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Square D MA26800AC - Molded Case Circuit Breaker 800A 600V 2-Pole

Square D
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Square D MA26800AC is a 2-pole molded case circuit breaker from the I-Line family, designed to provide long-time and instantaneous (LI) protection for 800A, 600V electrical systems. This Type MA unit utilizes a thermal magnetic trip mechanism within an M Frame construction, delivering a 30kA interrupting capacity at 480V. Weighing 40 lb, it features an I-Line style plug-in connection for secure panel mounting in single-phase applications. The breaker complies with UL and CSA standards for industrial safety. It is typically deployed in commercial and industrial power distribution panels requiring reliable overload and short-circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: MA
  • Weight: 40 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 1
  • Current Rating: 800A
  • Amperage: 800 Amps
  • Interrupt Rating: 30kA at 480V, 42kA at 240V, 22kA at 600V
  • Mounting Style: I-Line Plug-In
  • Trip Unit: Thermal Magnetic
  • Certifications: UL Listed, CSA Certified