Table of contents
3WA1 air circuit breaker
10 Equipment Manual, 02/2023, 92310000002-06
4.9.6 Interlocking of three circuit breakers using a Bowden cable ................................................336
4.9.7 Interlock for mechanical close/open ..........................................................................................337
4.9.7.1 Description .......................................................................................................................................337
4.9.7.2 Activation ..........................................................................................................................................338
4.9.7.3 Article number .................................................................................................................................338
4.9.8 Interlock system to prevent unauthorized closing ...................................................................339
4.9.8.1 Description .......................................................................................................................................339
4.9.8.2 Activation ..........................................................................................................................................339
4.9.8.3 Article number .................................................................................................................................339
4.10 Accessories for integration in the power distribution equipment.........................................340
4.10.1 Door sealing frame .........................................................................................................................340
4.10.1.1 Description .......................................................................................................................................340
4.10.1.2 Article number .................................................................................................................................340
4.10.2 IP55 protective cover .....................................................................................................................341
4.10.2.1 Description .......................................................................................................................................341
4.10.2.2 Article number .................................................................................................................................342
4.10.3 Arc chute cover................................................................................................................................343
4.10.3.1 Description .......................................................................................................................................343
4.10.3.2 Article number .................................................................................................................................343
4.10.4 Grounding connection between the guide frame and the circuit breaker ..........................344
4.10.4.1 Description .......................................................................................................................................344
4.10.4.2 Article number .................................................................................................................................345
4.10.5 Support brackets .............................................................................................................................346
4.10.5.1 Description .......................................................................................................................................
346
4.10.5.2 Article number .................................................................................................................................346
4.11 Accessories for the ETU300 and ETU600 electronic trip units .............................................347
4.11.1 Option plug .......................................................................................................................................347
4.11.1.1 Description .......................................................................................................................................347
4.11.1.2 Article number .................................................................................................................................348
4.11.2 External current sensor for neutral pole ....................................................................................349
4.11.2.1 Description .......................................................................................................................................349
4.11.2.2 Technical specifications ................................................................................................................349
4.11.2.3 Article number .................................................................................................................................350
4.11.3 Voltage tap module VTM for ETU600 .........................................................................................351
4.11.3.1 Description .......................................................................................................................................351
4.11.3.2 Article number .................................................................................................................................352
4.11.4 Adapter for the activation of the ETU300 ..................................................................................353
4.11.4.1 Description .......................................................................................................................................353
4.11.4.2 Connection .......................................................................................................................................353
4.11.4.3 Article number .................................................................................................................................354
4.11.5 Internal current sensors without energy cores .........................................................................355
4.11.5.1 Description .......................................................................................................................................355
4.11.5.2 Technical specifications ................................................................................................................356
4.11.5.3 Connection .......................................................................................................................................356
4.11.5.4 Article numbers ...............................................................................................................................357
4.11.6 Ready4COM thanks to BSS200 Breaker Status Sensor for ETU600....................................358
4.11.6.1 Description .......................................................................................................................................358
4.11.6.2 Technical specifications ................................................................................................................359
4.11.6.3 Article number .................................................................................................................................
359
4.11.7 ZSI200 zone selective interlocking module ...............................................................................360
4.11.7.1 Description .......................................................................................................................................360
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