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Square D HJA36125UHYP - Molded Case Circuit Breaker 125A 3-Pole

Square D
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Square D HJA36125UHYP is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. This 125A unit is rated for 600VAC and features a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions, providing robust protection against overloads and short circuits. The breaker weighs 12.5 lb and utilizes an I-Line style plug-in connection for secure mounting, with a compact construction that supports wire sizes from 14 AWG to 3/0 AWG. It offers an interrupting rating of 65kA at 480VAC and is UL listed, suitable for reverse-fed installations. The HJA36125UHYP is commonly applied in panelboards and switchboards within manufacturing facilities, commercial buildings, and other heavy-duty electrical systems.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Square D
  • Series/Frame: Powerpact HJA
  • Amperage Rating: 125A
  • Voltage Rating: 600VAC
  • Number of Poles: 3
  • Phase: 3
  • Connection Type: I-Line Style Plug-In
  • Mounting Type: Plug-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 65kA @ 480VAC
  • Weight: 12.5 lb
  • Certifications: UL Listed


Part Number: HJA36125UHYP