Uploaded March 2025 | Updated September 2026, 1 hour ago

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Learn how to properly install internal accessories on the ETIBREAK NBS moulded case circuit breaker. In this step-by-step guide, we show you how to mount auxiliary contacts (PS) for remote ON/OFF indication and a trip indicator (SD9) for fault signaling. Perfect for professionals working with MCCBs from 100A to 250A.


*Products Used*
Auxiliary Switch PS (004673211) ▶ https://www.etigroup.eu/products-services/004673211
Signal Switch SS (004673212) ▶ https://www.etigroup.eu/products-services/004673212
MCCBs ▶ https://www.etigroup.eu/products-services/circuit-breakers-20-1600a
Accessories ▶ https://www.etigroup.eu/products-services/moulded-case-circuit-breakers-and-disconnectors-etibreak/accessories


For more technical information visit:
ETIBREAK NBS Blog ▶ https://www.etigroup.eu/media-center/eti-news/etibreak-nbs-the-next-generation-of-moulded-case-circuit-breakers
ETIBREAK NBS Catalogue ▶ https://www.etigroup.eu/images/userfiles/en-GB/documents/products/New_catalogue/Etibreak_NBS.pdf


Timestamps:
0:00 Internal Accessories used
0:30 Installation Instructions
2:24 Test the Installed Contacts

#ETIBREAK #MCCB #ElectricalInstallation #AuxiliaryContacts