Gear motor brake for the loss of electricity from the electricity (released), power outages spring brake friction brake. It is mainly for electrical and Y series of coordinated series of electromagnetic brake YEJ three-phase asynchronous motors. Widely used in metallurgical, construction, chemical, food, machine tools, packaging machinery, and power outages at the (anti-Risks) brake, and so on. This brake is compact, easy installation, wide availability, low noise, high frequency, movement sensitive, Braking the advantages of reliable, which is an ideal implementation of the automation components.