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HDA36125UK

Square D
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Save $1,268.13
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Square D HDA36125UK is a Powerpact HDA Series 3-pole molded case circuit breaker designed for thermal magnetic overload and short-circuit protection in industrial and commercial power distribution systems. It is rated for 600V AC and 125A, with an interrupting capacity of 18kA at 480V, and provides LI (Long-Time and Instantaneous) trip functions. The unit weighs 6 lb and features an I-Line style plug-in connection for direct mounting in compatible panelboards and switchboards. It is UL Listed and CSA Certified for reliable performance in demanding electrical environments. This breaker is suitable for use in manufacturing facilities, commercial buildings, and other three-phase power applications requiring robust circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Series: HDA
  • Family: Powerpact
  • Type: HDA
  • Item Subcategory: Molded Case
  • Current Rating: 125A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Interrupt Rating: 18kA @ 480V
  • Tripping Method: Thermal Magnetic
  • Trip Functions: Long-Time and Instantaneous (LI)
  • Connection: I-Line Style Plug-In
  • Mounting Type: Plug-On
  • Weight: 6 lb
  • Certifications: UL Listed, CSA Certified


Square D HDA36125UK - Molded Case 125A 600V 3-Pole