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Square D MJM36300 - Powerpact 300A 3P 600V Molded Case Breaker

Square D
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The Schneider Electric Square D MJM36300 is a Powerpact molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It features a 300A continuous current rating with a 600VAC voltage rating and a 65kA interrupting capacity at 480VAC, utilizing solid-state trip technology for precise LI (Long-Time and Instantaneous) protection. This three-pole, bolt-on unit weighs 29 lb and is built on an M Frame, ensuring robust construction for demanding environments. It complies with applicable UL and NEMA standards for industrial circuit protection. Typical applications include service entrance, feeder, and branch circuit protection in manufacturing plants, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Powerpact Molded Case Circuit Breaker
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Connection: Bolt-On
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Weight: 29 lb
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Type: MJM


Product Identification
  • UPC: Not available
  • GTIN: Not available