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Voltage monitoring relay PH-102 (hereinafter PH-102) is designed for the protection of industrial and consumer single phase equipment with rated voltage of 220V and frequency 50 Hz. Main purpose of the device is to protect the equipment and electrical driven machinery from unallowable voltage drops and fluctuations in the mains power circuits and automatic turning ON the equipment after the voltage recover and return to normal values with the user defined time delay. Total maximal power that could be connected to PH-102 is 6,5 kW (30A AC-1). PH-102 contains built-in high frequency filter in which additionally protects the equipment also from impulse interruptions. On the front panel there is a digital display indicating the acting value of input voltage while operation and when spinning the setting knobs it shows the precise parameters adjusted values. Additional LED indicator “Load� shows the ON/OFF state of the output relay (connected power load). TECHNICAL CHARACTERISTICS
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Rated voltage, V
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220 |
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Rated voltage frequency, Hz |
47 - 65 |
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Adjustable settings ranges:
- Minimal voltage tripping threshold (
- Maximal voltage tripping threshold ( Umin), V Umax), V
- Autoreclosing time delay , sec |
160 - 220
230 - 280
5 - 900 |
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Fixed tripping time delay when input voltage exceeds the minimal tripping threshold ( Umin), sec |
12 |
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Fixed tripping time delay when input voltage exceeds the maximal tripping threshold ( Umax), sec |
1 |
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Fixed tripping time delay in case of voltage decrease more than 60V than the adjusted minimal voltage tripping threshold ( Umin), sec |
0,2 |
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Fixed tripping time delay in case of voltage increase more than 30V than the adjusted maximal voltage tripping threshold ( Umax), sec |
0,2 |
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Maximal commutation current (active power load), A (not less than) |
32 |
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Accuracy for tripping basing the voltage level measurement, V |
< 3 |
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Minimal operation voltage level at which
Maximal operation voltage level at which PH-102 will keep working, V PH-102 will keep working, V |
100
420 |
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Voltage hysteresis, V (not more than) |
< 5 |
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Operational temperature range, ï‚°�¡ |
from -25 to + 45 |
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Storage temperature, ï‚°�¡ |
from -45 to + 70 |
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Total power consumption, mA |
< 15 |
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Commutation life of the output contacts:
- under 32A power load, times (not less than)
- under 5A power load, times (not less than) |
100 000
1 000 000 |
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Outer dimensions, mm |
120 x 80 x 43 |
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Net weight, kg |
0,170 |
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Wall mounting in vertical position in order to read the digits of the front panel indicator |
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