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Eaton GHB3045I - 3-Pole 45A Circuit Breaker (480V, 14kA AIC)

Cutler Hammer
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The Eaton Cutler-Hammer GHB3045I is a three-pole, 45A molded case circuit breaker providing reliable thermal-magnetic protection for three-phase industrial power distribution systems rated up to 480V AC. It features a compact bolt-on connection within a 100/GHB frame, utilizing a screw clamp terminal design and LI (Long-time and Instantaneous) trip functions for coordinated overcurrent protection. Constructed for durability, this UL 547 listed and CSA certified breaker operates within an ambient temperature range of -2 to 70 °C (28 to 158 °F) and offers an interrupting capacity of 14kA at 480V. It is designed for integration into Eaton Powerline panelboards to safeguard motors, feeders, and branch circuits in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 45A
  • Dimensions: 2.63" L x 4" H x 3" W (66.8mm x 101.6mm x 76.2mm)
  • Standards: UL 547
  • Applications: Industrial power distribution, motor protection, panelboard integration
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Poles: 3
  • Protection: Thermal-Magnetic
  • Functions: LI (Long-Time & Instantaneous Trip)
  • Frame Size: 100/GHB
  • Breaker Type: Standard
  • Panel Type: Eaton Powerline Panelboards
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Terminal Connection: Screw Clamp
  • Connection: Bolt-On
  • Certification: CSA Certified, UL Listed
  • Weight: 2.1 lb


Product Identification
  • Manufacturer Part Number: GHB3045I
  • Family: Series C
  • Country of Origin: Dominican Republic