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Cutler Hammer QC1055 - Molded Case 55A 240V (1-Pole)

Cutler Hammer
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Cutler Hammer QC1055 is a 1-pole molded case circuit breaker from the QUICKLAG family, designed for thermal magnetic overcurrent protection in branch circuits. It is rated for 240V AC, 55A, with an AIC rating of 10kA at 120V, providing LI (Long-Time and Instantaneous) protection functions. The unit features a feed-thru connection, measures 3.8 in x 5 in x 0.5 in (Length/Depth x Height x Width), and weighs 3 lb. This breaker complies with industry standards for single-phase applications and is typically used in industrial panelboards and load centers for reliable circuit isolation and fault interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QUICKLAG family, QC type, thermal magnetic operation
  • Voltage Rating: 240V AC
  • Current Rating: 55A
  • Dimensions: 3.8 in x 5 in x 0.5 in (Length/Depth x Height x Width)
  • Standards: Industry standard for single-phase applications
  • Applications: Industrial panelboards and load centers
  • Poles: 1
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@120V
  • Phase: 1
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 3 lb


Product Identification
  • UPC: 78667930909
  • GTIN: 00786679309094