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Square D HDA260404AABCSJYP - Molded Case Circuit Breaker 40A

Square D
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Square D HDA260404AABCSJYP is a molded case circuit breaker designed for reliable thermal-magnetic protection in industrial and commercial power distribution systems. This 2-pole unit is rated for 40 amperes at 600 volts, providing an 18kA interrupting capacity at 480V, and utilizes LI (Long-Time and Instantaneous) trip functions for precise overcurrent protection. The breaker features an H-frame construction with I-Line style plug-in mounting, weighs 7.5 lb, and is a single-phase device. It is UL listed and suitable for reverse fed applications, with a magnetic hold current of 400A and continuous current rating of 80%. This circuit breaker is typically employed in panelboards and switchboards for branch circuit protection in manufacturing facilities, commercial buildings, and other heavy-load environments.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: HDA260404AABCSJYP
  • Type: Molded Case Circuit Breaker
  • Amperage: 40 A
  • Voltage Rating: 600 V
  • Poles: 2
  • Phase: 1
  • Frame Type: H-Frame
  • Mounting Type: I-Line plug-in
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal-magnetic with long-time and instantaneous functions
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 18kA @ 480V
  • Magnetic Hold Current: 400 A
  • Continuous Current Rating: 80%
  • Weight: 7.5 lb
  • Certifications: UL Listed


HDA260404AABCSJYP