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Square D HGA36100U44XAABC - 100A 3-Pole Molded Case Breaker (600V, LSIG)

Square D
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Square D HGA36100U44XAABC is a 3-pole molded case circuit breaker designed for primary overcurrent and ground fault protection in industrial power distribution systems. It is rated for 600V AC, 100A continuous current, and provides a 35kA interrupting capacity at 480V AC with solid-state LSIG trip functions for long-time, short-time, instantaneous, and ground fault protection. The unit weighs 9 lb and features an I-Line style plug-in connection for direct mounting on Square D panelboards, with a 3-phase configuration. This breaker complies with UL 489 standards for molded case circuit breakers and is suitable for use in switchboards, motor control centers, and distribution panels requiring selective coordination and ground fault protection. Typical applications include industrial manufacturing facilities, commercial buildings, and critical power systems where precise trip timing and fault isolation are essential.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Weight: 9 lb
  • Functions: LSIG
  • Item Subcategory: Molded Case