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Square D HDA260504AABCSK - Molded Case 50A 600V (2-Pole I-Line)

Square D
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Square D HDA260504AABCSK is a 2-pole molded case circuit breaker designed to provide thermal-magnetic protection for electrical distribution systems. It is rated for 50 amps at 600 volts AC with an interrupting capacity of 18kA at 480VAC, utilizing LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. The unit weighs 7.95 lb and features an I-Line style plug-in connection for secure mounting in panelboards and switchboards. This breaker complies with UL, CSA, and CE standards, ensuring reliable performance in industrial power applications. It is commonly used in distribution and industrial systems requiring single-phase, 50A circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Square D
  • Series: HDA
  • Amperage: 50A
  • Voltage: 600V AC
  • Poles: 2
  • Phase: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Mounting Type: I-Line Plug-In
  • Interrupt Rating: 25kAIC @ 240VAC, 18kAIC @ 480VAC
  • Weight: 7.95 lb
  • Certifications: UL, CSA, CE
  • Application: Distribution, Industrial


Part Number: HDA260504AABCSK