Summary: conform to the JB/ZQ4388-97 standard, use safe and reliable, high frequency, energy saving, green environmental protection, no asbestos pad, smooth braking, no noise.

　　Conditions of use: 1, environment temperature: -20 degrees C degrees C+60. 2. AC 380V/50HZ power supply, the upper limit of voltage allowed fluctuation is not overdue 10%, and the lower limit is no less than 15% of rated voltage. 3, the altitude of the installation site is not more than 2000M. 4. The relative humidity of the air at the place of use is not greater than 90%. 5, the brakes must not be explosive enough to corrode metals and destroy insulation dice and conductive dust around the brakes.