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Square D HJA36070UR - Molded Case Circuit Breaker 70A 3-Pole 600V

Square D
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Square D HJA36070UR is a 3-pole PowerPact H-frame molded case circuit breaker providing thermal magnetic protection for industrial and commercial power systems. This 70A unit is rated for 600VAC operation and delivers a 65kA interrupting capacity at 480VAC, with LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. The breaker features an I-Line style plug-in connection for secure mounting in compatible panelboards and weighs 5 lb. It is UL 489 Listed and carries certifications including CSA, NEMA, NMX, VDE, BS, CCC, and IEC for global compliance. Typical applications include motor control centers, distribution panels, and branch circuit protection in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HJA
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600VAC / 250VDC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Connection: I-Line Style Plug-In
  • AIC Rating: 65kA at 480VAC
  • Interrupt Rating: 25kA at 600VAC
  • Frame Type: H-Frame
  • Continuous Current Rating: 80%
  • Magnetic Hold Current: 800A
  • Trip Range: 800A to 1450A
  • Weight: 5 lb
  • UL 489 Listed
  • Certifications: CSA, NEMA, NMX, VDE, BS, CCC, IEC


HJA36070UR