1、Purpose
Apply to low voltage power transmission and distribution with rated frequency of 50~60Hz and various electric equipment.
2、Service conditions
A height above sea-level not exceeding 1000m;
A temperature of ambient air not below -25℃ and not above +45℃；
Relative air humidity: ≤95%;
In environment with waterproof equipment and without water vapor.
3、Structure
The cores of transformer are constructed of the high quality , cold-rolled silicon steel. as to the transformer with the power above 5 KVA, the coil is cylinder type, it has no steel enclosures, guiding the primary and secondary outlet coil to fixed wiring board or wiring electric conduction, transformer iron core should be connected land.