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Square D HJA36020AABCSD - Molded Case 20A 3-Pole Breaker

Square D
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Square D HJA36020AABCSD is a 20 Amp, 3-pole molded case circuit breaker from the PowerPact H series, designed for overcurrent protection in power distribution systems. It utilizes a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions, rated for operation at 600VAC and 250VDC, with a 65kA interrupting capacity at 480VAC. Weighing 5.19 lb, this unit features an I-Line style plug-in connection for secure mounting in compatible panelboards. It complies with UL 489, CE, CSA, NEMA, NOM, and IEC standards, ensuring reliable performance in industrial and commercial electrical systems. Typical applications include branch circuit protection in manufacturing facilities, data centers, and heavy machinery.

Key Features & Specifications
  • Manufacturer: Square D
  • Series: PowerPact H
  • Type: Molded Case Circuit Breaker
  • Amperage: 20 Amp
  • Poles: 3
  • Voltage Rating: 600/690VAC, 250VDC
  • Interrupt Rating: 100kA at 240VAC, 65kA at 480VAC, 25kA at 600VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 3
  • Weight: 5.19 lb
  • Certifications: UL 489, CE, CSA, NEMA, NOM, IEC


Model: HJA36020AABCSD