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Square D QOB2301021 - 30A 2-Pole Shunt Trip Circuit Breaker

Square D
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Square D QOB2301021 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and industrial electrical systems. It features a 30A current rating and a 120/240VAC voltage rating, housed within a compact, bolt-on design measuring 76 mm H x 57 mm W x 74 mm D and weighing 0.9 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, is UL Listed and CSA certified, and is engineered for compatibility with Square D NQOD panelboards. Its 10kA AIC rating at 120V and shunt trip functionality make it suitable for applications requiring remote tripping capabilities in single-phase circuits.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Shunt Trip, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 30A
  • 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
  • Standards: UL Listed, CSA
  • Applications: Commercial and Industrial Electrical Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: 100A/QO
  • Trip Type: Thermal-Magnetic
  • Panel Type: Square D NQOD Panelboards
  • Breaker Type: Shunt Trip
  • Temp Rating: 40°C (104°F) Maximum Operating
  • MCM Size: 14 AWG Min. to 8 AWG Max. Wire Size
  • Terminal Connection: Pressure Plate
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901494300
  • GTIN: 00785901494300