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Eaton Cutler-Hammer QBHW1045 - Molded Case Circuit Breaker 45A 240V 1-Pole

Cutler Hammer
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Eaton Cutler-Hammer QBHW1045 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 45A current rating and a 240V AC voltage rating, housed in a compact 1-inch square bolt-on configuration for single-phase applications. The breaker utilizes a thermal-magnetic trip mechanism for both long-time delay and instantaneous protection, is HACR rated for HVAC equipment, and is constructed to operate within a temperature range of -25°C to 70°C (-13°F to 158°F). This UL Listed and CSA Certified device offers a 22kA interrupting capacity and is commonly applied in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 1 in x 1 in x 1 in (L/D x H x W)
  • Standards: HACR Rated
  • Applications: Panelboards, Switchboards, Motor Control Centers
  • Poles: 1
  • Phase: 1
  • AIC Rating: 22kA @ 240V
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Connection: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL Listed, CSA Certified
  • Family: Quicklag
  • Weight: 1 lb


Product Identification
  • UPC: 786679152461
  • GTIN: 00786679152461