YBE4 series of flameproof three-phase induction motors, seat number: H63~355, capacity: 0.12~375 KW, pole number: 2~10P, voltage: 1140 V and below, explosion proof markings: Ex dliat4 G, ExdlB T4 Gb, ExdIIC T4 Gb. Suitable for equipment used in explosive gas environments other than coal mines, for use with various mechanical devices with high safety requirements in petroleum, chemical, natural gas, biopharmaceuticals, etc; Efficiency indicators meet the Class 2 energy efficiency specified in GB 18613-2020 and the IE4 energy efficiency rating in IEC 60034-30, with qualifications such as explosion proof certificate, production license, energy conservation certificate, etc.