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Square D HDA36090SR - 90A 3-Pole Molded Case Breaker

Square D
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Square D HDA36090SR 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 through a thermal magnetic trip mechanism. This unit features an I-Line style plug-in connection, weighs 6 lb, and includes a 125Vdc shunt trip for remote switching capability. It complies with industry standards and carries an AIC rating of 18kA at 480V, making it suitable for three-phase applications in manufacturing facilities, commercial buildings, and heavy machinery control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA family, thermal magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 90A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 6 lb
  • Additional Info: Complete with 125Vdc shunt trip
  • Standards: Industry standard compliant
  • Applications: Industrial power distribution, motor control centers, switchboards


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