SG(B) 10 Series Dry-type Transformer 1. H-180 C insulation level 2. Low partical discharge 3. safe and reliable SG(B)10 H grade insulation dry-type transformer,resin-insulated dry-type transformer Standards:IEC 60726, GB (Can also be made according to BS)Service condition:1, installation place:indoor2,height above seal level:1000mm3,maximum environment temperature:+40°C4,minimum environment ...