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Eaton HND312T77W - 1200A 3-Pole Molded Case Breaker

Cutler Hammer
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Eaton HND312T77W is a 3-pole, 1200A molded case circuit breaker from the Series C family, designed for solid-state LSIGA protection (Long-Time, Short-Time, Instantaneous, and Ground Fault Alarm) in industrial power distribution systems. It operates at 600VAC with a 65kA interrupting capacity at 480V, supporting 3-phase applications with a bolt-on connection and N Frame construction. The unit measures 5.5 inches in depth, 8.25 inches in height, and 8.25 inches in width, weighing 48 lb, and is UL Listed and HACR Rated for compliance with North American standards. This breaker is suited for protecting feeders and main service entrances in commercial and industrial facilities requiring precise, adjustable solid-state tripping.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600VAC
  • Current Rating: 1200A
  • Dimensions: 5.5 in x 8.25 in x 8.25 in (Depth x Height x Width)
  • Standards: UL Listed, HACR Rated
  • Applications: Industrial power distribution, feeder protection, main service entrance
  • Poles: 3
  • Connection: Bolt-On
  • Protection: LSIGA (Long-Time, Short-Time, Instantaneous, Ground Fault Alarm)
  • Frame Size: N Frame
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Weight: 48 lb
  • Family: Series C
  • Country of Origin: United States


Product Identification
  • UPC: 786679050170
  • GTIN: 00786679050170