YBK3 serles explosion-proof three-phase asynchronous motor for un

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YBK3 serles explosion-proof three-phase asynchronous motor for underground mine


YBK3 Series (Frame Size 80–355) Flameproof Three-Phase Asynchronous Motors for Underground Coal Mines (hereinafter referred to as: Motors) are suitable for use as general-purpose power equipment in electrical installations within coal mines containing methane or coal dust. The explosion-proof performance of the motors complies with GB3836.1-2021 “Explosive Atmospheres - Part 1: Equipment - General Requirements,” GB3836.2-2021 “Explosive Atmospheres - Part 2: Equipment Protected by Flameproof Enclosures ‘d’,” and MT451-2011 “General Technical Specifications for Safety Performance of Flameproof Low-Voltage Three-Phase Asynchronous Motors for Coal Mines.” The explosion-proof marking is II 2G Exdb I Mb, suitable for locations in coal mine underground mining faces where methane combustible gas or coal dust mixed with air forms an explosive gas atmosphere.