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Square D HDA36090SP - 90A 3-Pole Molded Case Breaker (600V)

Square D
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Square D HDA36090SP is a 3-pole, 90-amp molded case circuit breaker from the Powerpact H-Frame family, designed for overcurrent protection in power distribution systems. It operates at a voltage rating of 600VAC with an interrupting capacity of 18kA at 480V and 14kA at 600V, utilizing a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions. The breaker features I-Line style plug-in construction, weighs 6 lb, and is complete with a 48Vdc shunt trip for remote tripping capability. It complies with UL 489, CSA, NEMA, and CE standards, ensuring reliable performance in industrial environments. This unit is suitable for reverse-fed applications and is typically used in Class 611/612 I-Line panelboards and switchboards for commercial and industrial power distribution.

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
  • Additional Info: complete with 48Vdc shunt trip
  • Part Number: HDA36090SP
  • Amperage: 90A
  • Voltage: 600VAC
  • Interrupt Rating: 18kA @ 480V, 14kA @ 600V
  • Trip Unit: Thermal-Magnetic
  • Mounting: I-Line Style Plug-In
  • Frame Type: H-Frame
  • Certifications: UL 489, CSA, NEMA, CE
  • Trip Setting: 800 to 1450 Ampere
  • Frequency: 50/60 Hz