YB2 Series Explosion-Proof Three Phase Induction Motor
Application scope
This series 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.
Specifications & Features:
Rated voltage: 380V, 660V, 380V/660V, Rated frequency: 50Hz
Duty: Continuous (S1).
Insulation class: F
Protection degree: IP55
Cooling method: ICO141 (cooled by SELF-FAN)
Connection: Star-connection for 3KW or less while delta-connection for 4KW or more.

Operating Conditions:
1. Ambient temperature should not be more than 40º C.
2. Altitude: Not exceeding 1000meters above sea level.
3. Relative humidity should be less than 90%.
Available type
Frame H63 to 315, 2/4/6/8 poles, Rated output: 0.12KW-200KW
B3/B5//B35 mounting; Mounting dimensions according to IEC60034 standard. C