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Cutler-Hammer HND312T36W - 1200A Molded Case Breaker (65kA AIC, LSIG)

Cutler Hammer
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The Cutler-Hammer HND312T36W is a molded case circuit breaker designed to provide comprehensive overcurrent and ground fault protection for high-capacity three-phase industrial power systems. It features a 1200A current rating and a 600V voltage rating, housed within a robust N-frame construction measuring 5.5 in (D) x 8.25 in (H) x 8.25 in (W) and weighing 52.05 lb. This solid-state, bolt-on breaker is HACR rated and complies with industry standards, offering LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault) protection functions. It is engineered for demanding applications such as main service entrance protection, feeder distribution, and large motor control centers, with an interrupting capacity of 65kA at 480V AC.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid-State Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 1200A
  • Frame Size: N Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Protection Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Certification: HACR Rated
  • Dimensions: 5.5 in (Depth) x 8.25 in (Height) x 8.25 in (Width)
  • Weight: 52.05 lb
  • Family: Series C
  • Country of Origin: United States


Product Identification
  • UPC: 786679252789
  • GTIN: 00786679252789