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Square D HJA36125UP - 125A 3-Pole Molded Case Breaker

Square D
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Square D HJA36125UP is a 3-pole Powerpact molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 125A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The unit weighs 5 lb and features an I-Line style plug-in connection for secure panel mounting, with a compact frame suitable for space-constrained installations. It complies with industry standards and carries an AIC rating of 65kA at 480V, ensuring robust fault current interruption. This breaker is commonly applied in 3-phase commercial and industrial switchboards, motor control centers, and distribution panels requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Powerpact HJA molded case circuit breaker, thermal magnetic operation
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA@480V
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Standards: UL, CSA, NEMA
  • Applications: Industrial switchboards, motor control centers, distribution panels
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Breaker Frame: Powerpact
  • Current Rating: 125A


Product Identification
  • UPC: Not available
  • GTIN: Not available