Table of contents
3WA Air Circuit Breakers
Equipment Manual, 05/2021, 92310000002-03
5
2.7.2.8 Operator controls ............................................................................................................. 116
2.7.2.9 Commissioning ................................................................................................................ 118
2.7.2.10 Access protection functions.............................................................................................. 122
2.7.2.11 Resetting to factory settings ............................................................................................. 126
2.7.2.12 System time ..................................................................................................................... 127
2.7.3 Status acquisition with breaker status sensor BSS200 ....................................................... 129
2.8 Self-monitoring and diagnostics ....................................................................................... 130
2.8.1 Internal self-test ............................................................................................................... 130
2.8.1.1 General............................................................................................................................ 130
2.8.1.2 Internal self-test ETU600 .................................................................................................. 131
2.8.2 Error display..................................................................................................................... 133
2.8.3 Trip log ............................................................................................................................ 135
3 Applications ....................................................................................................................................... 137
3.1 Use in systems with isolated transformer neutral point (IT systems) .................................. 137
3.1.1 General............................................................................................................................ 137
3.1.2 Selection criteria .............................................................................................................. 138
3.1.3 Fault situation.................................................................................................................. 139
3.2 Transfer control ............................................................................................................... 140
3.2.1 General............................................................................................................................ 140
3.2.2 Application areas ............................................................................................................. 141
3.2.3 Transfer control with two 3WA circuit breakers ................................................................. 141
3.2.4 Transfer control with three 3WA circuit breakers............................................................... 141
3.2.5 Further information ......................................................................................................... 142
3.3 p
owermanager ................................................................................................................ 143
3.3.1 Energy management in accordance with ISO 50001 ......................................................... 143
3.3.2 Features .......................................................................................................................... 144
3.3.3 Functions......................................................................................................................... 145
3.3.4 TÜV certificate of conformity for energy management ...................................................... 145
3.4 7KN Powercenter 3000 .................................................................................................... 146
3.4.1 IoT gateway for the intelligent power distribution equipment ........................................... 146
3.4.2 IoT data platform ............................................................................................................. 147
3.4.3 Parameterization and settings .......................................................................................... 147
4 Accessories ........................................................................................................................................ 149
4.1 Overview ......................................................................................................................... 149
4.2 Preparatory and concluding installation steps for the installation of internal accessories.... 151
4.3 Control and signaling accessories ..................................................................................... 156
4.3.1 Closing coil, shunt trip, undervoltage release.................................................................... 156
4.3.1.1 Description ...................................................................................................................... 156
4.3.1.2 Technical specifications.................................................................................................... 159
4.3.1.3 Installation....................................................................................................................... 163
4.3.1.4 Article number ................................................................................................................. 164
4.3.2 Capacitor trip device for shunt trips .................................................................................. 166
4.3.2.1 Description ...................................................................................................................... 166
4.3.2.2 Technical specifications.................................................................................................... 166
4.3.2.3 Installation....................................................................................................................... 167
4.3.2.4 Article number ................................................................................................................. 167
4.3.3 Remote trip alarm reset coil.............................................................................................. 168