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Square D QOB1301021 - Molded Case Circuit Breaker 30A 1-Pole

Square D
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Square D QOB1301021 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 30A current rating and a 120/240VAC voltage rating, housed within a compact 76mm x 38mm x 74mm (HxWxD) bolt-on frame. This thermal-magnetic shunt trip breaker is constructed for use in Square D NQOD panelboards, offering 10kA interrupting capacity at 120V and compliance with CSA and UL standards for safety. Its pressure plate terminals accommodate wire sizes from 14 to 8 AWG aluminum or 14 to 10 AWG copper, making it suitable for a range of commercial and light industrial branch circuit applications.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic Shunt Trip Breaker with Long-Time and Instantaneous (LI) protection
  • Voltage Rating: 120/240VAC
  • Current Rating: 30A
  • Dimensions: 3.0 in (76 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D
  • Weight: 0.65 lb
  • Standards: CSA, UL Listed
  • Applications: Branch circuit protection in Square D NQOD panelboards for commercial/industrial use
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: 100A/QO
  • Breaker Type: Shunt Trip
  • Panel Type: Square D NQOD Panelboards
  • Temp Rating: Minimum Operating Temp 40°C (104°F), Maximum Operating Temp 40°C (104°F)
  • Terminal Connection: Pressure Plate
  • Wire Size: 14 to 8 AWG Aluminum, 14 to 10 AWG Copper
  • Certification: UL Listed
  • Family: QOB Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901494218
  • GTIN: 00785901494218