EPSBFMK

EPSBFMK, Siemens, SB Series, circuit breaker accessory, Communication Modules, expansion plug, necessary to integrate a breaker into an ACCESS system, one expansion plug required for each circuit breaker in the system and is used to interface SB breaker trip units to the Multiplex/Translator, always necessary for zone interlocking, suitable for use with fixed mounted 800-2000A SBA,SBH,SBS frame types, insulated case circuit breakers