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Cutler Hammer QCR2045 - 2-Pole 45A Thermal Magnetic Circuit Breaker

Cutler Hammer
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The Cutler Hammer QCR2045 is a molded case circuit breaker designed to provide reliable overcurrent protection for single-phase 240V AC branch circuits. It features a 45A current rating and a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous (LI) protection functions. The compact, two-pole unit has feed-thru connections and measures 4.6" L x 3.2" W x 1.2" H with a weight of 0.31 lb, constructed for durability. It is certified to UL, CSA, and HACR standards, ensuring compliance for use in commercial and light industrial electrical panels, HVAC equipment, and other applications requiring a listed 45A protective device.

Key Features & Specifications
  • Type: QCR Series Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 4.6 in (L) x 1.2 in (H) x 3.2 in (W)
  • Standards: UL Listed, CSA Certified, HACR Rated
  • Applications: Branch Circuit Protection in Commercial/Light Industrial Panels, HVAC
  • Phase: 1
  • Poles: 2
  • AIC Rating: 10kA @ 240V AC
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Family: QUICKLAG
  • Country of Origin: Dominican Republic
  • Weight: 0.31 lb


Product Identification
  • UPC: 786679144404
  • GTIN: 00786679144404