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Square D QDA222251 - Molded Case Circuit Breaker 225A 240V

Square D
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Square D QDA222251 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 225A current rating and a 240V voltage rating, housed within a compact 250A/QD frame measuring 164.34 mm H x 76.2 mm W x 99.82 mm D and weighing 4.685 lb. This thermal-magnetic breaker is constructed for plug-in connection to I-Line panelboards and complies with UL, CSA, NEMA, and NOM standards, ensuring safe operation in environments from -25 to 70 °C. Its 25kA interrupting capacity at 240V and long-time plus instantaneous (LI) trip functions make it suitable for protecting feeders and branch circuits in single-phase applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 225A
  • Dimensions: 164.34 mm H x 76.2 mm W x 99.82 mm D (6.47 in x 3 in x 3.93 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial and Commercial Feeder/Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 25kA @ 240V
  • Connection: Plug In Panelboard
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: 250A/QD
  • Panel Type: I Line Panelboards
  • Breaker Type: Standard
  • MCM Size: Min. 4 AWG, Max. 300 MCM
  • Terminal Connection: Lug
  • Phase Connection: AB
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901949190
  • GTIN: 00785901949190