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Square D HJA36125SV - Powerpact 125A 3-Pole 600V Circuit Breaker

Square D
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Square D HJA36125SV is a Powerpact molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole, 125A unit operates at 600VAC with a 65kA interrupting capacity at 480V, providing robust fault current mitigation. The breaker features an I-Line style plug-in connection and thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions, housed in a compact 5 lb frame. It is UL-listed and meets industry standards for commercial and industrial applications, including motor control centers and panelboards. Typical uses include branch circuit protection in manufacturing facilities, data centers, and heavy machinery installations, with the integrated 60Vdc shunt trip enabling remote emergency disconnect.

Key Features & Specifications
  • Type: Powerpact Molded Case Circuit Breaker, HJA frame, thermal magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • AIC Rating: 65kA at 480V
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Phase: 3
  • Weight: 5 lb
  • Additional Info: Complete with 60Vdc shunt trip
  • Functions: Long-Time and Instantaneous trip


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