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GZD series (microcomputer control) direct current power supply board is used in middle and small size power plants and transformer substations as a direct current power required in switch cutting on and off in the high pressure, relay protection, automatic control, accident lighting, light and sound signal in normal operation and fault condition.

Product Features:

1.Automatic switching of AC dual input. The product is equipped with two charging floating charging devices for mutual standby, and the system switching is convenient.

2.Stable operation: the product has good anti-interference performance, stable current, high stability precision and small ripple coefficient.

3.Long battery life: the product can charge and float the battery strictly according to the charging curve of the battery, avoiding overcharge or undercharge. The microcomputer control type has the function of battery inspection.

3.Multiple protection: the product can track and detect each working point, and the insulation detection device combining software and hardware protection can monitor the insulation condition of bus at any time.

4.Telecontrol communication: DC power cabinet controlled by microcomputer can communicate with upper computer, realize centralized monitoring and unattended

The use of environmental conditions

1. Ambient temperature: -10℃～＋45℃;

2. Altitude: no more than 2400m;

3. Relative humidity: daily average value is not greater than 95%, monthly average value is not greater than 90%;

4. Earthquake intensity: no more than 8 degrees;

5. Installation vertical inclination: no more than 5°;

6. There is no fire, explosion hazard, serious pollution, chemical corrosion and severe vibration;

7. Anti-noise of the microcontroller: 1000V 1μS pulse for 1 minute;

8. No strong electromagnetic field interference;

9. When the usage environment does not match the above, please consult with the manufacturer.

For the future,we will keep devoting ourselves to improve our technologies and Qblockset Low Voltage Switchgear. We consider ourselves to be the most pioneering company in the industry. Our company has introduced excellent production technology, purchased advanced production equipment.