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Square D KA36125MT - 125A 3-Pole Molded Case Circuit Breaker

Square D
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Square D KA36125MT is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 600V AC voltage rating, housed within a robust K-frame construction with a plug-in I-Line connection style for simplified installation. This thermal-magnetic breaker provides combined long-time and instantaneous (LI) trip functions and offers an interrupting capacity of 25kA at 480V AC, ensuring compliance with industry protection standards for commercial and industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3-Phase
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 25kA @ 480V AC
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Breaker Type: KA
  • Weight: 13 lb


Product Identification
  • Manufacturer Part Number: KA36125MT