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Cutler Hammer QB1020EP - Molded Case 20A 1-Pole Breaker

Cutler Hammer
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Cutler Hammer QB1020EP is a 1-pole molded case circuit breaker from the QUICKLAG family, designed for overcurrent protection in residential and commercial power distribution. It is rated for 120V AC, 20A continuous current, with a 10kA interrupting capacity at 120V, and provides long-time and instantaneous thermal-magnetic trip functions. This bolt-on breaker measures 3.5 inches in depth, 1 inch in height, and 3.5 inches in width, weighing 0.45 lb, and accepts wire sizes from AWG 14 to AWG 4. It operates within a temperature range of -13°F to 158°F (-25°C to 70°C) and is suitable for single-phase applications. Typical uses include branch circuit protection in load centers and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, QUICKLAG family, QB series
  • Voltage Rating: 120V AC
  • Current Rating: 20A
  • Poles: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic (Long Time and Instantaneous Trip)
  • AIC Rating: 10kA@120V
  • Phase: 1
  • Wire Size: AWG 14 to AWG 4
  • Dimensions: 3.5 in x 1 in x 3.5 in (Length/Depth x Height x Width)
  • Weight: 0.45 lb
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Standards: UL listed, CSA certified
  • Applications: Branch circuit protection in load centers and panelboards


Product Identification
  • UPC: 786679185995
  • GTIN: 00786679185995