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Description | The ABB XT4NU3250AFF000XXX 3-Pole 250 Amp Molded Case Circuit Breaker combines a full 250 amp rating with the compact design of the Tmax XT4 platform. Built on the XT4N 250A frame, this 3-pole breaker is rated for 480 volts and provides a 25kA AIC rating at 480V for commercial and industrial three-phase power systems. The XT4NU3250AFF000XXX uses thermal magnetic fixed protection rather than an electronic trip unit, providing long-time response to overload conditions and instantaneous operation during short-circuit events. Its fixed construction and front terminal configuration make it suitable for compatible switchboards, distribution equipment, feeder circuits, machinery power systems, and facility electrical installations that require the same XT4N breaker setup. When sourcing the XT4NU3250AFF000XXX for an existing installation, the XT4N frame, 250 amp rating, interrupting capacity, trip configuration, terminal arrangement, and lug requirements should match the original equipment. Bay Power offers this ABB circuit breaker in available condition options with fast shipping, expert technical support, 30-day returns, and minimum 1-year warranty coverage. |
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Manufacturer | ABB |
Type | Tmax XT |
Poles | 3 |
Volts | 480 |
Amps | 250 |
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About ABB
With over 140 years of history, it’s safe to say ABB knows a thing or two about electrical hardware. By creating innovative, practical and efficient electrical solutions across all sectors, ABB has become a global leader in the industry. ABB has always been at the forefront of technological advancements thanks to their corporate research center and their commitment to sustainability and efficiency. They are experts in the fields of power generation, distribution, transmission, automation, and much more.
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