11kv 500kVA Three Phase Cast Resin Dry Type Transformer an/Af Indoor

11kv 500kVA Three Phase Cast Resin Dry Type Transformer an/Af Indoor. Flame retardant,expolosion-proof, no pollution to the environment. Low loss, good power saving effect,economic operation ,maintenance-free. Especially suitable for urban power grids, high-rise buildings ,business centers,theaters,hodpitals,hotels,tunnels ,subways,stations ,docks ,airports ,and so on. Thin resin layer inside and outside coil ,good heat dissipation performance . Small size,light weight , less space ,low installation cost, do not need to consider oil drainage pool, fire protection facilities and backup power supply. High resistance to short circuit and lightning impact. The coil does not absorb moisture,and the core clamp has a special anti-corrosion protection layer, which can operate in 100% relative humidityand other harsh environments.