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HJA36070UN

Square D
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Square D HJA36070UN is a Powerpact H-Frame molded case circuit breaker providing thermal magnetic protection for 3-phase industrial power systems. It is rated for 70A continuous current at 600VAC with a high interrupting capacity of 65kA at 480VAC, utilizing LI (Long-Time and Instantaneous) trip functions. This 3-pole unit features I-Line style plug-in mounting and weighs 5 lb, supporting wire sizes from AWG 14 to 3/0 aluminum or copper. The breaker is UL listed, ensuring compliance with safety and reliability standards for demanding electrical distribution environments. It is commonly deployed in panelboards and switchboards for motor control centers and heavy machinery protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: HJA36070UN
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HJA
  • Frame Type: H-Frame
  • Amperage: 70 A
  • Voltage Rating: 600 VAC
  • Number of Poles: 3
  • Phase: 3
  • Mounting Type: I-Line Plug-In
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Trip Unit: Thermal Magnetic (Long-Time and Instantaneous)
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 100 kA @ 240 VAC, 65 kA @ 480 VAC, 25 kA @ 600 VAC
  • AIC rating: 65kA@480V
  • Magnetic Hold Current: 800 A
  • Wire Range: AWG 14 to 3/0 Aluminum/Copper
  • Weight: 5 lb
  • Certifications: UL Listed


Square D HJA36070UN - Molded Case 70A 600V 3-Pole