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Square D MA26500AC - Molded Case 500A 600V 2-Pole

Square D
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Square D MA26500AC is a 2-pole, 500A molded case circuit breaker from the I-Line family, designed for LI (Long-Time and Instantaneous) thermal-magnetic protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V with a 30kA interrupting capacity at 480V, and features an I-Line style plug-in connection for secure mounting in compatible panelboards. The M Frame construction weighs 40 lb and supports single-phase applications, providing reliable overcurrent protection through its thermal-magnetic trip mechanism. This breaker complies with industry standards for molded case circuit breakers, making it suitable for use in commercial and industrial electrical systems requiring high-current branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, MA Type
  • Voltage Rating: 600V
  • Current Rating: 500A
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 30kA@480V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Weight: 40 lb


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