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HDA260401AABCSJ

Square D
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Square D HDA260401AABCSJ is a 2-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 40A of continuous current at up to 600VAC, with an interrupting capacity of 18kA at 480VAC, and utilizes a thermal-magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. The unit features an H-frame construction with an I-Line style plug-in connection for secure panel mounting, and weighs 7.5 lb. It is UL Listed and CSA Certified, meeting stringent safety and performance standards for reliable operation. This single-phase breaker is commonly applied in motor control centers, lighting panels, and switchboards requiring dependable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Amperage: 40 A
  • Voltage Rating: 600 V
  • Poles: 2
  • Phase: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Frame Type: H-Frame
  • Mounting Type: I-Line bracket
  • Interrupt Rating: 18kA@480V
  • Weight: 7.5 lb
  • Certifications: UL Listed, CSA Certified


Square D HDA260401AABCSJ - Molded Case Circuit Breaker 40A 600V 2-Pole