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Eaton Cutler Hammer 505C220G21 - Molded Case Breaker 250A 600V 3-Pole

Cutler Hammer
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Eaton Cutler Hammer 505C220G21 is a 3-pole molded case circuit breaker from the MARK 75 family, designed for thermal magnetic protection with LI (Long-Time and Instantaneous) functions. It is rated for 600V AC, 250A continuous current, and delivers an interrupting capacity of 35kA at 480V AC, with a bolt-on connection for secure panel mounting. Weighing 54 lb, this HMA type breaker features a robust molded case construction suitable for industrial environments. It complies with applicable UL and NEMA standards for overcurrent protection in power distribution systems. Typical applications include motor control centers, switchboards, and industrial feeder circuits requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA@480V
  • Phase: 3
  • Family: MARK 75
  • Type: HMA
  • Weight: 54 lb
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Item Subcategory: Molded Case
  • Manufacturer: Eaton


Product Identification
  • UPC: Not available
  • GTIN: Not available