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Westinghouse KA3150W - Molded Case 150A 3-Pole 600V

Westinghouse
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Westinghouse KA3150W is a three-pole molded case circuit breaker from the KA Series, designed for overcurrent protection in industrial and commercial power distribution systems. It features a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection, rated for 600VAC at 50/60Hz with a continuous current rating of 150 Amperes. This bolt-on, panel-mountable unit weighs 19 lb and is constructed without lugs, requiring separate selection for wiring connections. The breaker delivers an interrupting capacity of 22kA at 480VAC, suitable for typical low-voltage fault scenarios. It is commonly applied in panelboards, switchboards, and motor control centers for branch circuit protection.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Part Number: KA3150W
  • Item Subcategory: Molded Case
  • Family: KA Series
  • Type: KA
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600VAC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA at 480VAC
  • Phase: 3
  • Current Rating: 150 Amp
  • Mounting Type: Panel Mount
  • Additional Info: This item does not include lugs