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Square D HJA36125UPYP - Molded Case Circuit Breaker 125A 600V 3-Pole

Square D
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Square D HJA36125UPYP is a three-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 125A continuous current at 600V AC, with an interrupting capacity of 65kA at 480V AC. The unit weighs 12.5 lb and features an I-Line style plug-in connection for direct mounting on panelboard bus bars. It provides LI (Long-Time and Instantaneous) protection via a thermal magnetic trip mechanism, ensuring reliable response to both overloads and short circuits. This breaker is suitable for use in commercial and industrial switchboards, motor control centers, and distribution panels requiring high fault current withstand.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Trip
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 12.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, motor control centers, switchboards


Product Identification
  • UPC: 785901891105
  • GTIN: 00785901891105