Siemens EH3B040 – 40A 3 Pole Molded Case Circuit Breaker Place Order

Operating at up to 480VAC, this 40A thermal-magnetic breaker offers robust overcurrent protection for demanding environments. The three-pole device utilizes fixed thermal and magnetic trip elements to safeguard commercial distribution systems. The bolt-on configuration mounts into Siemens P1, P2, and P3 panelboards, along with vintage ITE load centers. Facilities looking to replace this specific E-frame unit can utilize the newer ED43B040 as a drop-in substitute. Rated 14 kAIC at 480V.