gm5fb -2024欧洲杯买球软件

model and meaning

applicable environment and installation condition
● installation location of altitude does not exceed 2000 m;no significant shake and shock vibration;
● surrounding medium temperature is not higher than + 40 ℃ and not less than 25 ℃.
● installation site of air relative humidity when the temperature is + 40 ℃ less than 50%;at lower temperatures may have a higher relative humidity, such as 20 ℃ at 90%.due to temperature change once in a while the condensation of special measures should be taken;
● pollution levels for level 3;
● circuit breaker for the installation of the main circuit category ⅲ, not connected to the main circuit of the auxiliary circuit and control circuit installation category as ⅱ;
● circuit breaker shall be installed in the medium without explosion danger, no enough to corrosion of metal and medium and damage the insulation of conductive dust and gas;
● circuit breaker shall be installed where there is no rain and snow hit;
● circuit breaker shall be installed according to the product specification.
● circuit breaker protection grade (iec 60947-1 standard) to achieve ip30, cancel after shield, up and down for ip20 protection grade.
technical parameters