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ABB XT4HU3250AYL000XXX - Molded Case Circuit Breaker 250A 600V

ABB
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ABB XT4HU3250AYL000XXX is a 3-pole molded case circuit breaker from the SACE Tmax XT family, designed for overcurrent protection in electrical distribution systems. It delivers a 250A current rating at 600VAC with a thermal-magnetic trip unit, supporting bolt-on connections and accommodating wire sizes from AWG 3/0 to 350 kcmil for copper or aluminum conductors. Weighing 5.19 lb, this compact XT4N frame breaker features front flat terminals for fixed mounting and offers a mechanical life of 25,000 operations. It is certified to UL 489 and CSA standards, ensuring compliance with North American safety requirements. Typical applications include main switchboards and subswitchboards in industrial and commercial low-voltage installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: ABB
  • Family: SACE Tmax XT
  • Model: XT4HU
  • Country of Origin: United States
  • Current Rating: 250A
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Wire Size: AWG 3/0 to 350 kcmil, Cu/Al
  • Weight: 5.19 lb
  • Standards: UL 489, CSA
  • Certification: UL, CSA
  • Frame Type: XT4N
  • Trip Unit: TMF (Thermal Magnetic)
  • Interrupt Rating: Up to 150kA at 600V AC
  • Terminal Type: Front Flat Terminals
  • Mounting Type: Fixed
  • Mechanical Life: 25,000 operations