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ABB XT4NU3100BYJ000XXX - Molded Case Circuit Breaker 100A 600V 3-Pole

ABB
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ABB XT4NU3100BYJ000XXX is a molded case circuit breaker from the SACE Tmax XT family, designed to provide reliable overload and short circuit protection via a thermal magnetic adjustable (TMA) trip unit. This 3-pole unit is rated for 100A at 600VAC and offers an interrupting capacity of 25kA at 480V, with a bolt-on connection and support for wire sizes from AWG 4 to AWG 300 in copper or aluminum. Weighing 8 lb, it features front flat terminals and is suitable for fixed or plug-in mounting in low voltage power distribution systems. The breaker complies with UL and CSA standards, ensuring robust performance in commercial and industrial environments. Typical applications include switchboards, panelboards, and motor control centers requiring dependable circuit protection.

Key Features & Specifications
  • Manufacturer: ABB
  • Item Subcategory: Molded Case
  • Family: SACE Tmax XT
  • Country of Origin: United States
  • Type: XT4NU
  • Weight: 8 lb
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Standards: UL, CSA
  • Wire Size: AWG 4 to AWG 300, Cu/Al
  • Certification: UL, CSA
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 100A
  • Frame Size: XT4N
  • Trip Unit: Thermal Magnetic Adjustable (TMA)
  • Mounting: Fixed or Plug-in
  • Terminals: Front Flat


Part Number: XT4NU3100BYJ000XXX