In order to ensure safe and reliable operation of a crane, it is necessary to install a torque limiter or overloadprotector.
为了保证起重机安全可靠地运行，必须安装力矩限制器或超载限制器。
3
Overload protection: equipped self re-setting overloadprotector, the hoist motion is stopped if overloading occurs, but lowering is permitted, making the crane safe.