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Square D MAR36800 - Molded Case 800A 3-Pole (600V)

Square D
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Square D MAR36800 is a 3-pole, 800A molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. This unit operates at a voltage rating of 600VAC and provides LI (Long-Time and Instantaneous) protection functions via a thermal magnetic trip mechanism. Weighing 38 lb, the breaker features an I-Line style plug-in connection for secure mounting on compatible bus systems, with a robust interrupting rating of 30kA at 480VAC. It is suitable for three-phase applications and complies with industry standards for reliable performance in demanding electrical environments. Typical applications include main or feeder protection in commercial and industrial switchboards and panelboards.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: MAR
  • Weight: 38 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 30kA@480V
  • Phase: 3
  • Current Rating: 800A
  • Series/Frame: MA
  • Certifications: UL, CSA, NMX, IEC
  • Application: Industrial Power Distribution