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Cutler Hammer QBHW2045 - 2-Pole Thermal Magnetic Breaker (45A, 240V)

Cutler Hammer
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Cutler Hammer QBHW2045 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 45A current rating and a 240V AC voltage rating, housed within a compact, bolt-on configuration measuring 3.1 in (L) x 0.9 in (H) x 2 in (W) and weighing 0.3 lb. This thermal-magnetic breaker is UL Listed and CSA Certified, meeting HACR standards for heating, air conditioning, and refrigeration equipment compatibility. Its 22kA interrupting rating at 240V and long-time with instantaneous (LI) trip functions make it suitable for protecting feeders and branch circuits in commercial and light industrial panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 3.1 in x 0.9 in x 2 in (Length x Height x Width)
  • Standards: HACR Rated
  • Applications: Commercial and Light Industrial Feeder/Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 1
  • Amperage: 45A
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Certification: UL Listed, CSA Certified
  • Family: Quicklag
  • Weight: 0.3 lb


Product Identification
  • UPC: 786679152478
  • GTIN: 00786679152478