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Square D HDA36125AABC - 125A 3-Pole Molded Case Breaker 600V

Square D
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Square D HDA36125AABC is a 125A, 3-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It operates at a voltage rating of 600V AC and provides LI (Long-Time and Instantaneous) protection functions through a thermal-magnetic trip mechanism. The unit features an I-Line style plug-in connection, weighs 12.5 lb, and supports ABC phase connection with a non-interchangeable trip unit suitable for reverse fed applications. It carries an AIC rating of 18kA at 480V AC and complies with UL, CSA, and IEC standards. This breaker is engineered for use in PowerPact H series and I-Line panelboards in demanding environments.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Weight: 12.5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 3
  • Current Rating: 125A
  • Interrupt Rating: 14kA @ 600VAC, 18kA @ 480VAC, 25kA @ 240VAC
  • Series/Frame: HDA
  • Tripping Mechanism: Thermal-Magnetic
  • Phase Connection: ABC
  • Standards: UL Listed, CSA Certified, IEC Rated
  • Application: PowerPact H, I-Line Panelboards
  • Non-Interchangeable Trip Unit
  • Reverse Fed Application Suitable