YBK3YBK3 Series Flameproof Three-Phase Asynchronous Motor for Coal Mines (Exd I Mb)
YBK3 Coal Mine Flameproof Motor HUALI
YBK3 are Group I flameproof motors for underground coal mines with methane/coal dust atmospheres. Output 0.55–315 kW in frames 80–355, 2/4/6/8 poles (315–355 also 10). Voltage 380 or 660 V for frames 80–100 and dual 380/660 V or 660/1140 V for 112–355. Marked Exd I Mb per GB 3836.1-2010 / GB 3836.2-2010, standard JB/T 9593.1-2015; every frame size holds an MA mining safety certificate. IP55, IC411, class F insulation; underground ambient up to 35 °C. IE2-level efficiency (90.6 % at 15 kW/4p). Russian equivalents: VRP, AVR, VRM mining series.
Specifications
- Power range
- 0.55–315 kW
- Frame sizes
- 80–355 mm
- Poles
- 2 / 4 / 6 / 8 (315–355 also 10)
- Voltage
- 380 or 660 V (80–100); 380/660 or 660/1140 V (112–355), 50 Hz
- Ex marking
- Exd I Mb, mining (GB 3836.1-2010, GB 3836.2-2010)
- Certification
- MA certificates for every frame; JB/T 9593.1-2015; Q/1082SHL105-2021
- Protection / cooling
- IP55 / IC411
- Insulation / ambient
- Class F, class B rise; up to 35 °C underground
Applications
- Underground scraper and belt conveyors
- Auxiliary mine ventilation fans
- Mine dewatering pumps
- Auxiliary drives of roadheaders and shearers
- Winches and hoists in underground workings
We will select the right size for your task and prepare a quotation under a direct SDS contract.
