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Square D QOB315GFI - GFCI Circuit Breaker 15A 3-Pole

Square D
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Square D QOB315GFI is a three-pole molded case circuit breaker designed to provide ground fault protection and overcurrent interruption in three-phase electrical systems. It features a 15A current rating and a 120/240VAC voltage rating, with a 10kA interrupting capacity at 240V for reliable fault clearing. The breaker's compact dimensions of 105 mm x 57 mm x 74 mm (H x W x D) and 1.41 lb weight facilitate installation in QO load centers and NQ panelboards using its bolt-on connection and pressure plate terminals compatible with AWG 14 to 8 copper or aluminum wire. It is UL Listed and CSA certified, meeting industry standards for safety and performance with its thermal-magnetic protection and Class A (5mA) ground fault interrupter functionality. This unit is typically applied in commercial and light industrial environments requiring dedicated ground fault circuit protection for equipment and branch circuits.

Key Features & Specifications
  • Type: Three-pole, bolt-on, molded case circuit breaker with Class A (5mA) Ground Fault Circuit Interrupter (GFCI) and thermal-magnetic protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 15A
  • Frame Size: 100A/QO
  • Interrupting Rating (AIC): 10kA @ 240V
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size Range: 14 AWG to 8 AWG (copper or aluminum)
  • Dimensions: 4.1 in (105 mm) H x 2.2 in (57 mm) W x 2.9 in (74 mm) D
  • Weight: 1.41 lb
  • Standards & Certification: UL Listed, CSA
  • Protection Functions: Long-time and instantaneous (LI) overcurrent, Ground Fault (Class A)
  • Panel Type: Compatible with QO Load Centers and NQ Panelboards
  • Operating Temperature Range: 104°F (40°C)


Product Identification
  • UPC: 094714747771
  • GTIN: 00785901811183