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ABB XT5NU340ABFF000XXX - Molded Case 400A 600V 3-Pole Breaker

ABB
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The ABB XT5NU340ABFF000XXX is a three-pole molded case circuit breaker from the SACE Tmax XT family, designed to provide thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions for industrial power distribution systems. It is rated for 600V AC, 400A continuous current, and delivers a 25kA interrupting capacity at 480V, ensuring robust fault clearance in three-phase applications. This bolt-on unit weighs 12 lb and features a compact molded case construction suitable for panelboard or switchboard installation. The breaker complies with UL and CSA standards, with certifications confirming its reliability for commercial and industrial environments. Typical applications include motor control centers, distribution panels, and main feeder protection in manufacturing facilities, data centers, and infrastructure projects.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI Protection
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 25kA@480V
  • Phase: 3
  • Functions: LI - Long-Time and Instantaneous
  • Standards: UL, CSA
  • Certification: UL, CSA
  • Weight: 12 lb
  • Country of Origin: United States
  • Family: SACE Tmax XT


Product Identification
  • UPC: 05622102175
  • GTIN: 08056221021753