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Square D QOB1201021 - Molded Case Breaker 20A 1-Pole (10kA AIC)

Square D
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Square D QOB1201021 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 20A current rating and a 120/240VAC voltage rating, housed within a compact, bolt-on design measuring 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.281 lb. This shunt trip breaker complies with CSA and UL standards, utilizing a thermal magnetic protection mechanism with long-time and instantaneous (LI) trip functions for safety. Its typical application is within Square D NQOD panelboards, where it offers a 10kA interrupting capacity at 120V and operates reliably across a temperature range of -25°C to 70°C (-13°F to 158°F).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Shunt Trip, Thermal Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • Poles: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 AWG to 8 AWG (Copper/Aluminum)
  • Dimensions: 3.0 in H x 1.5 in W x 2.9 in D (76 mm x 38 mm x 74 mm)
  • Weight: 0.281 lb
  • Standards: CSA, UL Listed
  • Certification: UL Listed
  • Phase: 1
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Panel Type: Square D NQOD Panelboards
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901494195
  • GTIN: 00785901494195