Siemens ED21B040 – 40A 1 Pole Molded Case Circuit Breaker Save Now

Operating within the Sentron ED2 series, this 40A single-pole MCCB handles demanding commercial electrical loads. The Siemens ED21B040 ensures consistent power distribution and circuit protection across 120VAC and 125VDC networks. Designed with a secure bolt-on mounting style, it fits perfectly into Siemens Sentron panelboards and SB switchboards. The unit comes equipped with load side lugs for straightforward wiring. It carries a 10kAIC rating for standard commercial fault protection.