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Square D HJA36125AABCSD - Molded Case Breaker 125A 600V 3-Pole

Square D
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Square D HJA36125AABCSD is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 125A of continuous current at up to 600VAC and features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions for precise fault response. This unit weighs 12.5 lb and utilizes an I-Line style plug-in connection for secure mounting in compatible panelboards. It complies with UL 489 standards and carries CSA, NEMA, IEC, and CE certifications, ensuring reliable performance across global installations. Typical applications include branch circuit protection in manufacturing plants, commercial facilities, and heavy machinery control panels.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HJA36125AABCSD
  • Type: Molded Case Circuit Breaker
  • Current Rating: 125 A
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Trip Unit Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 65 kA at 480 VAC
  • Interrupt Rating: 25 kA at 600 VAC
  • Connection: I-Line Style Plug-In
  • Mounting Type: Plug-On (I-Line)
  • Frame/Series: PowerPact H (Type HJA)
  • Weight: 12.5 lb
  • Wire Size Range: 14 to 3/0 AWG
  • Frequency: 50/60 Hz
  • Certifications: UL 489, CSA, NEMA, IEC, CE marked
  • Country of Origin: Mexico