Siemens CKL3B350 – 350A 3 Pole Molded Case Circuit Breaker Direct From Factory

Providing robust overcurrent defense, the Siemens CKL3B350 is a 350-amp, 3-pole current-limiting circuit breaker. It utilizes a thermal-magnetic trip unit alongside integrally fused Amp-Trap limiters to minimize let-through energy. This bolt-on C-frame breaker fits into Siemens P4 and P5 panelboards, and SB switchboards. The CJD63B350 serves as a replacement when paired with a mounting kit.