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Square D MA36300 - Molded Case Circuit Breaker 300A 3P (30kA AIC)

Square D
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Save $-5,623.29
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Square D MA36300 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 300A current rating and a 600V AC voltage rating, housed within a robust M-Frame construction with a plug-in I-Line connection for simplified installation. This thermal-magnetic breaker complies with industry standards, offering both long-time and instantaneous (LI) trip functions with an interrupting capacity of 30kA at 480V AC. Its design is typically applied in panelboards and switchboards for protecting feeders and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: M Frame
  • Poles: 3
  • Phase: 3-Phase
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 30kA @ 480V AC
  • Weight: 38 lb
  • Family: I-Line
  • Item Subcategory: Molded Case