... external, three transmission, rated load 2tons, two cages SC200/200 building construction elevator, a mesh rack, external, three transmission, rated load ... the national patented technology, automatic braking when crashes, drive unit is on the top of the cage, safe and reliable ... -1.2ASpeed 1.2m/sRated braking load40kN Safety set:The unit is provided with reliable safety interlock devices, safety switch, ...