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Eaton CNDC312T56W - 1200A 3-Pole Molded Case Breaker

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Eaton CNDC312T56W is a 1200A, 600V, 3-pole Series C molded case circuit breaker designed for primary circuit protection in industrial and commercial power distribution systems. It features an electronic LSIG trip unit (Long-Time, Short-Time, Instantaneous and Ground Fault) for precise solid-state protection, with a 100kA interrupting capacity at 480V. The N Frame unit measures 5.5 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 45 lb, and utilizes a bolt-on connection for secure installation. This breaker is 100% rated for continuous operation and complies with applicable industry standards for molded case circuit breakers. Typical applications include main switchboards, distribution panels, and heavy industrial equipment requiring reliable overcurrent and ground fault protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Model: CNDC312T56W
  • Type: CNDC Molded Case Circuit Breaker
  • Family: Series C (NG-frame)
  • Item Subcategory: Molded Case
  • Current Rating: 1200 A
  • Voltage Rating: 600 Vac
  • Poles: 3
  • Phase: 3
  • Frame Size: N Frame
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Protection: Solid State
  • Trip Unit: T172 Electronic LSIG
  • AIC rating: 100kA@480V
  • Connection: Bolt-On
  • Dimensions: 5.5 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Weight: 45 lb
  • Country of Origin: United States
  • 100% Rated for continuous operation


Product Identification
  • UPC: 782114408933
  • GTIN: 00782114408933