www.jsyali.com.cn YALI / Product Overview Yj^naHSii / Product Overview A&m^GB/T 3836.1-2021 «»*H£I*Jj!»l»#: GB/T 3836.2-2021 : Efflti YBC series coal mining machine cutting section uses explosion-proof three-phase asynchronous motor, suitable for underground coal mining machine cutting section and other similar machinery. This series of motors complies with 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 Explosion proof Enclosures", GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type" e"", and MT/T 476-2011 "Explosion proof Three phase Asynchronous Motors for Cutting Parts ofYBC Series Coal Mining Machines". The explosion-proof mark Ex db I Mb for electric motors is applicable to underground mining faces containing methane and coal dust explosion hazards. The YBVF series coal mining machine frequency conversion speed control device uses a walking motor, which is suitable for driving the walking part of coal mining machines and other similar machinery underground in coal mines. This series of motors complies with 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 Explosion proof Enclosures", GB/T 3836.3-2021 "Explosive Environments Part 3: Equipment Protected by Increased Safety Type" e "", and meets the requirements of MT/T 1040-2019 "Technical Conditions for YBVF Series Walking Motors for Variable Frequency Speed Control Devices of Coal Mining Machines". The explosion-proof mark Exdb I Mb for electric motors is applicable to underground mining faces containing methane and coal dust explosion hazards. / Technical Parameter / Technical Parameter Rated power Rated voltage Rated frequency Work duty Thermal classification mm® Ingress protection Explosion proof grade Cooling method Cooling water pressure Cooling water temperature Thermal element Rated power mpmm Ingress protection Rated voltage Rated frequency Variable frequency range Work duty Thermal classification Cooling method Cooling water pressure Cooling water temperature Thermal element