Sensors
Current transducer accurately monitors loads up to 400A
The AT/ATR-FD series current transducer has been introduced by NK Technologies. An aperture with a 1.31” inside diameter accommodates wire sizes for loads up to 400A – facilitating the feeding of wires through the sensing window for easy installation, even in applications with multiple conductors per phase. The sensor is compact (similar in size to a standard sensor case) and can be easily mounted on a back panel or DIN rail. It is compatible with most automation and control systems.
AT/ATR-FD series features include:
- 4-20mA analogue signal proportional to AC current
- available in both average responding and True RMS models
- simple and reliable 2-wire loop powered connection
- choice of 0-200, 300 or 400A
- factory calibrated with 5-year warranty
- DIN rail or panel mount
The AT/ATR-FD series is ideal for applications such as:
- monitoring large machines: detect over/under-current conditions before breakdowns occur
- water delivery/treatment: detect open discharge lines, locate clogged filters and blocked intake to pumps, and measure increased current to show failing bearings or pump impeller cavitation
- generators: shed noncritical loads when demand reaches set level
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