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Square D HJA260404AABCSJ - MCCB 40A 600V (2-Pole Thermal Magnetic)

Square D
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Square D HJA260404AABCSJ is a 2-pole molded case circuit breaker designed to provide LI (Long-Time and Instantaneous) overcurrent protection in electrical distribution systems. It is rated for 40 amps at 600V AC and delivers a 65kA interrupting capacity at 480V AC, ensuring robust fault current interruption. The unit features a thermal magnetic trip mechanism with an I-Line style plug-in connection, weighs 7.5 lb, and is constructed for single-phase operation. This breaker complies with industry standards for reliable circuit protection in industrial environments. It is typically applied in power distribution panels and switchboards requiring dependable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Type: Molded Case Circuit Breaker (MCCB)
  • Poles: 2
  • Amperage: 40 Amp
  • Voltage Rating: 600V AC
  • Interrupt Rating: 65kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 1
  • Weight: 7.5 lb
  • Series: PowerPact
  • Mounting Type: Panel Mount


Model: HJA260404AABCSJ