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Square D HJA36070UD - 70A 3-Pole Molded Case Breaker

Square D
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Square D HJA36070UD is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide LI (Long-Time and Instantaneous) protection for industrial electrical systems. It is rated for 70A at 600V AC, with a high interrupting capacity of 65kA at 480V, and utilizes a thermal magnetic trip mechanism for reliable overcurrent protection. The unit features an I-Line style plug-in connection for secure mounting in compatible panelboards, weighs 5 lb, and is constructed for 3-phase applications. This breaker complies with industry standards for molded case circuit breakers, ensuring robust performance in demanding environments. It is commonly used in industrial power distribution systems, motor control centers, and switchboards requiring dependable circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HJA series, thermal magnetic protection
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V
  • Weight: 5 lb
  • Functions: Long-Time and Instantaneous trip
  • Standards: Compliant with industry molded case circuit breaker standards
  • Applications: Industrial power distribution, motor control centers, switchboards


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