1. Altitude: no higher than 2500 meters;
2. Ambient temperature: -25°C-50°C;
3. Air humidity: no more than 50% at 40°C, no more than 90% at 20°C;
4. Surrounding environment: No corrosive gas, no conductive dust, no flammable and explosive media;

Ambient temperature: -45-55℃;
working voltage: AC38OV±20%;
voltage measurement accuracy: 0.5 grade;
power factor: ±0.01

1. The altitude is not higher than 2000 meters.
2. The ambient temperature is -20°C to 45°C.
3. The air humidity does not exceed 50% at 40°C, and does not exceed 90% at 20°C.
4. The surrounding environment has no corrosive gas, no conductive dust, and no flammable and explosive media.

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25°C~55°C;
3. Relative humidity: the maximum relative humidity is 90% (at 20°C);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;
6. Installation location: no severe vibration;

1. Real-time display of the three-phase network status: including system voltage, system current, power factor and control parameters, etc.;
2. Automatically identify the polarity of the sampled signal, and there is no need to worry about the polarity of the wiring;
3. It has the function of setting parameter power-off memory, Data will not be lost after power failure;
4. With over-voltage and under-voltage protection functions;

Rated current: AC 0~5A
Rated voltage: AC 220V or 380V
Contact capacity: AC220V/7A or AC380V/3A Current input impedance per branch: ≤0.02Ω
Shell protection class: IP30 Frequency: 50Hz
Sensitivity: 50mA Insulation voltage: 690V

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25℃~55℃;
3. Relative humidity: the maximum relative humidity is 90% (at 20℃);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;

1. Power supply voltage: the rated value is AC 220V, and the fluctuation cannot exceed ±20%;
2. Ambient temperature: -25℃~55℃;
3. Relative humidity: the maximum relative humidity is 90% (at 20℃);
4. Altitude Height: no more than 2000m;
5. Environmental conditions: no explosive and flammable dangerous media, no gases that corrode metals and conductive dust that damage electrical insulation;

With over-voltage and under-voltage protection functions.
With dual input threshold: it is required that the power factor is lower than the input threshold setting value and the reactive power is greater than the minimum set of capacitors before it is input, effectively preventing switching oscillations.
The input and removal delays can be adjusted separately, which is more applicable to the power grid.
Capacitor capacity input function, automatic identification number method for optimized switching.
There is a settable re-investment lock time to ensure that the capacitor has enough discharge time before being turned on

Capacitor capacity input function, automatic identification number method for optimized switching.
There is a settable re-investment lock time to ensure that the capacitor has enough discharge time before being turned on.
The output signal can be set to close a certain group or open a certain group of work.
Various parameters are all digitally adjustable, which can be widely applied to different power grid conditions.
Strong anti-interference ability, can directly resist interference pulses from peripheral common mode amplitude 2000V.

1. Real-time display of network conditions: including reactive power, power factor, secondary current, primary current, system voltage, etc. (by clicking the up and down keys to switch during automatic operation).
2. Automatically identify the polarity of the sampling signal, and there is no concern about the polarity of the wiring.
3. It has the function of power-off memory for setting parameters, and the data will not be lost after power-off.
4. With over-voltage and under-voltage protection functions.

1. Rated current: AC 0~5A;
2. Rated voltage: AC 220V/380V;
3. Contact capacity: AC220V/7A or AC380V/3A per
branch; 4. Current input impedance: ≤0.02Ω;
5. Shell Protection level: IP30;