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| Back to NK
Technologies Main Selection Page |
| AC and DC Current Switches |
| AS1 Series, Single-Range AC Current Switch |
| AS1 DODC
Series, Current Switch with Dual Output |
| AS3 Series, Multi-Range AC Current Operated Switches |
| ASM Series,
Self-Calibrating AC Current Switches |
| ASX Series, AC Current Switches with Time Delay |
| ASXP Series,
Powered AC Current Switches with Time Delay |
| AS0 Series, Low Range AC Current Operated Switches |
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DS3 Series, DC
Current Operated Switches |
| AC and DC Current
Transducers |
| AT Series, AC Current Transducers, Average Responding |
| ATR Series, AC
Current Transducers, True RMS |
| AT/ATR 3 & 4 Series, High Current AC Transducers |
| ATP Series, Powered
AC Current Transducers |
| ATP/ATPR 3 & 4 Series, Powered AC Current Transducers, True
RMS |
| DT Series, DC Current
Transducers |
| Ground Fault / Earth Leakage
Sensors |
| AG Series, Ground Fault/Earth Leakage Sensors - Solid-State
Relay Output |
| AG Series, Ground
Fault/Earth Leakage Sensors - Mechanical Relay Output |
| AGL Series, Large Aperture Ground Fault
Sensors |
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| AT Series, AC Current Transducers, Average Responding |
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| AT Series Current Transducers combine a current transformer and signal conditioner into a single package. The AT Series has jumper selected current input ranges and industry standard 4–20mA, 0–5VDC or 0–10VDC outputs. The AT Series is designed for application on ‘linear’ or sinusoidal AC loads. Available in a split-core case or two types of solid-core cases. |
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Download Complete Specifications in .pdf Format |
Automation Systems
Analog current reading for remote monitoring and software alarms. |
Data Loggers
Self-powered transducer helps conserve data logger batteries. |
Panel Meters
Simple connection displays power consumption. |
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- Accurate - Factory matched and calibrated
single piece transducer is more accurate than traditional two-piece field
installed solutions.
- Average Responding - “Average
Responding” algorithm gives an RMS output on pure sine waves. Perfect for
constant speed (linear) loads.
- Jumper Selectable Ranges
- Reduces inventory.
- Eliminates zero and span pots.
- Isolation
- Output is magnetically isolated from
the input for safety.
- Eliminates insertion loss (voltage
drop).
- UL, CUL and CE Approval - Accepted worldwide.
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-005 Model |
-010 Model |
-420 Model |
| Output Signal |
0–5VDC |
0–10VDC |
4–20mA |
| Output Limit |
8.2VDC |
15VDC |
32mA |
| Accuracy |
1.0% FS |
1.0% FS |
1.0% FS |
| Response Time (10–90% step change) |
100 ms |
100 ms |
300ms |
| Frequency Range |
50–60Hz |
50–60Hz |
20–100Hz |
| Other Frequencies |
Special calibration available for any frequency from 10–400Hz |
| Power Supply |
Self-powered |
Self-powered |
12–40VDC, Loop-powered |
| Loading |
1mOhm min. for rated accuracy 100K.. add 1.3% error |
See Power Supply below |
| Isolation Voltage |
UL listed to 1,270VAC (tested to 5KV) |
| Input Ranges |
Field selectable ranges from 0–200A; custom ranges available; consult factory. |
| Sensing Aperture |
- -FF Case: 0.55” (14mm) dia.
- -FT Case: 0.74” (19mm) dia.
- -SP Case: 0.85” (21.6mm) sq.
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| Case |
UL94 V0 Flammability Rated |
| Environmental |
-4 to 122°F (-20 to 50°C) 0–95% RH, noncondensing |
| Listings |
UL 508 Industrial Control Equipment (USA & Canada), CE |
*Forsinusoidalwaveformsonly.SelectATRTransducersfordistortedwaveforms.. |
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| Ordering Information |
Download Complete Specifications in .pdf Format |
| Solid-Core Models |
| Model |
Description |
Output |
 AT0-420-24L-FF |
0–2 & 0–5A Ranges, Front Term. |
4–20mA |
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AT0-420-24L-FT |
0–2 & 0–5A Ranges, Top Term. |
4–20mA |
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AT1-005-000-FF |
0–10, 0–20 & 0–50A Ranges, Front Term. |
0–5VDC |
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AT1-005-000-FT |
0–10, 0–20 & 0–50A Ranges, Top Term. |
0–5VDC |
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AT1-010-000-FF |
0–10, 0–20 & 0–50A Ranges, Front Term. |
0–10VDC |
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AT1-010-000-FT |
0–10, 0–20 & 0–50A Ranges, Top Term. |
0–10VDC |
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AT1-420-24L-FF |
0–10, 0–20, 0–50A Ranges, Front Term. |
4–20mA |
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AT1-420-24L-FT |
0–10, 0–20, 0–50A Ranges, Top Term. |
4–20mA |
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AT2-005-000-FF |
0–100, 0–150 & 0–200A Ranges, Front Term. |
0–5VDC |
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AT2-005-000-FT |
0–100, 0–150 & 0–200A Ranges, Top Term. |
0–5VDC |
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AT2-010-000-FF |
0–100, 0–150 & 0–200A Ranges, Front Term. |
0–10VDC |
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AT2-010-000-FT |
0–100, 0–150 & 0–200A Ranges, Top Term. |
0–10VDC |
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AT2-420-24L-FF |
0–100, 0–150, 0–200A Ranges, Front Term. |
4–20mA |
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AT2-420-24L-FT |
0–100, 0–150, 0–200A Ranges, Top Term. |
4–20mA |
| Split-Core Models |
| Model |
Description |
Output |
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AT0-420-24L-SP |
0–2 & 0–5A Ranges |
4–20mA |
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AT1-005-000-SP |
0–10, 0–20 & 0–50A Ranges |
0–5VDC |
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AT1-010-000-SP |
0–10, 0–20 & 0–50A Ranges |
0–10VDC |
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AT1-420-24L-SP |
0–10, 0–20, 0–50A Ranges |
4–20mA |
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AT2-005-000-SP |
0–100, 0–150 & 0–200A Ranges |
0–5VDC |
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AT2-010-000-SP |
0–100, 0–150 & 0–200A Ranges |
0–10VDC |
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AT2-420-24L-SP |
0–100, 0–150, 0–200A Ranges |
4–20mA |
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