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Square D HJA36070SR - Molded Case Circuit Breaker 70A 600V 3-Pole

Square D
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Square D HJA36070SR is a Powerpact H-Frame molded case circuit breaker designed for overcurrent protection in three-phase power distribution systems. This 70A, 600V unit utilizes thermal magnetic trip technology with LI (Long-Time and Instantaneous) functions to safeguard electrical circuits from overloads and short circuits. The 3-pole breaker features an I-Line style plug-in connection for secure mounting in compatible panelboards, weighs 5 lb, and includes a 125Vdc shunt trip for remote tripping capability. It delivers a high interrupting capacity of 65kA at 480V AC and 25kA at 600V AC, meeting UL listing standards for safety and performance. This breaker is suited for industrial and commercial applications requiring reliable current limiting and protection in I-Line panelboard systems.

Key Features & Specifications
  • Type: HJA
  • Family: Powerpact
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC / 250 VDC
  • Current Rating: 70 A
  • Number of Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Connection: I-Line Style Plug-In
  • Mounting Type: I-Line plug-in
  • Interrupt Rating: 65 kA at 480 VAC, 25 kA at 600 VAC
  • Frame Type: H-Frame
  • Continuous Current Rating: 80%
  • Wire Range: AWG 14 to 3/0 aluminum/copper
  • Additional Info: complete with 125Vdc shunt trip
  • Weight: 5 lb
  • UL Listed