YB2 explosion proof motors are designed and manufactured into explosion proof type and the explosion proof property conforms to China National Standards:
GB3836.1-2000 Electrical Apparatus for Explosive Gas Atmospheres-General Requirements.
GB3836.2-2000 Electrical Apparatus for Explosive Gas Atmospheres- Explosion proof Enclosure d and standards IEC79-1, BS4683 and EN50018.

ExdI- safe for use in the non-mining surfaces of underground coal mines where the explosive mixtures of methane or coal-dust are present.
ExdIIAT4 - safe for use in plants where the explosive mixtures of IIA Class, TI, T2, T3 or T4 are present.
ExdIIBT4 - safe for use in plants where the explosive mixtures of IIB Class, TI, T2, T3 or T4 are present.
ExdIICT4 - safe for use in plants where the explosive mixtures of IIC Class, TI, T2, T3 or T4 are present.

1.Ambinent tempertuer should not be more than 40
2.The elevation should not be exceed 1000 meters.
3.The relative humindity should not be more than 90%.
4.Rated Frequency:50Hz
5.Rated voltage: 380V, 660V, 380V/660V
6.Operation mode is S1
7.Protection degree: IP55, Insulation class: F