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Cutler Hammer QBHW1040 - 40A Thermal Magnetic Breaker (22kA AIC)

Cutler Hammer
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Cutler Hammer QBHW1040 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 40A current rating and a 240V AC voltage rating, housed within a compact, bolt-on configuration measuring 3.6 in (L) x 4.7 in (H) x 1.2 in (W) and weighing 0.3 lb. This single-pole breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, is HACR rated for HVAC equipment, and complies with UL and CSA standards. It is typically applied in panelboards and switchboards, offering an interrupting capacity of 22kA at 240V AC to safeguard against fault currents.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 40A
  • Dimensions: 3.6 in x 4.7 in x 1.2 in (Length x Height x Width)
  • Standards: HACR Rated
  • Applications: Industrial & Commercial Panelboards, Switchboards, HVAC Systems
  • Phase: 1
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • AIC Rating: 22kA @ 240V AC
  • Connection: Bolt-On
  • Certification: UL Listed, CSA Certified
  • Family: Quicklag
  • Weight: 0.3 lb


Product Identification
  • UPC: 786679392256
  • GTIN: 00786679392256