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Square D HJA36100U44XAABCSJYP - 100A 3-Pole Molded Case Breaker (600V)

Square D
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Square D HJA36100U44XAABCSJYP is a 3-pole, 100A molded case circuit breaker from the Powerpact HJA series, designed for overcurrent and ground fault protection in commercial and industrial power distribution systems. It operates at a voltage rating of 600V and provides LSIG protection—Long-Time, Short-Time, Instantaneous, and Ground Fault—via a solid-state trip unit, with an interrupting capacity of 65kA at 480V. This unit features an I-Line style plug-in connection for straightforward installation in compatible panelboards and switchboards, and it weighs 9 lb. The breaker is UL listed and suitable for reverse-fed installations, ensuring compliance with industry safety standards. Typical applications include protecting feeders, motors, and branch circuits in manufacturing facilities, data centers, and large commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Series: Powerpact HJA
  • Frame Type: H-Frame
  • Poles: 3
  • Current Rating: 100A
  • Voltage Rating: 600V
  • Interrupt Rating: 65kA @ 480V
  • Protection Type: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Connection: I-Line Style Plug-In
  • Phase: 3
  • Weight: 9 lb
  • Certifications: UL Listed


Part Number: HJA36100U44XAABCSJYP