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Westinghouse 1773518 - KL Series 400A 3-Pole Breaker

Westinghouse
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Westinghouse KL Series 1773518 is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 400A unit operates at 600VAC with a 22kA interrupting capacity at 480VAC, utilizing thermal-magnetic protection for long-time and instantaneous fault response. The bolt-on connection breaker weighs 48 lb and features a compact molded case construction suitable for panelboard installation. It complies with applicable UL and NEMA standards for industrial electrical safety. Typical applications include main feeder protection, large motor circuits, and heavy equipment in manufacturing facilities.

Key Features & Specifications
  • Type: Molded Case, KL Series
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 22kA@480V
  • Weight: 48 lb
  • Family: KL Series


Product Identification
  • Manufacturer: Westinghouse
  • Model: 1773518