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Square D HJA36100U44XAA - Molded Case 100A 600V 3-Pole

Square D
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Square D HJA36100U44XAA is a PowerPact H molded case circuit breaker designed for 100A of solid-state protection in three-phase power distribution systems. It operates at a maximum voltage rating of 600V and delivers a 65kA interrupting capacity at 480V, with LSIG trip functions including long-time, short-time, instantaneous, and ground fault protection. This three-pole unit weighs 9 lb and features an I-Line style plug-in connection for secure mounting in panelboards. The breaker complies with UL 489 standards for safety and performance in industrial environments. Typical applications include motor control centers, switchboards, and commercial power distribution panels requiring precise solid-state overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Square D
  • Model: HJA36100U44XAA
  • Current Rating: 100A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • Frame Type: H (PowerPact H)
  • Trip Unit: Micrologic 6.2A
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Protection: Solid State
  • Interrupt Rating: 25kA @ 600VAC, 65kA @ 480VAC, 100kA @ 240VAC
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Mounting Type: I-Line plug-in
  • Phase Connection: ABC
  • Weight: 9 lb
  • UL Listing: UL 489
  • Suitable for Reverse Fed Applications


HJA36100U44XAA