1 environment temperature: -15 ~ +40 (c)

2 altitude: <2000m

3 relative height: <90%

No serious effect of gas steam, transformer insulation 4 single-phase transformerinstallation place gasification precipitation, dust, dirt and other explosive and decadent medium;

The relative humidity of 5 single-phase transformers atmosphere around the air humidity is not more than 50 ℃ +40 ℃, relative humidity in low humidity can behigh, humidity maximum average wet month was 90%, while the average minimumtemperature for the month of +25% taking into account due to temperaturechanges occur in the solidified product surface;

Special conditions of the 6 that do not meet the above conditions, by using the conception and I companies determine.
Three, the technical parameters

Voltage rating: 1KV

Rated capacity: 5 ~ 320 (KVA)

The connection group: 1iO

Power frequency withstand voltage: 3KV/min

Insulation grade: F/H

Core temperature limits: not more than 85K, the coil temperature does not exceed 95K