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ABB XT4NU - Molded Case 175A 600V 3-Pole Breaker

ABB
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ABB SACE Tmax XT XT4NU is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 175A continuous current, and delivers a 25kA interrupting capacity at 480V AC for reliable fault clearing. The unit weighs 8 lb, features a bolt-on connection, and accepts copper or aluminum wire from AWG 4 to AWG 300. It complies with UL and CSA standards, ensuring safe operation in commercial and industrial environments. Typical applications include panelboards, switchboards, and motor control centers requiring robust circuit protection.

Key Features & Specifications
  • Type: Molded case circuit breaker, SACE Tmax XT family, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Poles: 3
  • Connection: Bolt-On
  • Wire Size: AWG 4 to AWG 300, Cu/Al
  • AIC Rating: 25kA@480V
  • Phase: 3
  • Standards: UL, CSA
  • Weight: 8 lb
  • Country of Origin: United States