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Square D QOB130 - Molded Case Circuit Breaker 30A 1-Pole

Square D
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Square D QOB130 is a molded case circuit breaker designed for providing reliable overcurrent protection in commercial and light industrial electrical systems. It features a 30A current rating and a voltage rating of 120/240VAC for single-phase applications, housed within a compact, bolt-on design measuring 3.0 in (76 mm) H x 0.7 in (19 mm) W x 2.9 in (74 mm) D and weighing 0.25 lb. The breaker is constructed with thermal-magnetic protection for both long-time and instantaneous (LI) trip functions and complies with CSA and UL Listed standards. It is typically applied in Square D NQOD panelboards for branch circuit protection, supporting wire sizes from AWG 14 to AWG 2 for copper or aluminum conductors and offering a 10kA interrupting rating at 120V.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal-Magnetic Protection (LI)
  • Voltage Rating: 120/240VAC
  • Current Rating: 30A
  • Dimensions: 3.0 in H x 0.7 in W x 2.9 in D (76 mm x 19 mm x 74 mm)
  • Weight: 0.25 lb
  • Standards: CSA, UL Listed
  • Applications: Square D NQOD Panelboards, Branch Circuit Protection
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Poles: 1
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Frame Size: 100A/QO
  • Wire Size: AWG 14 to AWG 2 (Copper or Aluminum)
  • MCM Size: Min. 14 AWG, Max. 8 AWG
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Breaker Type: Standard
  • Panel Type: Square D NQOD Panelboards
  • Certification: UL Listed


Product Identification
  • UPC: 785901416760
  • GTIN: 00785901416760