NK TECHNOLOGIES DS3 Series Instructions Manual
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INSTRUCTIONS1. Run the wire you are monitoring through aper-ture.2. Mount the sensor.3. Connect power & output wiring.A. Make sure power supply matches specifications.B. Make sure output load matches the output shownon the sensorsí label.4. Adjust SetpointA. Chose correct range by positioning the RangeJumperB. Use the potentiometer to adjust the setpoint.DS3 SERIESDC Current Operated SwitchDS3 - SDT - 24UPower Supply24U 24VAC /DCOUTPUT:NOU Normally Open Solid State Switch, 0.3A@ 135 VACSDT Single Pole Double Throw (SPDT orForm C) relaySENSOR TYPE:DS3 DC current sensing switch with 3 jumper selectablerange and adjustable setpointModel Number KeySpecificationsPower 20-28 VAC/DC, 10 VASetpoint Ranges 4-20A, 10-50A, 20-100ASetpoint Adjust 11 Turn potentiometerIsolation Voltage 1.48KVFrequency Range DC to 400 HzRepeatability 0.5%Hysteresis 5% of setpointSensing Aperture 0.75î (19mm)Case UL 94-V0 Flammability RatedOutput Rating & EnvironmentalNOU Isolated Solid State Switch0.3A @ 135 VAC/DCOff State Leakage NONEEnvironmental -40 to 60 DegF (-40 to 140 DegF)0-95% RH, Non CondensingSDT SPDT (Form C) Relay5A General Purpose @ 240 VAC3A Inductive @ 240 VAC3A @ 30 VDC1/8HP @ 240 VACEnvironmental -20 to 50 DegC (-4 to 122 DegF)0-95% RH, Non CondensingRanges & Maximum AmpsRANGESOLID CORE4-20 A10-50 A20-100 ARANGEJUMPERLOWMIDHIGHMAXCONTINUOUSAt least 200%of rangeindefinelyMAX5 SEC.At least1000% ofRangeQuick ìHow Toî Guide500 Division Street, Campbell CA 95008800-959-4014 or +1-408-871-7510 Phone+1-408-871-7515 FAXsales@nktechnologies.com, www.nktechnologies.com DS3Inst. Rev 3.2, 2/03 P/N 39-300-0101Know Your PowerOther NK Technologies Products Include:AC & DC Current TransducersAC & DC Current Operated Switches1φ & 3φPower TransducersCurrent & Potential Transformers (CTs&PTs) |
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