Purposes and features：
This series of electric rail clamp differ from the spring-type hydraulic rail clamping device from the power device. The motor drives the screw rod to clamp or release the spring for lifting tongs opening or clamping. Therefore, either automatic or manual mode, it may reliably and easy operate and provide higher, safer and more reliable braking force against wind. Power supply: Motor of screw rod.
Data sheet of installation drawing：