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Square D QOU120HM - Molded Case Circuit Breaker 20A 1-Pole

Square D
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Square D QOU120HM is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase electrical systems. It features a 20A current rating and a 120/240V voltage rating, housed within a compact 100A frame with dimensions of 4.05 in (102.87 mm) H x 0.75 in (19.05 mm) W x 2.95 in (74.93 mm) D and a weight of 0.37 lb. This thermal-magnetic, high-magnetic trip breaker is constructed with a bolt-on connection and slotted box lug terminals, complying with CSA, IEC, and UL standards. It is engineered for typical applications in air conditioning, refrigeration equipment, and heating panels, operating effectively within a temperature range of -25 to 70 °C.

Key Features & Specifications
  • Type: Molded Case, Thermal-Magnetic, High Magnetic Trip, QOU Series
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Frame Size: 100A/QOU
  • AIC Rating: 10kA @ 120V
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Slotted Box Lug (Reversible Line and Load)
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Wire Size: 14 AWG to 2 AWG (Aluminium/Copper)
  • MCM Size: Min. 14 AWG, Max. 2 AWG
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Dimensions: 4.05 in H x 0.75 in W x 2.95 in D (102.87 mm x 19.05 mm x 74.93 mm)
  • Weight: 0.37 lb
  • Standards: CSA, IEC, UL Listed
  • Certification: IEC, UL Listed
  • Panel Type: Air Conditioning and Refrigeration Equipment, Heating
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901371458
  • GTIN: 00785901371458