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Frame size: 80~355mm.
Rated power range: 0.55～315kWNumber of poles: 2～16 poles
Rated voltage: 380, 660, 380/660V. (Note: Basic series 3kW and below voltage 380V is Y connection, 3kW and above voltage 380V is △ connection; special voltage can also be manufactured)
Rated frequency: 50Hz
Insulation: 155 (F) class
Efficiency: Energy efficiency class 2/energy efficiency class 3
Cooling method: IC411
Installation method: IMB3 (other installation methods can also be manufactured).
Protection level: IP65, IP55
Operating mode: S1
Explosion-proof marks: Ex tD A21 IP65 T 130°C, Ex tD A22 IP65 T 130°C, Ex tD A22 IP55 T 130°C
Ambient air temperature: -15～+40℃.
Altitude: no more than 1000m.
(The special ambient air temperature and altitude need to be agreed by both parties, please mention it when ordering.)
YFB4/YFB3series dust explosion-proof three-phase asynchronous motors are fully enclosed self-fan-cooled squirrel-cage three-phase asynchronous motors. It has the characteristics of small size, light weight, reliable operation, beautiful appearance, etc., and has the advantages of high efficiency, low noise, small vibration, large temperature rise margin, excellent performance, advanced and reasonable explosion-proof structure, safe and reliable use, etc.
Mainly used in medicine, textile (such as cotton fiber, flax fiber, chemical fiber, etc.), metallurgy (magnesium powder, aluminum powder, carbon powder, etc.), grain processing (such as wheat, corn, grain, etc.), feed processing (blood meal, fish meal ), chemical fertilizers, tobacco, papermaking, synthetic materials (such as plastics, dyes), building materials and other places where combustible dust exists.
