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Square D QDA32125 - Molded Case Circuit Breaker 125A 3P (25kA AIC)

Square D
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Square D QDA32125 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 125A continuous current rating and a 240V AC voltage rating, housed within a compact, rugged frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 6.7 lb. The breaker is constructed for plug-in connection to I-Line panelboards and complies with UL, CSA, NEMA, and NOM standards, making it suitable for a wide range of commercial and industrial applications requiring thermal-magnetic protection.

Key Features & Specifications
  • Type: Standard thermal-magnetic molded case circuit breaker with long-time and instantaneous trip functions
  • 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 power distribution, I-Line panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • AIC Rating: 25kA @ 240V
  • Connection: Plug In Panelboard
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 250A/QD
  • Panel Type: I Line Panelboards
  • Breaker Type: Standard
  • MCM Size: Min. Wire Size 4 AWG, Max. Wire Size 300 MCM
  • Terminal Connection: Lug
  • Phase Connection: ABC
  • Certification: UL, CSA, NOM


Product Identification
  • UPC: 785901702900
  • GTIN: 00785901702900