YBX4 Series Documentation

xd-symbol Exd I Mb, ExdⅡAT4 Gb, ExdⅡBT4 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.

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

High efficiency IE4

Rating voltage: 380V,660V,380/660V 50Hz & 400V,415V,440V,460V,480V,690V 60Hz (for Exd-symbol Exd Ⅱ and  frame size 80-355) 

              660V/1140V 50Hz & 400V,415V,440V,460V,480V,690V 60Hz (for Exd-symbol Exd Ⅱ and frame size 112-355)

Ideal for the coal mine (Exd I)  and dangerous plant（Ex dⅡAT4、dⅡBT4）where methane and coal dust may be present; and the environment where there is Category Ⅱ Class A and B flammable gas or the flammable mixture of air and steam in Temperature Group T1-T4.

Common frame size corresponding to the power:

 Remark: For the other special rated powers, please contact with us.

WN Motor, Industrial Solutions.