WOLONG morelt brand brand YBSD series conveyors explosion proof AC three phase induction motor(IEC) are special motors for driving bendable scraper conveyors, belt conveyors or other equipment in coal mines. The explosion-proof performance of the WOLONG advanced induction motor is in accordance with GB3836.1-2010 “Explosive Atmosphere Part 1: General Requirements for Equipment” and GB3836.2-2010 Explosive Atmosphere Part 2: Equipment Protected by Flameproof Enclosure “d”. Its explosion-proof mark is “Ex d I Mb” (“Exd I”-before 2010). It is suitable for the place where the explosive gas mixture of methane or coal dust exists.
Y B S D - 700/350 - 4/8 G
Y B - Asynchronous motor, flameproof type
S- Conveyor
D- Multi-speed
250 - Power(kW)
4- Poles
G- Plateau
Ex dⅠMb
Ex--Explosion Protection Mark
d--Type of Explosion Protection(Explosion-proof Type)
Ⅰ -- Electrical Apparatus Class(ClassⅠ)
Mb -- Equipment Protection Degree
Basic parameters:
Rated Power: 4-400kW(air-air cooling) 160-1600kW 110/55~1000/500kW
Rated Voltage: 380V/660V 660/1140V 1140V 3300V
Rated Frequency: 50Hz
Poles: 4 4/8
Insulation: 180( H)
Temp. Rise: 105K(F) 135K(H)
Cooling Method: IC411 IC3W7
Mounting: IMB3 IMB5 IMB35 IMB10
Protection Grade: IP55 IP67
Service: S1
Ambient temperature: -20 °C ~ + 40 °C(air cold). 0 °C ~ + 40 °C(water cold)
Environment: indoors
Altitude: ≤1000m