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Square D HJA36125US - 125A 3-Pole Molded Case Circuit Breaker (600V)

Square D
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Square D HJA36125US is a 3-pole PowerPact H molded case circuit breaker designed for thermal magnetic overcurrent protection in commercial and industrial power distribution systems. It is rated for 125A continuous current at 600VAC, with a high interrupting capacity of 65kA at 480VAC and an LI (Long-Time and Instantaneous) trip function. The unit weighs 5 lb and features an I-Line style plug-in connection for secure panel mounting, with a toggle control type and a non-interchangeable trip unit. It is UL 489 listed and meets multiple international certifications, ensuring compliance with safety and performance standards. This breaker is suitable for switchboards, panelboards, and motor control centers requiring reliable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HJA
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 125A
  • Part Number: HJA36125US
  • Series/Frame: PowerPact H
  • Amperage: 125A
  • Mounting Type: I-Line Plug-In
  • Interrupt Rating: 25kA @ 480V
  • Control Type: Toggle
  • Certifications: UL 489 Listed
  • Continuous Current Rating: 80%


HJA36125US