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Square D MGP36400 - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D MGP36400 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a compact M-frame design measuring 326.64 mm H x 210.06 mm W x 204.47 mm D and weighing 28.261 lb. The breaker utilizes solid-state, Long-Time and Instantaneous (LI) trip protection and is certified to UL, CSA, NOM, and IEC 60947-2 standards for global compliance. Its robust construction, with lug and terminal nut connections for 3/0 AWG to 500 kcmil copper/aluminum conductors, makes it suitable for demanding applications in manufacturing, data centers, and commercial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (MGP), Solid-State Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 326.64 mm H x 210.06 mm W x 204.47 mm D (12.86 in x 8.27 in x 8.05 in)
  • Weight: 28.261 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 35kA @ 480V
  • Connection: Din Rail Mount, Lug & Terminal Nut
  • Protection: Solid State, LI (Long-Time & Instantaneous)
  • Functions: Long-Time and Instantaneous Overcurrent Protection
  • Frame Size: M
  • Trip Type: Solid-State
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Wire Size: 3 x AWG 3/0 to 3 x 500 kcmil (Copper/Aluminum)
  • MCM Size: Min. 3/0 AWG, Max. 500 kcmil
  • Certification: UL, CSA, NOM
  • Terminal Connection: Lug, Terminal Nut
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901481331
  • GTIN: 00785901481331