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Square D MA366001021 - Molded Case Circuit Breaker 600A 600V

Square D
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The Square D MA366001021 is a 3-pole molded case circuit breaker from the I-Line family, designed to provide Long-Time and Instantaneous (LI) protection for industrial electrical systems. It is rated for 600V AC, 600A, and 3-phase operation, with an AIC rating of 30kA at 480V, and features a thermal magnetic protection mechanism. This unit weighs 38 lb, utilizes an I-Line style plug-in connection, and is built on an M Frame, complete with a 120V shunt trip for remote tripping capability. It complies with industry standards for molded case circuit breakers, making it suitable for use in distribution panels, switchboards, and motor control centers requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, I-Line Family, MA Type
  • Voltage Rating: 600V AC
  • Current Rating: 600A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 30kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Weight: 38 lb
  • Additional Info: Complete with 120V shunt trip


Product Identification