakers ...................................................... 134
3.9.5.4 Installing Bowden wire..................................................................................................... 138
3.10 Accessories for integration in the power distribution equipment ....................................... 141
3.10.1 Door sealing frame IP41 ................................................................................................... 141
3.10.2 Protective cover IP55 ....................................................................................................... 143
3.10.3 Arc chute cover ................................................................................................................ 144
3.10.4 Shutters........................................................................................................................... 148
3.10.5 Phase barrier ................................................................................................................... 155
3.10.5.1 Phase barrier for fixed-mounted Circuit Breaker ................................................................ 156
3.10.5.2 Phase barrier for guide frame ........................................................................................... 161