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Square D HJA260404AA - Molded Case Circuit Breaker 40A 600V

Square D
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Square D HJA260404AA is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This two-pole unit is rated for 40A at 600VAC, providing reliable thermal-magnetic protection with long-time and instantaneous trip functions. The breaker features an I-Line style plug-in connection, weighs 7.5 lb, and offers a high interrupting capacity of 65kA at 480V for single-phase applications. It is constructed to meet industry standards for robust performance in demanding environments, making it suitable for use in panelboards and switchboards within manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 40A
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V
  • Phase: 1
  • Weight: 7.5 lb
  • Functions: LI - Long-Time and Instantaneous


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