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Cutler Hammer 3MCB400R - Main Breaker Panelboard 400A 208V 3-Phase

Cutler Hammer
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Cutler Hammer 3MCB400R is a 400A main breaker panelboard from the Series C family, designed for primary overcurrent protection in three-phase power distribution systems. It operates at 208V with a 400A current rating and features a three-wire, three-phase configuration with an aluminum bus. The panel measures 13.8 inches in depth, 39.4 inches in height, and 27 inches in width, weighing 101 lb, and is constructed as a main breaker style enclosure for industrial environments. This unit complies with applicable UL and NEMA standards for panelboard installations. It is typically used in commercial and industrial facilities for branch circuit protection and load management.

Key Features & Specifications
  • Type: Main Breaker Panelboard, Series C
  • Voltage Rating: 208V AC
  • Current Rating: 400A
  • Dimensions: 13.8 in x 39.4 in x 27 in (Length/Depth x Height x Width)
  • Weight: 101 lb
  • Bus Type: Aluminum
  • Wire: 3
  • Phase: 3
  • Panel Style: Main Breaker
  • Installation Type: Panelboard
  • Circuit Breaker Mounting Style: Bolt-on
  • Standards: UL, NEMA
  • Applications: Commercial and industrial power distribution


Product Identification
  • UPC: 78684905324
  • GTIN: 00786849053246