EATON CUTLER HAMMER LOW VOLTAGE AC POWER CIRCUIT BREAKER 3 POLES 4000 AMPS 635 VAC TRIP UNIT POWER 120 VAC AUX SWITCHES 4A/4B CAT# SBNC4N3HEA40CMNMNN4ENANFX
SBNC4N3HEA40CMNMNN4ENANFX INSULATED CASE CIRCUIT BREAKER BY EATON, CUTLER HAMMER OR WESTINGHOUSE