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Square D QJA221252 - Molded Case 125A 2-Pole Breaker

Square D
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Square D QJA221252 is a 2-pole molded case circuit breaker from Schneider Electric designed for overcurrent protection in commercial and industrial power distribution systems. It provides a 125A current rating at 240VAC with a high 100kA interrupting capacity at 240V, utilizing LI (Long Time and Instantaneous) thermal magnetic protection. The unit features an I-Line style plug-in connection, measures 6.47 in (164.34 mm) in height by 3 in (76.2 mm) in width by 3.93 in (99.82 mm) in depth, and weighs 4.663 lb. It is certified to UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, with a temperature rating of -13 to 158 °F (-25 to 70 °C). This breaker is suitable for panelboard installations in single-phase applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Schneider Electric
  • Family: I-Line
  • Type: QJA
  • Poles: 2
  • Current Rating: 125A
  • Voltage Rating: 240V
  • AIC rating: 100kA@240V
  • Protection: Thermal Magnetic
  • Functions: LI - Long Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 1
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Dimensions: 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) (Height x Width x Depth)
  • Weight: 4.663 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Certification: UL, CSA, NOM
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901871897