Limited Offer Siemens HE3B040 – 40A 3 Pole Molded Case Circuit Breaker

Operating as a critical safety component, the Siemens HE3B040 is a 40A, 3-pole molded case circuit breaker. It utilizes fixed thermal and magnetic trip units to protect commercial circuits from electrical faults. The bolt-on configuration allows for stable integration into Siemens P1, P2, P3, and ITE panelboards. While this is a legacy HE frame device, it remains essential for maintaining existing systems and is replaced by the HED63B040. It features a 65kAIC rating at 240V and is HACR rated.