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Cutler-Hammer GHB3020I - 3P 20A Molded Case Breaker (480V, 14kA)

Cutler Hammer
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The Cutler-Hammer GHB3020I is a three-pole, bolt-on molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 20A current rating and a 480V AC voltage rating, with a compact physical footprint of 2.875" x 4" x 3" (LxHxW) and a weight of 1.45 lb. This thermal-magnetic breaker, compliant with UL 526 and certified by both CSA and UL, incorporates long-time and instantaneous (LI) trip functions and offers an interrupting capacity of 14kA at 480V. It is engineered for operation in ambient temperatures from -2°C to 70°C (28°F to 158°F) and is typically installed in Eaton Powerline panelboards to protect motor and feeder circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 20A
  • Frame Size: 100/GHB
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Trip Functions: LI (Long-time and Instantaneous)
  • Connection: Bolt-On, Screw Clamp Terminal
  • Breaker Type: Standard
  • Panel Type: Eaton Powerline Panelboards
  • Operating Temperature: -2°C to 70°C (28°F to 158°F)
  • Dimensions: 2.875 in (Depth) x 4 in (Height) x 3 in (Width)
  • Weight: 1.45 lb
  • Standards: UL 526
  • Certification: CSA Certified, UL Listed
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 782114312322
  • GTIN: 00782114312322