YBBP series flameproof frequency converter 3-phase induction motors is a new product designed and developed by our company on the basis of YBX3 series.

Technical information:

    H80-355, Power:0.75-355kW, Protection Degree: IP55, Insulation Class: F, Cooling Method: Code IC416, Ambient Temperature of -15℃~+40℃, Altitude not exceeding 1000m above sea level.

Main Feature and standards compliance: 

According to GB3836.1-2010《Explosive atmospheres - Part 1: Equipment-General requirements》and GB3836.2-2010《Explosive atmospheres – Part 2:Equipment protection by flameproof enclosures “d”》this series is made into explosion-proof type.

  The power grade and installation dimension of this series motor conform to the International Electrotechnical Commission (IEC) standard, and the corresponding relationship is the same as that of German DIN42673 standard, which is conducive to the matching of export and import equipment

Application range and operating environment:

 This series motor is suitable for the equipment in the place where explosive gas mixture exists. It forms a mechatronics system with frequency converter. The system can operate at constant torque and constant power in a wide range. It is an AC frequency converter explosion-proof motor special for power supply of frequency converter. Ex d I Mb is suitable for electrical equipment used in coal mine gas environment, Ex d IIB T4 Gb is applicable to the environment where explosive gas mixture exists in plant class II A and II B (Ex d IIC T4 Gb class II A, II B and II C) with temperature groups of T1, T2, T3 and T4;