Eaton Cutler Hammer GHB3040 - 40A 3-Pole Molded Case Circuit Breaker
Eaton Cutler Hammer GHB3040 - 40A 3-Pole Molded Case Circuit Breaker
Eaton Cutler Hammer GHB3040 - 40A 3-Pole Molded Case Circuit Breaker
Eaton Cutler Hammer GHB3040 - 40A 3-Pole Molded Case Circuit Breaker

Eaton Cutler Hammer GHB3040 - 40A 3-Pole Molded Case Circuit Breaker

Cutler Hammer
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Eaton Cutler Hammer GHB3040 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 40A current rating and a 480V AC voltage rating, housed within a compact 100/GHB frame with dimensions of 2.63 in (D) x 4 in (H) x 3 in (W) and a weight of 1.75 lb. The breaker is constructed with a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection, achieves a 14kA interrupting rating at 480V, and complies with UL 541 standards while being CSA Certified and UL Listed. Its bolt-on connection, screw clamp terminals accommodating 10 to 1/0 AWG wire, and an operating temperature range of -2 to 70 °C make it suitable for installation in Eaton Powerline panelboards and similar industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Dimensions: 2.63 in (Depth) x 4 in (Height) x 3 in (Width)
  • Standards: UL 541, CSA Certified, UL Listed
  • Applications: Three-Phase Industrial Power Distribution, Panelboard Protection
  • Switch Type: Standard
  • Configuration: Fixed
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Frame Size: 100/GHB
  • Panel Type: Eaton Powerline Panelboards
  • Breaker Type: Standard
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Connection: Bolt-On
  • Terminal Connection: Screw Clamp
  • Wire Size: 10 to 1/0 AWG
  • MCM Size: Min. 10 AWG, Max. 1/0 AWG
  • Family: Series C
  • Country of Origin: Dominican Republic
  • Weight: 1.75 lb


Product Identification
  • UPC: 78667991128
  • GTIN: 00786679911280