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Square D HDA36125SD - 125A 3-Pole Molded Case Breaker 600V

Square D
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Square D HDA36125SD is a 3-pole molded case circuit breaker from the Powerpact HDA family, designed for overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 600V AC, 125A continuous current, and an interrupting capacity of 18kA at 480V, with a thermal magnetic protection mechanism. The unit features an I-Line style plug-in connection, weighs 6 lb, and is equipped with a 208/277Vac shunt trip for remote tripping capability. This breaker complies with industry standards for industrial power distribution and is suitable for 3-phase systems in manufacturing plants, commercial buildings, and heavy machinery applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 18kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Additional Info: Complete with 208/277Vac shunt trip