^YALI CHANGE ^YALI YJVFT SERIES MINING EXPLOSION-PROOF AND INTRINSIC SAFETY TYPE VARIABLE FREQUENCY SPEED CONTROL INTEGRATED MACHINE TYJVFT SERIES MINING EXPLOSION-PROOF AND INTRINSIC SAFETY TYPE PERMANENT MAGNET SYNCHRONOUS VARIABLE FREQUENCY SPEED CONTROL INTEGRATED MACHINE / Product Overview **5]teSWlffr£GB/T 3836.1-2021 MlSB^riS^ ilfflg*KGB/T3836.2-2021 OSftttlTJ* fl2gB;bv: eM YJFFT series mining explosion-proof and intrinsic safety variable frequency speed control integrated machine, suitable for driving scraper conveyors, belt conveyors, emulsion pumpstations, etc. underground in coal mines. This series of motors complies with the requirements of GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Flameproof Enclosures", and GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Enclosures". The explosion-proof mark Ex db [ib Mb] I Mb for electric motors is applicable to underground mining faces containing methane and coal dust explosion hazards. The TYJVFT series mining explosion-proof and intrinsic safety permanent magnet synchronous variable frequency speed control integrated machine is suitable for driving scraper conveyors, belt conveyors, emulsion pump stations, etc. underground in coal mines. This series of motors complies with the requirements of GB/T 3836.1-2021 "Explosive Environments Part 1: General Requirements for Equipment", GB/T 3836.2-2021 "Explosive Environments Part 2: Equipment Protected by Flameproof Enclosures", and GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Enclosures". The explosion-proof mark Exdb [ib Mb] I Mb for electric motors is applicable to underground mining faces containing methane and coal dust explosion hazards. ;£#& / Technical Parameter / Technical Parameter Thermal classification Rated power fast Number of poles Rated voltage Ingress protection protection grade Explosion proof grade Rated frequency Cooling method Rated power fast Number of poles Thermal classification Variable frequency range Work duty Thermal element Rated voltage Rated frequency Variable frequency range mpmm Ingress protection Explosion proof grade Cooling method Thermal element Thermal element Work duty