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Square D QOB120-1021 - Molded Case Circuit Breaker 20A 1-Pole

Square D
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Square D QOB120-1021 is a single-pole molded case circuit breaker designed to provide reliable overcurrent protection for 120/240VAC residential and light commercial electrical circuits. It features a 20A current rating and a 10kA interrupting capacity at 120V, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection. The breaker is constructed with a compact, bolt-on connection design using a pressure plate terminal for secure installation and is built to a weight of 1 lb. It complies with UL and CSA standards, ensuring safety and reliability for use in load centers and panelboards requiring listed components.

Key Features & Specifications
  • Type: QOB Series, Molded Case, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Phase: 1
  • Poles: 1
  • AIC Rating: 10kA @ 120V
  • Functions: LI (Long-Time and Instantaneous)
  • Terminal Connection: Pressure Plate
  • Standards & Certification: UL Listed, CSA
  • Weight: 1 lb


Product Identification
  • UPC: 785901494195
  • GTIN: 00785901494195