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Cheap Siemens JL3B400 – 400A 3 Pole Molded Case Circuit Breaker
Original price was: $760.11.$319.25Current price is: $319.25.
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A reliable solution for commercial facilities, the Siemens JL3B400 is a 400-amp, 3-pole molded case circuit breaker. It utilizes thermal-magnetic technology to deliver long-time and instantaneous protection. Designed for bolt-on installation, this breaker is compatible with Siemens P4 and P5 panelboards, motor control centers, and older ITE FC-1 enclosures. For modern upgrades, this legacy J-Frame model is replaced by the JD63B400.
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