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Square D HDA260402AABCSH - Molded Case 40A 2-Pole Breaker

Square D
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Square D HDA260402AABCSH is a 2-pole molded case circuit breaker designed for overcurrent protection in single-phase electrical systems. It is rated for 40A continuous current at 600V AC, with an interrupting capacity of 18kA at 480V, and utilizes a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. The breaker features an I-Line style plug-in connection and weighs 7.5 lb, constructed for robust industrial environments. It complies with UL, CSA, and IEC standards for safety and performance. This unit is typically applied in panelboards, switchboards, and industrial power distribution systems requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Poles: 2
  • Phase: 1
  • Current Rating: 40A
  • Voltage Rating: 600V
  • AIC Rating: 18kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 7.5 lb
  • Frame Type: H-Frame
  • Mounting Type: Panel or DIN rail mount
  • Certifications: UL Listed, CSA Certified, IEC Rated
  • Field reversible line/load lugs