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Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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NK Technologies Ground Fault Sensors

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NK Technologies Ground Fault Relays - AGLD series


The NK Technologies AGLD Series Ground Fault Sensors keep machinery and their operators safe from accidental shocks. 
• 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

NK Technologies Ground Fault Sensor

NK Technologies Ground Fault Detector - AG series


AG SERIES Ground Fault (Earth Leakage) Detectors
The NK Technologies AG Series Ground Fault Detectors help protect people, products, and processes from damage by ground fault conditions by monitoring all current-carrying conductors in grounded single- and three-phase delta or wye systems.

  • Fixed or selectable setpoint
  • Solid-state or relay output
  • Green LED Power-On indication