The undervoltage accessory is an electronic module which provides remote control capability to open the circuit breaker when the voltage supplied to the accessory drops below 70% of its rated value.

GE Undervoltage Release, Field Installed, 125 VDC, For Use With: TEB, TEC, TB1-B5, TED, THED, THLC1, E150 Molded Case Circuit Breaker

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_FVK3100E_Catalog.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/GE_FVK3100E_Catalog.pdf
• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_9cce01609f71eaf32b4d2d093e0672dcd102445b8c9e3e5354d8d969d04425b3.pdf https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_9cce01609f71eaf32b4d2d093e0672dcd102445b8c9e3e5354d8d969d04425b3.pdf