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Square D QGL32125 - 125A 3-Pole Molded Case Circuit Breaker

Square D
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The Square D QGL32125 is a Powerpact molded case circuit breaker designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 125A current rating and a 240V AC voltage rating, housed within a compact Q-frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 4.751 lb. This thermal-magnetic breaker with LI (Long-time and Instantaneous) trip functions is constructed with lug terminals for feed-thru connection of AWG 4 or 300 KCMil aluminum/copper wire and operates reliably in temperatures from -25°C to 70°C. It complies with UL, CSA, NEMA, and NOM standards and offers a 65kA interrupting capacity at 240V, making it suitable for protecting feeders and branch circuits in commercial and industrial panelboards.

Key Features & Specifications
  • Type: QGL Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA @ 240V
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time & Instantaneous)
  • Frame Size: Q
  • Trip Type: Thermal Magnetic
  • Terminal Connection: Lug
  • Wire Size: AWG 4, 300 KCMil Aluminum/Copper
  • Certification: UL, CSA, NOM
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Weight: 4.751 lb


Product Identification
  • UPC: 785901705680
  • GTIN: 00785901705680