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Square D HDA36070SK - 70A 3-Pole Molded Case Breaker

Square D
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The Square D HDA36070SK is a 3-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 70A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. This unit features an I-Line style plug-in connection, weighs 6 lb, and is equipped with a 24Vac shunt trip for remote tripping capability. It is UL listed and CSA certified, with an interrupting rating of 18kA at 480V, making it suitable for 3-phase applications in manufacturing facilities, commercial buildings, and heavy machinery control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HDA, Thermal Magnetic, LI (Long-Time and Instantaneous) protection
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Functions: Long-Time and Instantaneous (LI)
  • Additional Info: Complete with 24Vac shunt trip
  • Weight: 6 lb
  • Family: Powerpact
  • Type: HDA
  • Protection: Thermal Magnetic


Product Identification
  • Manufacturer: Square D
  • Model: HDA36070SK