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Help CenterZHRV2 Series Voltage Monitoring Relay
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Specifications
Controls its own supply voltage(True RMS measurement).Control status is indicated by LED; N-phase failure protective
ZHRV2 series voltage monitoring relay
Functions:
Overvoltage monitoring, Undervoltage monitoring. Phase failure monitoring
Function Features:
Controls its own supply voltage(True RMS measurement).
Control status is indicated by LED.
N-phase failure protective
Voltage measurement accuracy ≤1%.
Measuring frequency :50/60Hz.
The relays are designed for clip-on mounting on rail.
Applications:
Control for connection of moving equipment (site equipment,agricultural
equipment, refrigerated trucks).
Control for protection of persons and equipment against the consequences of reverse running.
Protection against the risk of a driving load (phase failure).
Normal/emergency power supply switching.
Factory control system, power compensation system, switchboard, air-conditioning system, motor controlling.
Model |
Overvoltage monitoring |
Undervoltage monitoring |
Asymmetry protection |
Phase sequence protection |
Phase failure protection |
|
|||
setting range |
time-delay range |
setting range |
time-delay range |
setting range |
time-delay range |
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ZHRV2-01 |
N |
N |
N |
N |
N |
N |
Y |
Y |
|
ZHRV2-02 |
N |
N |
N |
N |
8% |
2s |
Y |
Y |
|
ZHRV2-03 |
1.05-1.30 |
0.1-10s |
0.70-0.95 |
0.1-10s |
N |
N |
N |
Y |
|
ZHRV2-04 |
1.05-1.30 |
0.1-10s |
0.70-0.95 |
0.1-10s |
N |
N |
Y |
Y |
|
ZHRV2-05 |
1.15 |
2s |
0.85 |
2s |
N |
N |
Y |
Y |
|
ZHRV2-06 |
N |
N |
N |
N |
5%-15% |
0.1-10s |
Y |
Y |
|
ZHRV2-07 |
1.05-1.30 |
0.1-10s |
0.70-0.95 |
0.1-10s |
5%-15% |
0.1-10s |
N |
Y |
|
ZHRV2-08 |
1.05-1.30 |
0.1-10s |
0.70-0.95 |
0.1-10s |
5%-15% |
0.1-10s |
Y |
Y |
|
ZHRV2-09 |
1.15 |
2s |
0.85 |
2s |
8% |
2s |
N |
Y |
|
ZHRV2-10 |
1.15 |
2s |
0.85 |
2s |
8% |
2s |
Y |
Y |
|
ZHRV2-11 |
1.15 |
2s |
0.85 |
2s |
8% |
3s |
Y |
Y |
|
Note: 1. Y the function is available, N the function is not available |
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2. In the circuit of three phase four wire, the relay which have no phase sequence protection function can be used to protect single phase or two phase circuit. |
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3. All models relay can be adjusted in 220V/230V/240V or 380V/400V/415V except RV2 -07, RV2 -08 |
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