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Square D HDA260404AABCSH - Molded Case 40A 2-Pole 600V

Square D
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Square D HDA260404AABCSH is a 2-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in commercial and industrial power distribution systems. It is rated for 40A continuous current at 600VAC with an interrupting capacity of 18kA at 480V, utilizing a LI (Long-Time and Instantaneous) trip function for precise fault response. The unit weighs 7.5 lb and features an I-Line style plug-in connection for direct mounting to compatible panelboards, with a common trip handle for simultaneous pole operation. It is UL 489 listed and CSA certified, ensuring compliance with North American safety and performance standards. This breaker is suitable for protecting branch circuits, feeders, and equipment in manufacturing facilities, commercial buildings, and other industrial environments requiring reliable circuit isolation.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HDA260404AABCSH
  • Type: Molded Case Circuit Breaker
  • Current Rating: 40A
  • Voltage Rating: 600 VAC
  • Poles: 2
  • Interrupt Rating: 18kA @ 480V
  • Protection: Thermal Magnetic
  • Trip Unit: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Phase: 1
  • Weight: 7.5 lb
  • Certifications: UL 489 Listed, CSA Certified
  • Series/Frame: HDA
  • Common Trip Handle