Siemens BQD145 – 45A 1 Pole Molded Case Circuit Breaker One Day Deal

Providing 45 amps of thermal-magnetic protection, the Siemens BQD145 is a 1-pole molded case circuit breaker optimized for commercial facilities. It operates at up to 277VAC, delivering a 14 kAIC interrupting rating to safeguard critical branch circuits. This BQD frame breaker fastens securely into Siemens P1, P2, P3, P4, and P5 panelboards via a standard bolt-on connection. It accepts 8-1 AWG copper or 6-1/0 AWG aluminum wiring for flexible installation. Features include HACR and HID ratings.