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Square D HDA36150SN - Molded Case 150A 3-Pole (600V)

Square D
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Square D HDA36150SN is a 150A, 3-pole molded case circuit breaker from the Powerpact H series, designed for overload and short-circuit protection in commercial and industrial power distribution systems. It operates at a voltage rating of 600VAC and provides a 150A current rating with a thermal-magnetic trip unit offering LI (Long-Time and Instantaneous) protection functions. The breaker features an I-Line style plug-in connection, weighs 6 lb, and is complete with a 12Vdc shunt trip for remote tripping capability. It is UL 489 Listed for safety and performance, suitable for reverse-fed installations, and carries an AIC rating of 18kA at 480VAC. This unit is typically applied in panelboards and switchboards for reliable circuit protection in 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: 150A
  • Additional Info: complete with 12Vdc shunt trip
  • Part Number: HDA36150SN
  • Series/Frame: PowerPact H
  • Amperage: 150A
  • Voltage: 600VAC
  • Mounting Type: I-Line plug-in
  • Interrupt Rating: 14kA @ 600VAC, 18kA @ 480VAC
  • Continuous Current Rating: 80%
  • Trip Unit: Thermal-magnetic, LI (Long-Time and Instantaneous)
  • Certifications: UL 489 Listed
  • Application: Suitable for reverse-fed installations