Power Monitor, AC- or DC-Powered
NAI’s 109 is an AC- or DC-Powered Power Monitor used to monitor voltage, frequency, and phase characteristics of single- or three-phase power lines. This allows normal operation of system loads when the power-line characteristics are within predetermined limits.
The 109 monitor provide
s three separate control circuits and output relays indicating the condition of each line characteristic. It is ideally suited for rugged defense and industrial applications.
- AC- or DC-powered
- Operates at 50/60/400 Hz
- Single- or three-phase
- Voltage, frequency, or phase outputs
- Accuracy ±1%
- Hysteresis 1% maximum
- Time delay (pick-up & drop-out) 250 ms to 10 seconds
- Real-time outputs 15 VDC @ 15 mA
- High reliability
- Versatile design allows for many variations
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