Time-Limited Siemens FJ3B150 – 150A 3 Pole Molded Case Circuit Breaker

Delivering 150A of continuous current, the Siemens FJ3B150 is a rugged 3-pole molded case circuit breaker for 600VAC systems. This legacy F-frame device utilizes fixed thermal-magnetic technology to ensure precise long-time and instantaneous circuit protection. Designed for commercial networks, it bolts firmly into Siemens and I-T-E FC, CDP, and SB panelboards. For modern applications, this model is officially replaced by the FD63B150. It features a 14kAIC rating at 480V.