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Eaton GB2040 - Molded Case Circuit Breaker 40A 2-Pole

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Eaton GB2040 is a two-pole, 40A molded case circuit breaker from the Series C G-frame line, designed for thermal magnetic overcurrent protection in industrial and commercial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a 240V voltage rating and a 65kA interrupting capacity at 240VAC, operating on a single-phase system. The unit features a feed-thru connection, a bolt-on mounting type, and weighs 2 lb, with a compact physical profile measuring 2.9 inches in height and 6.2 inches in depth. It is UL 489 listed and CSA certified for safety and reliability in electrical installations. This breaker is suitable for use in panelboards, switchgear, and other power distribution equipment requiring dependable overload and short-circuit protection.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: GB
  • Weight: 2 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: G Frame
  • Voltage Rating: 240V
  • Poles: 2
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@240V
  • Phase: 1
  • Current Rating: 40A
  • 40A continuous current rating
  • 2 pole configuration
  • Series C G-frame design
  • Thermal magnetic trip unit
  • Fixed thermal trip
  • Mounting type: Bolt-on
  • UL 489 listed
  • CSA certified
  • Interrupting rating: 65kA @ 240VAC, 14kA @ 480VAC
  • Voltage rating: 600Y/347 Vac, 125/250 Vdc
  • Product height: 2.9 in
  • Product length/depth: 6.2 in