Three Phase Distribution Transformer Feature
1. Rated frequency 50Hz or 60Hz, three-phase
2. 65ºC average winding temperature rise, 60ºC top oil temperature rise
3. Two windings, copper and aluminum available
4. CRGO or amorphous metal core
5. Mineral oil insulating liquid
6. ONAN
7. Automatic pressure-relief valve
8. Off-circuit or on-load tap changer
9. Signaling thermometer
10. Earthing terminals
11. Lifting lugs
12. Buchholz relay
13. Compliance with IEC60076
14. Broad selection of design efficiencies to meet specific customer applications

Three Phase Distribution Transformer Standard Service Condition
1. Altitude above sea-level not exceeding 1000m
2. Temperature of ambient air not below -25ºC and not above +40ºC
3. Monthly average ambient air temperature of the hottest month not exceeding +30ºC
4. Yearly average ambient air temperature not exceeding +20ºC
Special service condition upon request

Application
Distribution network: Industry, commercial and residential areas