We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.

General
This type of voltage transformer adopts epoxy-resin vacuum casting and a fully closed single-phase structure for indoor use, is applicable for power systems of rated frequency 50Hz or 60Hz and rated voltage up to and including 10kV, used for electric energy metering and voltage measurement.
It complies with the standards GB 20840.1-2010 Instrument transformers-Part1:General requirements, GB 20840.3-2013 Instrument transformers-Part3:Additional requirements for inductive voltage transformers, and JJG314-2010 Instrument Voltage Transformers.
Use environment
- Altitude: should not exceed 1000m
- Ambient temperature:-5ºC~+40ºC
- Air relative humidity:≤85%
- Air relative site: indoor.
Technical parameter
- Insulation level:12/42/75kV, 7.2/30/60kV
- Power factor:cosφ=0.8
- Rated frequency:50Hz or 60Hz
- Weight: 30kg
Technical ratio
Rated voltage ratio(kV) | Accuracy class | Rated output(VA) | Limit output(VA) |
6/0.1/0.1 | 0.2/0.2 | 15/15 | 300 |
6/0.1/0.22 | 0.2/3 | 15/100 | 300 |
10/0.1/0.1 | 0.2/0.2 | 15/15 | 300 |
10/0.1/0.22 | 0.2/3 | 15/100 | 300 |
Test Reports
All products have undergone professional testing and certification.


Our customers are located all over the world

Photos of Product

Eng. ADOFO MICHAEL ADJEI / BSc, MSc
Project Manager, Foreign Trade and Technology
Denggao Electric Co. Ltd
Head Office: No 208 Weiwu Lu, Economic Development Zone. Yueqing - China