The YBX3 series explosion-proof motor for fans is made into an isolation type in accordance with the requirements of "Explosive Atmospheres Part 1: General Requirements for Equipment" and "Explosive Atmospheres Part 2: Equipment Protected by Explosion proof Enclosures" and "General Technical Specification for Safety Performance of Explosion proof Low Voltage Three Phase Asynchronous Motors for Coal Mines". Suitable for use as general power equipment on fixed equipment underground coal mines containing methane or coal dust, or in places containing explosive mixtures of Class II lamps A and B T1-T4 combustible gases or vapors with air.