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Ground Fault Relays – AGLD Series – NK Technologies


The NK Technologies AGLD Series Ground Fault Sensors keep machinery and the operators safe from accidental shocks. The large, one piece solid-core design allows for installation over wires feeding heavy loads. The output relay will change state at any point between 5 and 100 mA, or 80 and 950 mA. A delay can be set to allow down-stream protection to activate before this sensor, keeping the main circuit protection hot and the equipment energized while the smaller faults are cleared. The large LED display shows the precise trip point and the extra delay clearly, in any light condition. The display flashes when there is current sensed over the trip point.

  • Large 1.82″ (46.2mm) window
  • 3 digit trip point display
  • SPDT relay output
  • Adjustable setpoint & delay
  • Test button
  • DIN rail mounting
  • AC or DC powered
  • UL listed
  • For large ground fault sensors without digital display, see the AGL Series data sheet in Downloads section (below).

NK Technologies ALGD specs

Catalog Page 103a           AGLD-Datasheet

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