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Federal Pacific NK631175 - Molded Case Circuit Breaker 175A 600V 3-Pole

Federal Pacific
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Federal Pacific NK631175 is a 3-pole molded case circuit breaker designed for overcurrent and short-circuit protection in commercial and industrial power distribution systems. It is rated for 175A at 600V AC and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The unit features a bolt-on mounting style, weighs 38 lb, and is constructed for use in 3-phase AC applications. This breaker complies with industry standards for safety and performance, including an interrupt rating of 30kAIC at 480V. Typical applications include protecting branch circuits, feeders, and equipment in manufacturing facilities, commercial buildings, and other heavy-duty electrical environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Federal Pacific
  • Series: NK
  • Amperage: 175A
  • Voltage: 600V AC
  • Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 30kAIC @ 480V
  • Weight: 38 lb


Part Number: NK631175