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Square D HGA36090UN - 3-Pole 90A Molded Case Circuit Breaker

Square D
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Square D HGA36090UN is a 3-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 continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. The unit weighs 5 lb and features an I-Line style plug-in connection for secure mounting in compatible panelboards. This breaker carries an AIC rating of 35kA at 480V, meeting industry standards for high-fault current applications. It is typically used in commercial and industrial settings for branch circuit protection, motor control centers, and main service disconnects.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HGA Series
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 5 lb
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Industrial power distribution, motor control centers, main service disconnects


Product Identification
  • UPC: 785901285640
  • GTIN: 00785901285640