YB3 series flameproof three- phase asynchronous motor is a new design of totally enclosed fan-cooled high- efficiency cage flameproof motors, it meets the requirement of EFF1 in EU and GB 18613,and has the advantages of high efficiency, energy saving, long life, good performance, small vibration ,convenient maintenance etc., and is a new generation of YB and YB2 series flameproof three-phase asynchronous motors.
This series of explosion-proof motor performance comply with GB3836.1-2010 "Electrical apparatus for explosive gas atmospheres - Part 1: General requirements" and GB3836.2- -2010 "Electrical apparatus for explosive gas atmospheres - -Part 2: flameproof" d "" , and meet the IEC79- 1,BS4683 and EN50018. were made flameproof Exd I Mb, Exd ll AT4 Gb, ExdIl BT4 Gb, Exd ll CT4, applicable to the presence of explosive gas mixtures in place. Suitable for the coal mine under ground non mining work face and factories with dangerous places with group IIA, IIB and IIC, temperature group are T1-T4 of explosive gas mixture.
Rated Voltage: 380V. 660V. 380 / 660V. 660/ 1140V
Rated Frequency: 50Hz
Insulation Class: F
Protection Class: IP55
Cooling Method:IC411
Installation Type: IMB3. IMB5. IMB35
Ambient temperature: - 15%C< Ѳ < 40%C
Altitude:≤1000m