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HJA260204AABC

Square D
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Square D HJA260204AABC is a 2-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 20 Amps at 600 Volts AC, with a high interrupting capacity of 65kA at 480VAC, and utilizes a thermal magnetic trip unit providing long-time and instantaneous (LI) protection functions. The breaker features an I-Line style plug-in connection for secure mounting, weighs 5.19 lb, and is constructed for single-phase applications with a non-interchangeable trip unit. It is certified to CE, CSA, IEC, and UL standards, ensuring compliance with global safety requirements. This unit is suitable for use in panelboards, switchboards, and other commercial or light industrial electrical systems requiring reliable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: HJA260204AABC
  • Item Subcategory: Molded Case
  • Series/Frame: Powerpact HJA
  • Amperage: 20 Amps
  • Voltage Rating: 600 Volts AC
  • Poles: 2
  • Phase: Single Phase
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Mounting Type: I-Line Style Plug-In
  • Connection Type: I-Line Style Plug-In
  • Interrupting Rating: 100kA at 240VAC, 65kA at 480VAC, 25kA at 600VAC, 20kA at 250VDC
  • Weight: 5.19 lb
  • Certifications: CE, CSA, IEC, UL
  • Wire Gauge Support: AWG 14 to 3/0 aluminum or copper


Square D HJA260204AABC - Molded Case Circuit Breaker 20A 600V