GGD fixed type low voltage air insulated switchgear
Features
- Good installation flexibility
- Strong assembling generality
- High seriation and applicability
- Excellent reliability
Description
GGD distribution transformer low voltage switch cubicle is a new-type low voltage power distribution which is designed to meet the requirement of energy sources ministry ,power consumers and design department on safe, economical, reasonable and reliable basis.
Application
GGD distribution transformer low voltage switch cubicle is applicable to power consumers of power plants, substations, industrial and mining enterprises and is used for electric energy conversion, distribution and control of power, lighting and power distribution equipment in power distribution system with AC 50Hz, rated operating voltage of 380V and rated operating current of up to 2,500A.
Normal operating conditions
- The ambient air temperature : -5°C ~ +40°C;
- Daily average temperature(Within 24h): ≤+35℃
- Relative humidity: ≤50% at the maximum temperature of +40℃ and may be higher at lower temperature, for example, 90% at +20℃.
- Altitude:≤2,000m;
- Installation inclination:≤ 5°;
- Installation places: Indoor; without fire, explosion risk, serious pollution, rain immersion, violent vibration,chemical corrosion and conductive dust.
Special operation conditions
If the switchgear will be used in conditions that exceed the normal
environmental conditions, users should consult with the
manufacturer.
Technical Parameter
No. | Item(Unit) | Data |
1 | Rated Operational Voltage(V) | AC380 |
2 | Rated Insulation Voltage(V) | AC660 |
3 | Rated Frequency(Hz) | 50 |
4 | Mai Bus Rated Current(A) | ≤2500 |
5 | Main Bus Rated Short-time Withstand Current(kA) | ≤50 |
6 | Rated Impulse Withstand Voltage(kV) | 8 |
7 | Standard | GB7251.12 |
8 | Protection Degree | ≤IP40 |
