Product description YB3 series high-efficiency flameproof three-phase asynchronous motor is a fully enclosed, self-fan cooling high-efficiency motor. This series of products replaces the original YB2 series flameproof three-phase asynchronous motor, and its efficiency meets the requirements of GB18613-2012 energy efficiency level 3 standard. The explosion-proof performance of YB3 series motors is in accordance with GB3836.1-2010 "Electrical Equipment for Explosive Gas Environment Part 1: General Requirements" and GB3836.2-2010 "Electrical Equipment for Explosive Gas Environment Part 2: Explosion-proof Type" d "" Regulations, applicable places: ExdⅡBT4Gb is suitable for the environment where the factory uses Class II Class B, temperature group is T4 group explosive gas mixture. Product related parameters Main specifications