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Cutler Hammer GHB3040S1 - Molded Case Circuit Breaker 40A 480V 3P

Cutler Hammer
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Cutler Hammer GHB3040S1 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 for long-time and instantaneous (LI) protection, utilizes a bolt-on, screw clamp terminal connection, and is certified to UL 544 standards with CSA and UL listings. It is engineered for integration into Eaton Powerline panelboards, offering a 14kA interrupting capacity at 480V and reliable operation within a temperature range of -2 to 70 °C (28 to 158 °F).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal-Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Frame Size: 100/GHB
  • Poles: 3
  • Phase: 3
  • AIC Rating: 14kA @ 480V
  • Connection: Bolt-On
  • Terminal Connection: Screw Clamp
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Protection: Thermal Magnetic
  • Panel Type: Eaton Powerline Panelboards
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Dimensions: 2.63 in (Depth) x 4 in (Height) x 3 in (Width)
  • Weight: 1.75 lb
  • Standards: UL 544
  • Certification: CSA Certified, UL Listed
  • Breaker Type: Standard
  • Family: Series C
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679029794
  • GTIN: 00786679029794