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Square D MA26600AC - Molded Case Breaker 600A 600V

Square D
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The Square D MA26600AC is a 2-pole molded case circuit breaker from the I-Line family, designed for thermal magnetic protection in industrial power distribution systems. It is rated for 600V AC and 600A continuous current, with an AIC rating of 30kA at 480V, providing LI (Long-Time and Instantaneous) trip functions for overload and short-circuit protection. This M Frame breaker weighs 40 lb and features an I-Line style plug-in connection for secure mounting in compatible panelboards, with a single-phase configuration. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial electrical systems requiring high-current capacity and selective coordination.

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


Product Identification
  • Manufacturer: Square D
  • Model: MA26600AC
  • Item Subcategory: Molded Case