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Square D QOB120PL - Molded Case Circuit Breaker 20A 1-Pole

Square D
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Square D QOB120PL 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 in a compact, bolt-on unit measuring 4.6 in (116 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D and weighing 0.5 lb. This breaker is CSA and UL Listed, ensuring compliance with key North American safety standards for thermal-magnetic protection. Its typical applications include protecting branch circuits in industrial control panels, HVAC systems, and lighting panels.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Dimensions: 4.6 in (116 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D
  • Standards: CSA, UL Listed
  • Applications: Industrial Control Panels, HVAC, Lighting Panels
  • Switch Type: Circuit Breaker
  • Configuration: Single-Pole
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Frame Size: QOB Series
  • Trip Type: Thermal Magnetic
  • Panel Type: Compatible with QO® Load Centers
  • Breaker Type: QOB
  • Terminal Connection: Pressure Plate
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-Phase
  • Standards: UL Listed, CSA Certified
  • Compatible Frames: QO® Load Centers
  • Installation Type: Bolt-On
  • Wire Size: AWG 14 to AWG 2, AWG 12 to AWG 2 (Copper or Aluminum)
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Operating Temperature Maximum Celsius: 70°C


Product Identification
  • UPC: 785901095569
  • GTIN: 00785901416722