QGX type lifting height limiter introduction: Suitable for various types of cranes, it is an advanced safety protection device used to limit the lifting height. This limiter is driven by a worm gear and a cam triggered limit switch. It has the advantages of light weight, small size, easy installation and debugging, sensitive and accurate response, stable and reliable, and long service life. Generally, it can provide two protections for rise and fall, alarm limit and protection limit, and can be interchanged with old-fashioned pole structure height limiters.     

Selection instructions for QGX type lifting height limiter:

1. Rated working voltage:~380V
2. Rated working current: 10A
3. Scope of work:
QGX-A type is suitable for lifting mechanisms with standard series or non-standard cylinder work cycles of 5-250t cranes within 0-40 cycles;  
QGX-B type is suitable for lifting mechanisms with standard series or non-standard cylinder work cycles of 5t~250t cranes within 0-80 cycles;  
QGX-C type is suitable for lifting mechanisms with standard series or non-standard drum work cycles of 5t~250t cranes within 0-120 cycles.   

Product drawings:

QGX type lifting height limiter