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Cutler Hammer QBHW3045H - 3-Pole Thermal-Magnetic Breaker

Cutler Hammer
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Cutler Hammer QBHW3045H is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 45A current rating and a 240V AC voltage rating, housed in a compact bolt-on configuration measuring 3.8 in (L) x 4.4 in (H) x 3.3 in (W) with a weight of 1.15 lb. The breaker is HACR rated and complies with UL and CSA standards, utilizing a thermal-magnetic trip mechanism for both long-time and instantaneous protection against overloads and short circuits. Its 22kA interrupting rating at 240V and wide operating temperature range from -25°C to 70°C (-13°F to 158°F) make it suitable for demanding applications in commercial and industrial panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 3.8 in x 4.4 in x 3.3 in (L x H x W)
  • Standards: HACR Rated
  • Applications: Industrial & Commercial Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 3
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Wire Size: 14 to 4 AWG, Cu/Al
  • Certification: UL Listed, CSA Certified
  • Family: Quicklag
  • Item Subcategory: Molded Case
  • Country of Origin: Dominican Republic


Product Identification
  • UPC: 786679393420
  • GTIN: 00786679393420