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Square D HDA36090USYP - Molded Case Circuit Breaker 90A 600V 3-Pole

Square D
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Square D HDA36090USYP is a three-pole molded case circuit breaker designed for overcurrent protection in power distribution systems. It is rated for 90A continuous current at 600V AC with an interrupting capacity of 18kA at 480V AC, employing a thermal-magnetic trip unit that provides LI (long-time and instantaneous) protection functions. The unit weighs 7.95 lb and features an I-Line style plug-in connection for direct mounting in compatible panelboards and switchboards. This breaker is UL listed and complies with industry standards for Class 611/612 I-Line equipment. It is typically used in commercial and industrial power distribution applications requiring reliable branch circuit or feeder protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: HDA36090USYP
  • Type: Molded Case Circuit Breaker
  • Amperage: 90 A
  • Voltage: 600 V AC
  • Poles: 3
  • Phase: 3
  • Mounting Type: I-Line style plug-in
  • Connection: I-Line Style Plug-In
  • Interrupt Rating: 18kA @ 480V
  • Frame Type: H-Frame
  • Trip Unit: Thermal-magnetic with long-time and instantaneous functions
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Weight: 7.95 lb
  • UL Listed


HDA36090USYP