Siemens HED43B090 – 90A 3 Pole Molded Case Circuit Breaker Save Now

Delivering 42kAIC at 480VAC, this three-pole 90-amp molded case circuit breaker provides essential thermal-magnetic protection for demanding electrical systems. It mounts securely into Siemens Sentron P1, P2, and P3 panelboards as well as SB switchboards. The ED frame device features a non-interchangeable trip unit and comes equipped with load side lugs. For modern upgrades, this unit is replaced by the 3VA5190-6ED31-0AA0, which requires a specific mounting strap kit for panelboard use.