Occasions where there is no external power supply in turnouts such as railways, subways, light rails, steel mills, docks, etc.
1. Input power: battery driven.
2. Working power supply: 4.5VDC, power not higher than 50W.
3. Carrying distance within 100 meters.
4. See: E6-480PS-600 Turnout Lubricating Device Technical Scheme
