Brand: JIE LONG
FJJ-412 (600Kg)
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描述： Pleasing designs with powerful drive.
With 120'c overheat protection, overload protection.
Brake is safety, accurate limited control positioning, with doublelimit switch protection, can prevent door over roll-up.
Manual operation when power-off.
Powerful, low noise, lower energy consumption.
Easy to install, easy to maintenance and long useful life.
With the national patent of Chain-break protection device
