1.Installation site: outdoors or indoors;2.Altitude: less than 1000M;3.Ambient temperature: -25

4.Maximum relative humidity

5.Earthquake-resistant capability: the horizontal acceleration of ground surface is 0.3g, and the vertical 

  acceleration of ground surface is 0.15g.  concurrently acting continuous three sine waves, safety factor/6.All-weather working capability in outdoor environment;7.The equipment has certain capability in dustproof, antifouling, waterproof, earthquake resistance and

shock resistance.Note: Transformers operating in special environment are available upon the demand of customers.

ZGS9 pad-mounted transformers (American box transformer)