Westinghouse NB31200TN is a three-pole circuit breaker rated for 1200 amps, designed for three-phase electrical systems. It features an NB non-auto trip unit, providing manual-tripping protection in high-current power distribution applications. The model NB31200TN identifies a high-current NB-series breaker with factory reference 371D589G32, making it suitable for installations requiring a 3-pole, 1200 A non-auto trip protection device in three-phase circuits.
