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Square D HDA36090SJ - Molded Case 90A 3-Pole 600V

Square D
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Square D HDA36090SJ is a 90A, 3-pole molded case circuit breaker from the PowerPact family, designed for overcurrent protection in power distribution systems. It operates at 600VAC with an 18kA interrupting capacity at 480V and features a thermal magnetic trip unit providing long-time and instantaneous (LI) protection functions. The breaker weighs 6 lb and utilizes H-frame construction with I-Line style plug-in mounting, including a toggle control mechanism and a complete 525/600Vac shunt trip for remote tripping. It is UL 489, CSA, NEMA, and CE marked, ensuring compliance with industry safety standards. This unit is suited for Class 611/612 I-Line panelboards and switchboards in industrial and commercial electrical systems.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Frame Type: HDA (H-Frame)
  • Current Rating: 90A
  • Voltage Rating: 600VAC, 50/60 Hertz
  • Poles: 3
  • Phase: 3
  • Interrupting Capacity: 18kA at 480V
  • Protection: Thermal Magnetic
  • Trip Unit: Long-Time and Instantaneous (LI)
  • Continuous Current Rating: 80%
  • Mounting: I-Line Style Plug-In
  • Connection: I-Line bracket with line/load lugs
  • Control Type: Toggle
  • Weight: 6 lb
  • Additional Info: Complete with 525/600Vac shunt trip
  • Certifications: UL 489, CSA, NEMA, CE marked