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Square D HJA260404AABCSD - Molded Case 40A 600V (2-Pole I-Line)

Square D
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Square D HJA260404AABCSD is a 2-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It provides 40A of current protection at 600V AC, with a thermal magnetic trip unit that delivers long-time and instantaneous (LI) fault response. This breaker features an I-Line style plug-in connection, weighs 7.5 lb, and is rated for a 65kA interrupting capacity at 480V for single-phase applications. It is current limiting, suitable for reverse fed applications, and utilizes a non-interchangeable trip mechanism. The HJA frame construction ensures reliable performance in panelboards and switchboards requiring compact, high-interrupting protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Model: HJA260404AABCSD
  • Current Rating: 40 Amp
  • Voltage Rating: 600V AC
  • Poles: 2 Pole
  • Frame Type: HJA I-Line Style Plug-In
  • Interrupt Rating: 65kA at 480V
  • Trip Unit: Thermal Magnetic with Long Time and Instantaneous Trip
  • Phase: Single Phase (1PH)
  • Connection: I-Line Style Plug-In
  • Weight: 7.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Current Limiting: Yes
  • Suitable for Reverse Fed Applications
  • Non-Interchangeable Trip