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ABB XT5NU330ABYN000XXX - 3-Pole 300A Molded Case Breaker

ABB
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ABB XT5NU330ABYN000XXX is a 3-pole thermal magnetic molded case circuit breaker from the SACE Tmax XT family, designed for overcurrent protection in power distribution and motor control applications. It is rated for 300A at 600VAC with a 25kA interrupting capacity at 480V, utilizing a bolt-on connection and supporting wire sizes from AWG 2x 2/0 to 500 kcmil for copper or aluminum conductors. The unit weighs 20 lb and features a molded case construction with front flat terminals for straightforward installation. It is certified to UL and CSA standards, ensuring compliance with North American electrical codes. This breaker is suitable for industrial environments requiring reliable circuit protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Manufacturer: ABB
  • Family: SACE Tmax XT
  • Type: XT5NU
  • Item Subcategory: Molded Case
  • Poles: 3
  • Current Rating: 300A
  • Voltage Rating: 600V
  • AIC Rating: 25kA@480V
  • Connection: Bolt-On
  • Wire Size: AWG 2x 2/0 to 500KCmil, Cu/Al
  • Weight: 20 lb
  • Standards: UL, CSA
  • Certification: UL, CSA
  • Phase: 3
  • Country of Origin: United States
  • Amperage: 300 Amps
  • Voltage: 600 VAC
  • Frame Type: XT5N
  • Trip Unit: Thermal Magnetic (TMA)
  • Interrupt Rating: 25kA at 480V
  • Mounting Type: Molded Case
  • Terminal Type: Front Flat Terminals
  • Application: Power Distribution and Motor Control


Product Identification
  • UPC: 8056221790840