What are the GB of power loss brakes?
Each factory may be different signs, but should have: National lifting supervision department type test certificate
500 is the brake wheel diameter, 7100K is 7100N, K is fast, no residual magnetism.
The brake has many kinds, what are the general industrial standard, said brake wheel diameter: 100MM, 200MM, 300MM, 400mm, 500mm, 630mm and so on, the electromagnet thrust is more safe, such as Wulong brake MWZ2-500/7100K