PNRT
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PNRT110A (pdf) |
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DNRT110A |
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CONTROLS NRT SERIES LIQUID LEVEL CONTROL CONSTANT LEVEL PUMP UP UL listed CSA recognized • 100 Sensitivity • 10 Amp SPDT Relay • Maintain Constant Level • Four Mounting Options CONTROLS Level R The NRT series is applied for maintaining a constant level of conductive liquid. When the liquid decreases below the probe, the relay is energized after a 4 second time delay to avoid wave disturbances. The relay de-energizes when the liquid reaches the probe. A common electrode is needed if the container is non-conductive. SPECIFICATIONS: Input 24 VAC, 48 VAC, 110 VAC 220 VAC, ± 15%, 50/60 Hz Maximum power consumption 24 VAC VA 48 VAC VA 110 VAC 2 VA 220 VAC 2 VA Output SPDT Relay Contact material AgCdO Maximum loading 10 A AC resistive 8 A Dc resistive Maximum switching voltage 250 VAC 250 VDC Relay maximum power rating 2500 VA Mechanical life of relay 3 x 107 operations Electrical life of relay 2 x 105 at 2200 VA resistive load Probe isolation Switching contact 2000 VAC Electrodes 2000 VAC Probe sensitivity 100 Probe voltage 24 VAC, 60 Hz Probe current 1 mA max. Operating temperature +14°F to +140°F -10°C to +60°C Weight 7 oz. 200g Note The probe cables max. 300ft need not be shielded however, it is not advisable to run the probe cables with power cables. If shielded cable is used, the shield and common should be connected. WIRING DIAGRAM: DNRT A1 11 R C min max 12 14 LNRT S Max C 10 11 ORDERING INFORMATION: MOUNTING SERIES 110A INPUT POWER PNRT S C Max MOUNTING D = DIN-rail or panel mounting L = 11 pin plug-in P = 8 pin plug-in N = open PC board SERIES NRT = Enclosed NNRT = Open PC board version mounting dimensions same as NNR Products and specifications subject to change without notice. Consult factory for application assistance. INPUT POWER 24A = 24 VAC 48A = 48 VAC 110A = 110 VAC 220A = 220 VAC 204 Airline Drive, Suite 300, Coppell, Texas 75019 / Tel 800 677-5311 / FAX 800 677-3865 / 5-10 |
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