NK TECHNOLOGIES APS Series Instructions Manual

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INSTRUCTIONS1. Route wire to be monitored through aperture. For480VAC and/or 3 phase installations, ensure wiresare routed through the aperture in a two-pass con-figuration as shown on reverse side.2. Mount the sensor to a surface if needed.3. Connect voltage and output wiring to appropriateterminals. Ensure voltage is derived from sameline that runs through the aperture. Use field sup-plied fuse or circuit breaker per standard wiringpractice.A. Use up to 10 AWG copper wires, tighten ter-minals to 4-5 inch-pounds torque.B. Make sure loop power meets specifications.APS SeriesAC Power TransducerTrue Power of 1φ or 3φ Balanced LoadsModel Number KeySpecifi cationsPower SupplyQuick “How To” GuideAPS Inst. Rev 5, 1/19 P/N 7901800103511 Charter Park Drive, San Jose, CA 95136800-959-4014 or +1-408-871-7510 Phone+1-408-871-7515 FAXsales@nktechnologies.com, www.nktechnologies.comKnow Your PowerOther NK Technologies Products Include:AC & DC Current SwitchesGround Fault SensorsVoltage & Power TransducersCurrent Transformers (CTs)Example: APS4-420-24L-10.0Single Phase watt transducer, 480VAC Input, 4-20mA outputwith 24VDC Loop powered, 10 kW max input.Voltage1 120 VAC2 240 VAC4 480 VACAPS 4 - 420 - 24L - 50.0Full scale kW0.50.751.02.05.010.020.050.075.0100Output 4-20mAOutput Limit 22mAAccuracy 1% FSResponse Time 100 mS (to 90% of step change)Frequency Range 10-400 HzPower Supply 24VDC Nominal Loop Powered 36 VDCMaximumPower Inputs Expressed as:Amps 2-120AkW 0.5 kW to 100 kWHP 1/4HP@120 VAC to 150 HP@480 VACVoltage Input 120, 240 or 480 VAC NominalVoltage Variation +/- 25% of nominalAmperage Over-range 150% FS indefinitely300% FS 10 Seconds600% FS 5 SecondsOutput Terminals Finger-safe captive screw, 10-24 AWGTorque to 4-5 inch poundsVoltage Input Up to 10 AWG wire, 600V max.Fusing External fusing of voltage inputrecommendedIndication Power LEDInput Conditions Across the line motors and VFDsEnvironmental -4 to 140° F, -20 to 60° CWhere: VL = Minimum Loop PowerR L = Total Loop Resistance(Ohms)V L = 12VDC + (R L x .020A)Total Loop Impedance (Ohms)0 250 500 750 100032 V22 V12 VOperatingRangeLOOPPOWER(VDC)Power Supply24L 24VDCLoop-PoweredOutput420 4-20 mANote: Not all kW ranges are availablefor each voltage input range.

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