ABB, NEXT4H series, molded case circuit breaker, XT4HU3150BYJ000XXX, 250 A frame, TMA 150 trip unit, 750..1500 A adjustable, 3-pole, fixed, front terminals, UL/CSA.
The ABB XT4HU3150BYJ000XXX is a molded case circuit breaker from the NEXT4H series, rated at 250 A frame size with a TMA 150 trip unit adjustable from 750 to 1500 A. The 3-pole fixed configuration with front terminals and UL/CSA certification makes it a direct fit for North American panelboards and switchgear where selectivity and SCCR coordination are specified.
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The listed description is NEXT4H 250 TMA 150 750..1500 3P F F UL/C, indicating a 250 A frame, TMA 150 trip unit adjustable 750–1500 A, 3-pole, fixed, front terminals, UL/CSA.
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