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Schneider Electric MJP36400 - 400A 3-Pole Molded Case Circuit Breaker

Schneider Electric
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Schneider Electric MJP36400 is a Powerpact molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. This three-pole, 400A unit operates at 600VAC with a solid-state trip unit providing LI (Long-Time and Instantaneous) protection functions and an interrupting rating of 65kA at 480VAC. The breaker features a compact M Frame construction with bolt-on connections, measures 12.86 inches in height by 4.44 inches in width by 3.09 inches in depth, and weighs 34 lb, accepting wire sizes from 3 x AWG 3/0 to 3 x 500 kcmil aluminum or copper. It complies with applicable UL and NEMA standards for molded case circuit breakers and is rated for operation in ambient temperatures from -25°C to 70°C. This breaker is suited for main or feeder protection in switchboards, panelboards, and industrial control panels requiring reliable solid-state tripping.

Key Features & Specifications
  • Type: Powerpact MJP Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: Height 12.86 in (326.64 mm) x Width 4.44 in (112.78 mm) x Depth 3.09 in (78.49 mm)
  • Standards: UL, NEMA
  • Applications: Main or feeder protection in switchboards, panelboards, industrial control panels
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State, LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Wire Size: 3 x AWG 3/0...3 x 500 kcmil aluminum/copper
  • Frame Size: M Frame
  • Weight: 34 lb


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