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Square D HDA260404AABC - Molded Case Circuit Breaker 40A 2-Pole 600V

Square D
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Square D HDA260404AABC is a molded case circuit breaker designed for primary overload and short circuit protection in electrical distribution systems. This 2-pole unit is rated for 40A continuous current at 600VAC, with an interrupting capacity of 18kA at 480VAC, and utilizes a thermal-magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. The breaker features an I-Line style plug-in connection for direct mounting onto Square D I-Line panelboards, weighs 7.5 lb, and is constructed as a single-phase, H-frame device. It is UL 489 listed and CSA certified for compliance with North American safety standards. This circuit breaker is suited for industrial and commercial applications requiring reliable circuit protection within I-Line distribution systems.

Key Features & Specifications
  • Type: Molded Case
  • Amperage: 40A
  • Voltage Rating: 600V
  • Poles: 2
  • Phase: 1
  • Interrupt Rating: 18kA @ 480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Frame/Series: H-Frame
  • Weight: 7.5 lb
  • Certifications: UL 489 Listed, CSA Certified
  • Application: Industrial/Commercial circuit protection


Model: HDA260404AABC