YFB3 series dust explosion-proof three-phase asynchronous motor, frame number: H80~355, capacity: 0.55-315KW, pole number 2~10P, voltage: 720V and below, explosion-proof mark: Ex tb llC T125C Db, energy efficiency level in accordance with GB18613-2020 level 3, with explosion-proof certificate, 3C mandatory product certification and other qualifications, suitable for food processing, paper shredding and other auxiliary equipment used in dust environments.