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Cutler Hammer QBGFT1040 - Molded Case Breaker 40A 1P 120V

Cutler Hammer
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The Cutler Hammer QBGFT1040 is a molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for industrial and commercial electrical systems. It features a 40A current rating and a 120V AC voltage rating, housed within a compact 1 in x 1 in x 1 in bolt-on configuration. This single-pole breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous protection, is UL certified, and offers a 10kA interrupting capacity at 120V. Its construction supports copper or aluminum conductors from 8 AWG to 6 AWG and operates effectively across a temperature range of -25°C to 70°C (-13°F to 158°F), making it suitable for panelboards, switchboards, and motor control applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120V AC
  • Current Rating: 40A
  • Dimensions: 1 in x 1 in x 1 in (L/D x H x W)
  • Weight: 0.5 lb
  • Standards: UL Certified
  • Applications: Panelboards, Switchboards, Motor Control
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 8 AWG to 6 AWG, Cu/Al
  • Certification: UL


Product Identification
  • UPC: 786680130991
  • GTIN: 00786680130991