YB3 ATEX Certification AC Induction Electric Explosion Flame Proof Fan Pump Blower Motor for Industry
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Ideal for the coal mine where methane and coal dust may be present(Ex dI)and dangerous explosion areas(Ex dIIT4,dIIBT4)in the plant with the classIIA, IIB and temperature T1~T4 flammable gas.
Exd-symnbol ExdI,ExdIIAT4,ExdIIBT4, Category I:surface highest temperature no higher than 150ºC(when coal dust may cover the motor surface), no higher than 450ºC(when coal dust will not cover the surface or some protection work has been done to prevent the coal dust accumulation) CategoryII :surface highest temperature no higher than T1(450ºC),T2(300ºC),T3(200ºC),T4(135ºC); Terminal box with three or six terminals for rubber jacket cable (plastic cable) and steel cable.-15ºC~35ºC in coal mine and -15ºC~40ºC in plant.
380V, 660V, 380/660Vframe size:140 ~440Rated power: 1to 250HPframe sizes: 80 to 355 Rated output: 0.18 to 315kWVoltage: 380V,660V,380/660V 50Hz (for Exd-symbol Exd I and frame size 80-355);660V/1140V 50Hz (for ExdI-symbol Exd I and frame size 112-355);380V, 660V, 380/660V 50Hz & 400V, 415V, 440V, 460V, 480V, 690V 60Hz(for Exd-symbol ExdII) Degree of protection: IP55Efficiency levels: IE2
Conventional mounting type and suitable frame size are given in following table(with "√")frameBasic TypeDerived TypeB3B5B35V1V3V5V6B6B7B8V15V17V35V37B14B34V1880~112√√√√√√√√√√√√√√√√√132~160√√√√√√√√√√&radiManipulator c;√√√---180~280√√√√-------------315~355√-√√-------------Note: "√" indicates the type of structure that can be manufactured. When ordering the motor, if the terminal box is not specified, it is top type.