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Square D HDA260404AABCSD - Molded Case 40A 2-Pole Breaker

Square D
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Square D HDA260404AABCSD is a 2-pole molded case circuit breaker designed for overcurrent protection in electrical distribution systems. It is rated for 40A at 600V AC and provides a short-circuit interrupting capacity of 18kA at 480V, utilizing a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. This I-Line style plug-in breaker weighs 7.5 lb and features field-reversible line and load lugs for flexible installation. It is UL 489 listed and CSA certified for safety compliance. The breaker is suitable for industrial and commercial applications requiring reliable circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HDA260404AABCSD
  • Type: Molded Case Circuit Breaker
  • Current Rating: 40 A
  • Voltage Rating: 600 V AC
  • Poles: 2
  • Phase: 1
  • Interrupt Rating: 18 kA at 480 V
  • Protection: Thermal Magnetic
  • Trip Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 7.5 lb
  • Frame: PowerPact H-Frame
  • Mounting Type: I-Line
  • Certifications: UL 489 Listed, CSA Certified
  • Field reversible line/load lugs