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Square D HDA260404AA - Molded Case 40A 2-Pole 600V

Square D
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Square D HDA260404AA is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 2-pole unit operates at a voltage rating of 600V and a continuous current rating of 40A, providing thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The breaker features an I-Line style plug-in connection, weighs 7.5 lb, and offers an interrupting capacity of 18kA at 480V for single-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V
  • Current Rating: 40A
  • Poles: 2
  • Phase: 1
  • Connection: I-Line Style Plug-In
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 18kA@480V
  • Weight: 7.5 lb
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers


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