Technical parameters:
1. Power range ≤2500KVA
2. Dielectric strength: winding - winding, winding - earth 3000VAC / 50Hz / 60s no arcing or breakdown
3. Insulation resistance: cross-core screw rob - earth 500VDC, insulation resistance value ≥100MΩ
4. Noise level < 65db (The testing point's horizontal distance from transformer shall be 1 metre. )
5. Protection grade: IP00
6. Insulation class: H
7. Product standards: IEC726-11 Dry-type power transformer
                                 GBI094.11-2007 Dry-type power transformer
                                 IEEE. C57.12.01-2005 General requirements for dry type power distribution and power transformer

Application environment and conditions:
1, The altitude is not more than 1000 meters and if more than 1000 meters, derating is required.
2, Running temperature: -5 ℃ - 40 ℃, relative humidity is less than 90%. 
3, Without harmful gas, inflammable, explosive and conductive dust around.