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Square D MA264501121 - Molded Case Circuit Breaker 450A 600V

Square D
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The Square D MA264501121 is a molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions, rated for 600V at 450A with a 30kA interrupting capacity at 480V. This 2-pole, 1-phase unit features a thermal magnetic trip mechanism and an I-Line style plug-in connection, housed in an M Frame weighing 38 lb. The breaker complies with applicable industry standards for molded case circuit breakers. It is suited for use in panelboards, switchboards, and other commercial or industrial electrical distribution equipment requiring reliable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, MA Type
  • Voltage Rating: 600V
  • Current Rating: 450A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 30kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Weight: 38 lb


Product Identification
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