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Square D QH120 - Molded Case Circuit Breaker 20A 1-Pole

Square D
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Square D QH120 is a single-pole, plug-in molded case circuit breaker designed for providing reliable overcurrent protection in residential and light commercial electrical systems. It features a 20A current rating and 240V AC voltage rating, with a compact form factor measuring 76 mm H x 19 mm W x 74 mm D and a weight of 0.27 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, achieving a 65kA interrupting capacity at 240V, and is UL Listed and CSA certified for safety compliance. Its plug-in connection design facilitates straightforward installation in compatible load centers for branch circuit protection.

Key Features & Specifications
  • Type: QH, Molded Case, Thermal-Magnetic Protection, Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 3.0 in (76 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D
  • Standards: UL Listed, CSA
  • Applications: Branch circuit protection in residential/commercial panels
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole
  • AIC rating: 65kA @ 240V
  • Phase: 1
  • Connection: Plug-In
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: QO Series
  • Certification: UL Listed, CSA
  • Country of Origin: United States
  • Weight: 0.27 lb


Product Identification
  • UPC: 785901012870
  • GTIN: 00785901012870