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Square D HDA36090UH - 90A 3-Pole Molded Case Breaker 600V

Square D
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Square D HDA36090UH is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide LI (Long-Time and Instantaneous) protection through its thermal magnetic trip mechanism. It is rated for 600V AC and 90A, with an interrupting capacity of 18kA at 480V, and features an I-Line style plug-in connection for secure panel mounting. The unit weighs 6 lb and is constructed for robust industrial environments, complying with applicable industry standards for overcurrent protection. This breaker is typically used in three-phase power distribution systems for motor control centers, switchboards, and panelboards requiring reliable short-circuit and overload protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA series, thermal magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA at 480V
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Functions: LI - Long-Time and Instantaneous