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Square D KC341501021 - Molded Case Circuit Breaker 150A 480V 3P

Square D
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Square D KC341501021 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 150A current rating and a 480V AC voltage rating, housed within a robust K-Frame construction with an I-Line style plug-in connection for simplified panelboard installation. This thermal magnetic breaker provides LI (Long-time and Instantaneous) protection functions and achieves a 65kA interrupting rating at 480V, complying with relevant industry standards for safety and performance. Its integrated 120V AC shunt trip enables remote tripping capability, making it suitable for applications in manufacturing facilities, commercial buildings, and other environments requiring coordinated electrical protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection with LI (Long-time and Instantaneous) Functions
  • Voltage Rating: 480V AC
  • Current Rating: 150A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • AIC Rating: 65kA @ 480V
  • Additional Feature: Complete with 120V AC Shunt Trip
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Weight: 13 lb


Product Identification
  • Manufacturer Part Number: KC341501021