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NK Technologies AT / ATR 3 & 4 Series Current Transducers

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NK Technologies AT / ATR 3 & 4 Series
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Features:
- Large Aperture
Accommodates large conductors or wire bundles.
- Select the Right Output
- True RMS technology is accurate on distorted waveforms like VFD or SCR outputs.
- Average Responding-for linear, sinusoidal waveforms
- Three Jumper Selectable Ranges
- Reduces inventory.
- Eliminates zero and span pots.
- Isolation
Magnetic isolation protects installers and systems.
- Easy Installation
Single piece with integral mounting brackets makes for a simple, solid installation.
- UL, CUL and CE Approval
Accepted worldwide.
Applications:
- Large Pumps
Detect dry run electronically.
- Generation
Measure the output of generators.
- Electric Heating Elements
- Monitors heater load.
- Faster response than temperature sensors.
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| Model |
Description |
List Price |
Sale Price |
| AT3-420-24L-FL |
0-375, 0-500, 0-750 Amp Ranges, Top Terminal, 4-20 mA, Output: 4-20 mA |
$245.00 |
| $218.05 |  |
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AT/ATR 3 & 4 transducers from NK Technologies combine a high capacity current transformer and a signal conditioner into a single package. The AT version is Average Responding for use on linear (sinusoidal) loads. The ATR version is True RMS for use on distorted waveforms found in VFD or SCR outputs. Available in a solid or split core case.
Specifications:
| Output Signal |
4-20mA, Loop-powered |
| Output Limit |
23mA |
| Accuracy |
1.0% FS accuracy, True RMS |
| Measurement |
True RMS or Average Responding (see Ordering Information) |
| Response Time |
500mS (to 90% of step change) |
| Frequency Range |
ATR: 10-400Hz
AT: 50-60Hz, Sinusoidal |
| Power Supply |
24VDC Nominal; 40VDC Maximum |
| Isolation Voltage |
600VAC |
| Input Ranges |
AT/ATR3: 375, 500, 750A
AT/ATR4: 1000, 1333, 2000A |
| Sensing Aperture |
3.0" (76mm) dia. |
| Case |
UL 94 Flammability rated |
| Environmental |
-4 to 122°F (-20 to 50°C), 0-95% RH, non-condensing |
| Listings |
UL 508 Industrial Control Equipment (USA & Canada), CE (Pending) |
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