The pressure reducing starter is mainly used in the motor system in the fields of machinery, petroleum, chemical, electric power, coal mine, metallurgy, etc., and the use range is not more than 2000 meters above sea level.
(1) The altitude does not exceed 2000 meters;
(2) The temperature of the surrounding medium is not higher than +40 ° C, not lower than -10 ° C;
(3) The relative humidity of the air is not more than 85%;
(4) The amplitude of the earthquake is not more than 0.5 mm, and the frequency is not more than 600 vibrations per minute;
(5) The inclination of the vertical plane does not exceed 5 degrees;
(6) In a medium free of explosion hazard, and there is no place in the medium that is sufficient to corrode metals and destroy insulating gases and conductive dust.