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Square D HDA260402AABCSD - Molded Case 40A 2-Pole 600V

Square D
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Square D HDA260402AABCSD is a Powerpact H-Frame molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This 2-pole unit is rated for 40A at 600V and features a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions for precise fault response. Weighing 7.5 lb, it utilizes an I-Line style plug-in connection for secure bracket mounting in panelboards. The breaker carries an interrupting capacity of 18kA at 480V and is UL listed for reverse feed applications. Typical applications include branch circuit protection in commercial and light industrial electrical panels.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: HDA260402AABCSD
  • Frame Type: H-Frame
  • Item Subcategory: Molded Case
  • Weight: 7.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 1
  • Current Rating: 40A
  • Mounting Type: I-Line bracket
  • UL Listed