Combined transformer, commonly named as American box - typetransformer, has outstanding features including reliable power supply,compact structure, fast and flexible installation, convenient opération,small size, etc. It can be widely used in industrial areas, residential communities, commercial centers, urban roads, high-rise buildings and other premises. The différence between this kind of product and European box-type transformer domestically man-ufactured is: American box-type transformer is designed with intégration of transformer part,high- voltage load switch, protective fuse and other devices, and placed in an oil tank for relatively comparably smaller size.
Opération condition
Ambient temperature: Highest temperature: +40°C, lowest temperature: -30°C
Altitude above sea level: no more than 1,000 m
Wind speed: 34 m/s (no more than 700Pa)
Humidity: daily average of relative humidity no more than 95%
Monthly average of relative humidity no more than 95%
Shock résistance: horizontal accélération no more than 0.4m/s2, vertical accélération no more than 0.15m/s2
Slope of installation site: no more than 30
Installation conditions: free of explosive and corrosive gas, no severe vibration and shock
When the product is ordered for operating conditions out of the scope specified above, please inform the Company in advance.
Features of product
Small size, compact structure, the size is only one-third of same capacity European box-type transformer. The product is fully enclosed and
equipped with complété insulation structure without requiring insulation clearance to ensure personal safety.