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Square D MA263001121 - Molded Case 300A 600V

Square D
Price
Save $-2,100.63
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The Square D MA263001121 is a 2-pole molded case circuit breaker from the I-Line family, designed for thermal-magnetic protection with LI (Long-Time and Instantaneous) functions. It operates at a voltage rating of 600V and a current rating of 300A, with an AIC rating of 30kA at 480V for single-phase applications. This unit features an M Frame size, weighs 38 lb, and utilizes an I-Line Style Plug-In connection for secure installation. The breaker complies with industry standards for molded case circuit breakers, ensuring reliable overcurrent protection in industrial environments. Typical applications include distribution panels and switchboards requiring robust short-circuit and overload protection in commercial or industrial settings.

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