1·Motor comes with overload protector.
马达附有过负荷保护装置。
2·In order to ensure safe and reliable operation of a crane, it is necessary to install a torque limiter or overload protector.
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 overload protector, the hoist motion is stopped if overloading occurs, but lowering is permitted, making the crane safe.
过载保护装置：当过载发生时，运行下降，不允许上升，便于重物安全落地。
4·A number of detected electric elements are series and an electronic detective circuits are adopted in the critical current detector for JRT thermal overload protector.
JRT型热过载保护器临界电流检测仪采用多受检器件串联及电子变换检测线路，提高了保护器大规模生产的效率和检测的准确度。
5·Check the electrical box wiring and tighten the situation, adjust delay relays and overload protector, connect circuits, test motor steering, select the appropriate specifications of the fuse.
检查电器箱接线及紧固情况，调整延时继电器及过载保护器，接通电路，试验电机转向，选择合适规格的保险丝。
6·Based on the selected overload protection model, a thermal protector with single-chip is designed in this paper.
在确定了热过载保护模型的基础上，本文设计了一个智能型热过载继电器。