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Square D HDA36090UR - 90A 3-Pole Molded Case Circuit Breaker

Square D
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Square D HDA36090UR is a Powerpact H-Frame molded case circuit breaker designed for reliable overload and short-circuit protection in commercial and industrial power distribution systems. This 3-pole, 90A unit is rated for 600V AC and provides thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The breaker features an I-Line style plug-in connection for straightforward mounting in panelboards and switchboards, weighs 6 lb, and has an interrupting rating of 18kA at 480V. It is UL 489 listed and certified to CSA, CE, NEMA, NMX, VDE, BS, CCC, and IEC standards. Typical applications include protecting branch circuits and feeders in manufacturing facilities, commercial buildings, and heavy industrial environments.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HDA
  • Weight: 6 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 18kA@480V
  • Phase: 3
  • Current Rating: 90A
  • Part Number: HDA36090UR
  • Series/Frame: Powerpact H-Frame
  • Amperage: 90A
  • Voltage: 600V AC
  • Mounting Type: I-Line Plug-In
  • Interrupt Rating: 18kA @ 480V
  • Continuous Current Rating: 80%
  • Control Type: Toggle
  • Certifications: UL 489, CSA, CE, NEMA, NMX, VDE, BS, CCC, IEC


Part Number: HDA36090UR