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Square D KA361751021 - 175A Molded Case Breaker (3-Pole, 600V)

Square D
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Square D KA361751021 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 175A continuous current rating, housed within a compact K-frame design with a plug-in I-Line style connection for simplified installation. This thermal-magnetic breaker utilizes long-time and instantaneous (LI) trip functions and offers an interrupting capacity of 25kA at 480V AC, complying with relevant industry standards for safety and performance. Its integrated 120V AC shunt trip device facilitates remote tripping capabilities, making it suitable for applications in panelboards, switchboards, and industrial control panels where coordinated protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 175A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3-Phase
  • AIC Rating: 25kA @ 480V AC
  • Connection: I-Line Style Plug-In
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Additional Feature: Includes 120V AC Shunt Trip Device
  • Protection: Thermal Magnetic
  • Family: I-Line
  • Weight: 13 lb


Product Identification
  • Manufacturer Part Number: KA361751021