YB3 Series IE2 High Efficiency Explosion-proof Induction Motor

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Features

Exd-symbol Exd  MbExdⅡAT4 GbExdⅡBT4 Gb

Category Ⅰ: surface highest temperature no higher than 150℃ (when coal dust may cover the motor surface), no higher than 450℃ (when coal dust will not cover the surface, or some protection work has been done to prevent the coal dust accumulation)

Category Ⅱ: surface highest temperature no higher than T1(450℃), T2(300℃), T3(200℃), T4(150℃); Terminal box with three or six terminals for rubber jacket cable (plastic cable) and steel cable.

Technical Data

Frame sizes: 80 to 355 ;

Rated output: 0.18 to 315kW ;

Ambient temperature: -15℃~35℃ in coal mine and -15℃~40℃ in plant ;

Degree of protection: IP55 ;

Efficiency levels: IE2 ;

Rating voltage:

380V、660V 50Hz (for Exd-symbol Exd Ⅰ and frame size 80-355) ;

660V、1140V 50Hz (for Exd-symbol Exd Ⅰ and frame size 112-355) ;

380V、660V 50Hz & 400V、415V、 440V、 460V、480V、 690V 60Hz (for Exd-symbol ExdⅡ) ;

Applications

Ideal for the coal mine where methane and coal dust may be present (Exd Ⅰ) and dangerous explosion areas(ExdⅡAT4、dⅡBT4)in the plant with the class ⅡA ⅡB and temperature T1-T4 flammable gas.