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Westinghouse K3150 - Molded Case 150A 600V 3-Pole Breaker

Westinghouse
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Westinghouse K3150 is a 3-pole, 150A molded case circuit breaker from the K Series, designed for overcurrent protection in three-phase power distribution systems. It delivers 600V of voltage handling with a 22kA interrupting capacity at 480V, utilizing a thermal magnetic protection mechanism with LI (Long-Time and Instantaneous) trip functions. The unit features a bolt-on connection style, weighs 48 lb, and is built for robust industrial and commercial environments. This breaker complies with standard industry requirements for reliable circuit protection in demanding applications. It is typically used in panelboards, switchboards, and motor control centers requiring durable, three-phase protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Westinghouse
  • Family: K Series
  • Type: K
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 22kA@480V
  • Phase: 3
  • Current Rating: 150A
  • Weight: 48 lb
  • Item Subcategory: Molded Case
  • Part Number: K3150
  • Mounting Type: Bolt-On
  • Series/Frame: K Series
  • Trip Unit: Interchangeable Trip
  • Application: Three-Phase
  • Construction: Thermal Magnetic