High Quality Siemens B345 – 45A 3 Pole Molded Case Circuit Breaker

Built for reliable power distribution, this 45-amp BL series breaker offers standard 10kAIC interrupting capacity at 240VAC. The bolt-on mounting style provides a secure, vibration-resistant connection within Siemens P1, P2, and P3 commercial panelboards. Featuring a fixed thermal-magnetic trip mechanism, it delivers quick-make/quick-break performance for long-time and instantaneous protection. Load side lugs are included for straightforward wiring of 8-4 AWG aluminum or copper conductors.