Braking distance follows No. 378 term in 1. It can brake automatically when the operating speed exceeds the nominal speed by 15%. 2. The time of braking cannot exceed 0.7 s.3. At maximum load, maximum inclination and maximum designed speed going downwards, the breaking distance cannot exceed the equivalent of 6.0 second travel at the same speed. 4. At minimum load and maximum inclination, going upwards breaking speed cannot exceed 5 m/s2).