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Square D HDL36090AA - Molded Case Circuit Breaker 90A 3-Pole 600V

Square D
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Square D HDL36090AA is a three-pole molded case circuit breaker from the Schneider Electric Powerpact family, designed to provide thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions for industrial and commercial power distribution systems. It is rated for 90A at 600VAC with an interrupting capacity of 18kA at 480VAC, and features a feed-thru connection with unit mount lugs. The breaker measures 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (H x W x D) and weighs 5 lb, with a wire size range of AWG 14 to AWG 3/0 for aluminum or copper terminals. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM. This breaker is suitable for use in panelboards, switchboards, and motor control centers requiring robust circuit protection in three-phase systems.

Key Features & Specifications
  • Type: HDL
  • Current Rating: 90A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Mounting Type: Unit Mount Lug
  • AIC Rating: 18kA@480V
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 5 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Frequency: 50/60 Hz


Product Identification
  • UPC: 785901953388
  • GTIN: 00785901953388