Chinese

YBF2  series Fans of the flameproof three-phase induction motors (frame size 80 to 315), in accordance with GB 3836.1-2010 "Explosive atmospheres - Part 1: General requirements for equipment", GB 3836.2-2010 "Explosive atmospheres - Part 2: from every provides explosive shell "d" protection device "made ??flameproof. Applicable to the coal mine methane or coal dust containing non-mining face fixed equipment, explosion-proof mark for ExdⅠMb. And  use with blower

Motor body frame protection class IP54 or IP55.
Cooling: IC411;
Mounting: IMB3, IMB5, IMB35
Rated voltage: 380V, 660V, 1140V, 380V / 660V, 660V / 1140V;
Rated power: 50Hz;
Operating mode: Continuous (S1)

Using conditions：
Altitude does not exceed 1000m;
Ambient temperature maximum temperature changes with the seasons, but not more than 35 ℃;
The ambient air temperature is the lowest -15 ℃;
The maximum relative humidity of ambient air does not exceed 95% (when the temperature is 25 ℃);