We aspire to be the world's largest supplier of gas insulated switchgear for substations, Distribution Compact Substation, distribution transformers. Our company has received unanimous praise from customers at home and abroad for its high-quality products and perfect after-sales service. We always strive to achieve the perfect balance between quality and cost performance. We will continue to forge ahead and we always regard quality as the foundation, innovation as life, and attach importance to customer feedback information. It is our great pleasure if you like to have a personally meeting in our office.

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.

Through reasonable technical research and sound production process control security system, our company strictly controls every link, tries its best to provide cost-effective Best Quality Ggd Type Low Voltage Metal-Clad Enclosed Switchgear/Switchgear Panel to clients under the quality aim of pursuing quality zero defect. Our scale and benefits have increased substantially. We are a manufacturer with strong technical force, high quality and commercial reputation.