YFB4 series dust proof three-phase induction motors, seat number: H80~355, capacity: 0.55-315KW, pole number 2~10P, voltage: 1140V and below, explosion proof mark: Extb lC T125C Db, energy efficiency grade in compliance with Class 2 in GB 18613-2020, with explosion proof certificate, 3C compulsory product certification and other qualifications, suitable for food processing, paper shredding and other auxiliary equipment used in dust environment.