NK TECHNOLOGIES AGT Series Instructions Manual
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INSTRUCTIONS1. Run all current carrying conductors through sensorwindow.A. Use an auxiliary CT if conductors do not fit. ConsultFactory for CT selection.2. Mount the indicator to a surface if needed.3. Connect output & power wiring.A. Use 30-12 AWG copper conductors only and tightento 5-7 in-lbs torque.B. Make sure fault current levels match the outputrange shown on the sensors’ label.• Loop Powered 4-20 mA sensor output.• Connect power supply in series with the load asshown on next page.C. Make sure power supply voltage is no lower than12 and not greater than 35 VDC at the sensor ter-minals.AGT 1 - 420 - 24L - FLModel Number KeySpecificationsQuick “How To” GuidePower Supply NotesAGT SERIESGround Fault IndicatorAnalog Output292080302 Rev 3Output Type:420 - 4-20 mA proportional to fault currentPower Supply:24L - 24 VDC Loop PoweredInput Range:1 - 0-50 mA2 - 0-100 mAAGT Series Ground Fault IndicatorPower Supply 24 VDC Nominal (see chart below)Use Class 2 or power limited supply onlyPower Consumption 2 VAInput Range AGT1: 0-50 mAAGT2: 0-100 mAIsolation Voltage Up to 600 VAC (Monitored Circuit)Frequency Range 40-400 Hz (Monitored Circuit)Output Signal 4-20 mA loop poweredOutput Loading 600 Ω maximum @ 24 VDCResponse Time 600 mS 90% step changeDimensions 2.5”H x 3.86”W x 1.45”D(64 x 98 x 37 mm)Sensing Aperture 0.75” (19 mm) diameterCase UL94 V-0 Flammability RatedEnvironmental -4 to104°F (-20 to 40°C), 0-95% RH,Non-condensingListings UL/cULSystem Grounding3511 Charter Park Drive, San Jose, CA 95136Phone: 800-959-4014 or 408-871-7510Fax: 408-871-7515sales@nktechnologies.com, www.nktechnologies.comKnow Your PowerOther NK Technologies Products Include:AC & DC Current TransducersAC & DC Current Operated Switches1 & 3Power TransducersCurrent & Potential Transformers (CTs & PTs)All low-current Ground-Fault Sensors are sensitive devicesthat require reasonable care in system design to avoid falseindication caused by high electrical noise levels. Keep inmind that the best way to reduce noise in a system is to sup-press it at its source.1. Keep the sensor power isolated from noisy circuits.2. Do not power the sensor with the same circuit that switchescontactors or other high current, inductive loads.Good design practice and code require that all AC powersystems be grounded. AG Series sensors are designed towork on grounded AC power systems. They may not operateproperly on ungrounded systems.Housing:FL - Solid-Core |
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