Shell :Light aluminum alloy shell shall be adopted which is light but hard and fit for the use in the terrible work environment with a high heat dissipation rate and all tightness design.

Inverse phase sequence protecting device :It is the special electrical installation which control thecircuit not to work in case of wiring error the power supply.

Limit switch :The limit switch device is installed where the weight is lifted on and off to make themotor to stop outomatically so as to prohibit the chains from exceeding for safety .

24V/36Vdevice :it is used to prohibit the emergencies from occurring in case of the leakage inthe switch .

Side magnetic braking device :This device shall realize the instant brake in case of the power dump .

Chain bag :It shall be light ,handsome and durable.

Chain :The chain shall adopt the imported FEC80 ultra heat-treatable aluminum alloy chain .

外壳：外壳轻巧而坚固,散热率高,全密封性设计适合在作业条件较差的环境中使用。

逆相保护装置:为特殊电器装置,当电源接线错误时,控制电路无法工作。

极限开关:重物吊上吊下都有极限开关装置,使电机自动停止,以防止链条超出,确保安全。

24V/36V装置:当在操作时如遇开关漏电,可防止意外事故发生。

制动装置:此装置可以实现在电源切断时瞬间刹车。

链条袋:轻巧、美观、耐用。

链条:采用进口FEC80超强热处理合金钢链条。