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ABB XT5LU340ABYN000XXX - Molded Case Circuit Breaker 400A 600VAC

ABB
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ABB XT5LU340ABYN000XXX is a 3-pole molded case circuit breaker from the SACE Tmax XT family, designed for overcurrent protection in industrial power distribution systems. It is rated for 400A continuous current at 600VAC with a 100kA interrupting capacity at 480V, utilizing a thermal-magnetic trip unit for reliable fault response. The unit weighs 20 lb, features a bolt-on connection, and accepts wire sizes from 2x AWG 2/0 to 500 kcmil for copper or aluminum conductors. This breaker is UL and CSA certified, meeting North American safety and performance standards. It is typically applied in three-phase motor control centers, panelboards, and switchgear requiring high fault current protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SACE Tmax XT
  • Country of Origin: United States
  • Type: XT5LU
  • Weight: 20 lb
  • Voltage Rating: 600VAC
  • Poles: 3
  • Connection: Bolt-On
  • Standards: UL, CSA
  • Wire Size: 2x AWG 2/0 to 500 kcmil, Cu/Al
  • Certification: UL, CSA
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 400A
  • Frame Size: XT5L
  • Trip Unit: Thermal-Magnetic (TMF)
  • Mounting Type: Panel Connect (Plug-in)
  • Voltage Type: AC


Part Number: XT5LU340ABYN000XXX