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YB3 Three Phase AC Induction Electric ATEX dII Explosion Proof Mining Motors wv for mine metallurgy
Ideal for the coal mine where methane and coal dust may possibly be current(Ex dI)and harmful explosion regions(Ex dIIT4,dIIBT4)in the plant with the classIIA, IIB and temperature T1~T4 flammable gasoline.
Exd-symnbol ExdI,ExdIIAT4,ExdIIBT4, Class I:surface area greatest temperature no greater than 150ºC(when coal dust could protect the motor floor), no increased than 450ºC(when coal dust will not cover the area or some defense work has been accomplished to stop the coal dust accumulation) CategoryII :surface area optimum temperature no larger than T1(450ºC),T2(300ºC),T3(200ºC),T4(135ºC) Terminal box with 3 or 6 terminals for rubber jacket cable (plastic cable) and steel cable.
Ambient temperature:-15ºC~35ºC in coal mine and -15ºC~40ºC in plant.
Rated Voltage: 380V, 660V, 380/660V
- Frame dimension: 140 ~ 440
- Rated electricity: 1 to 250HP
- Frame measurements: 80 to 355 Rated output: .eighteen to 315kW
- Voltage: 380V,660V,380/660V 50Hz (for Exd-image Exd I and frame size 80-355)
- 660V/1140V 50Hz (for ExdI-image Exd I and body size 112-355)
- 380V, 660V, 380/660V 50Hz & 400V, 415V, 440V, 460V, 480V, 690V 60Hz(for Exd-symbol ExdII)
- Diploma of defense: IP55
- Effectiveness stages: IE2
Standard mounting kind and suitable frame dimension are provided in subsequent table(with “√”)
|Frame||Basic Kind||Derived Sort|
|one hundred eighty~280||√||√||√||√||–||–||–||–||–||–||–||–||–||–||–||–||–|
Note: “√” signifies the type of framework that can be produced. When purchasing the motor, if the terminal box is not specified, it is best variety.
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