YBSD SERIES MINING EXPLOSION-PROOF DUAL SPEED THREE-PHASE ASYNCHRONOUS MOTOR EXPLOSION PROOF THREE-PHASE ASYNCHRONOUS MOTOR FOR UNDERGROUND COAL MINES |VPnn®5S / Product Overview **5UteSWM&£GB/T 3836.1-2021 migB»:S& iIfflg)£»,GB/T 3836.2-2021 $28#: AHR The YBSD series mining explosion-proof dual speed three-phase asynchronous motor is suitable for driving scraper conveyors, scraper loaders, belt conveyors, and other similar mining machinery 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 249-2019 "YBSD Series Mining Explosion proof Dual speed Three phase Asynchronous Motors". The explosion-proof mark Exdb I Mb for electric motors is applicable to underground mining faces containing methane and coal dust explosion hazards. The YBK3 series explosion-proof three-phase asynchronous motor is suitable for driving general mechanical equipment 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 Enclosures", and also meets JB/T 9593.1-2015 "Technical Conditions for Explosion proof Three phase Asynchronous Motors Used in Coal Mines Part 1: YBK3 Series Explosion proof Three phase Asynchronous Motors Used in Coal Mines (Frame Number 80-355)" and Q/YL001-2022 "Technical Conditions for Explosion proof Three phase Asynchronous Motors Used in Coal Mines (Frame Number)". Requirements for numbers 400-450. 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 Rated power Number of poles Rated voltage Rated frequency Work duty Thermal classification Ingress protection Explosion proof grade Cooling method Cooling water pressure Cooling water temperature Thermal element Rated power Rated voltage Rated frequency Work duty Thermal classification Ingress protection Explosion proof grade Cooling method Thermal element