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Square D MA26300 - Molded Case Circuit Breaker 300A 2-Pole

Square D
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Save $-969.24
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Square D MA26300 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 300A current rating and a 600V AC voltage rating, housed within a compact M-Frame design with a plug-in I-Line connection for simplified installation. The breaker utilizes a thermal-magnetic trip mechanism offering both long-time and instantaneous (LI) protection functions and is rated for an interrupting capacity of 30kA at 480V AC. This unit is engineered for compliance with relevant industry standards and is typically applied in panelboards and switchboards for commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: M Frame
  • AIC Rating: 30kA @ 480V AC
  • Poles: 2
  • Phase: 1
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Weight: 38 lb