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Square D QOB2201021 - Molded Case Circuit Breaker (20A, 2-Pole)

Square D
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Square D QOB2201021 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 20A current rating and a 120/240VAC voltage rating, housed within a compact 100A/QO frame with bolt-on connection and pressure plate terminals for secure installation. The breaker is constructed with a thermal magnetic trip mechanism providing both long-time and instantaneous (LI) protection functions, and it is built to a physical dimension of 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D with a weight of 0.9 lb. It complies with CSA and UL Listed standards, ensuring adherence to industry safety and performance requirements, and is typically applied in Square D NQOD panelboards for commercial and light industrial applications.

Key Features & Specifications
  • Type: Molded Case, Shunt Trip, Thermal Magnetic Protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Frame Size: 100A/QO
  • AIC Rating: 10kA @ 120V
  • Poles: 2
  • Phase: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Functions: LI - Long-Time and Instantaneous
  • Panel Type: Square D NQOD Panelboards
  • Standards & Certification: CSA, UL Listed
  • Dimensions: 3.0 in (76 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 0.9 lb
  • Temp Rating: Minimum Operating Temp 104°F, Max Operating Temp 104°F
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 8 AWG
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901494256
  • GTIN: 00785901494256