NXD63B120 | Siemens Sentron 1200A 3-Pole 600V Thermal-Magnetic Molded Case Circuit BreakerDescription The Siemens NXD63B120 is a Sentron Series molded case circuit breaker (MCCB) designed for high capacity protection in industrial and commercial power distribution systems. Rated for 1200 amps, 600 volts, and 3 poles, it features a thermal magnetic, non interchangeable trip unit that delivers dependable overload and short circuit protection. Built on the ND frame, this breaker combines robust construction with standard interrupting capacity
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