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Eaton Cutler-Hammer HKD3100Y - 100A 3-Pole Molded Case Circuit Breaker

Cutler Hammer
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Eaton Cutler-Hammer HKD3100Y is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power systems. It features a 100A continuous current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit offering long-time and instantaneous (LI) protection functions. The breaker is constructed with a durable K-frame and a three-pole, bolt-on configuration, weighing 13 lb for secure panel mounting. It complies with industry standards for circuit protection and is rated for an interrupting capacity of 65kA at 480V AC. Typical applications include use as a main or branch circuit protector in industrial control panels, switchboards, and distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Frame Size: K Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Connection Type: Bolt-On
  • Weight: 13 lb
  • Family: Series C
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer Part Number: HKD3100Y