Free Returns Siemens JL3B150 – 150A 3 Pole Molded Case Circuit Breaker

Designed for commercial facilities, the Siemens JL3B150 is a 150A, 3-pole molded case circuit breaker. It offers fixed thermal and adjustable magnetic trip settings for precise LI protection. This bolt-on breaker integrates into Siemens P4 and P5 panelboards, MCCs, and switchboards. It is also an exact fit for legacy ITE FC-1 systems. Operating at up to 600VAC, it provides a 35kAIC rating at 480V. The unit is HACR rated and features a trip-free mechanism.