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Square D HDA36090UD - 3-Pole 90A Molded Case Breaker 600V

Square D
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Square D HDA36090UD is a three-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 90A, and 18kA interrupting capacity at 480V, with a thermal magnetic trip unit providing LI (Long-Time and Instantaneous) protection functions. This unit features an I-Line style plug-in connection for secure mounting in compatible panelboards and switchboards, with a compact frame weighing 6 lb. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • AIC Rating: 18kA@480V
  • Weight: 6 lb
  • Functions: LI - Long-Time and Instantaneous
  • Family: Powerpact
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available