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Square D HJA36125USYP - Molded Case Circuit Breaker 125A 600V

Square D
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Square D HJA36125USYP is a 3-pole molded case circuit breaker designed for overcurrent protection in power distribution systems. It is rated for 125 amps at 600 volts AC, with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. This breaker features an I-Line style plug-in connection, weighs 12.5 lb, and offers a high interrupting capacity of 65kA at 480VAC. It is UL listed and built to industry standards for reliable performance in demanding environments. Typical applications include industrial and commercial power distribution panels requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HJA36125USYP
  • Type: Molded Case Circuit Breaker
  • Current Rating: 125A
  • Voltage Rating: 600VAC / 690VAC / 250VDC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Trip Unit Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 65kA @ 480VAC, 25kA @ 600VAC, 100kA @ 240VAC
  • Connection: I-Line Style Plug-In
  • Mounting Type: Plug-On
  • Series/Frame: PowerPact HJA
  • Weight: 12.5 lb
  • Certifications: UL Listed
  • Application: Power Distribution
  • Phase Connection: ABC