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Square D MA263501021 - Molded Case Circuit Breaker 350A 600V

Square D
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Save $-1,395.67
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The Square D MA263501021 is a 2-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It features a 600V voltage rating and a 350A current rating, providing LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. This M Frame breaker weighs 38 lb and utilizes an I-Line style plug-in connection, complete with a 120V shunt trip for remote tripping capability. It is rated for 30kA interrupting capacity at 480V and operates on a single-phase system, complying with industry standards for reliable circuit protection. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers within commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, MA Type
  • Voltage Rating: 600V
  • Current Rating: 350A
  • Poles: 2
  • Phase: 1
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • AIC Rating: 30kA@480V
  • Frame Size: M Frame
  • Weight: 38 lb
  • Additional Info: Complete with 120V shunt trip