It is suitable for small unattended substations with voltage level of 35KV and below, and main transformer capacity of 3150KVA and below
The seismic intensity of velocity is not more than 0.4g and vertical acceleration is not more than 0.15g. The ambient temperature is +40°C~-30°C, and the altitude is below 4000m
It applies to small size unattended substation with voltage class of 35KV and below and main transformer capacity of 3150KVA and below.