Explosion Proof Motor AC 75kw Three Phase Induction Motor
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Applications
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.
Features
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.
Ambient temperature:-15ºC~35ºC in coal mine and -15ºC~40ºC in plant.
Rated Voltage: 380V, 660V, 380/660V, 660/1140V
General Description
- Rated power: 1 to 375KW
- Frame sizes: 80 to 355
- Voltage: 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: IP55
- Efficiency levels: IE3
Mounting
Conventional mounting type and suitable frame size are given in following table(with
"√")
| Frame |
Basic Type |
Derived Type |
| B3 |
B5 |
B35 |
V1 |
V3 |
V5 |
V6 |
B6 |
B7 |
B8 |
V15 |
V17 |
V35 |
V37 |
B14 |
B34 |
V18 |
| 80~112 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
| 132~160 |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
√ |
- |
- |
- |
| 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.
Factory
Main process flow of the motor
Motor stator: casing processing → punching press → iron core seating → coil making → weaving → dipping paint drying
Electronic rotor: blank shaft processing → iron core press installation → iron core cast aluminum → rotor string shaft → weave → dipping paint drying → dynamic balance
Motor assembly: stator rotor assembly → machine test → motor appearance coloring → packaging storage
Professional equipment
The company has large-scale laboratory, intelligent CNC winding machine, CNC rising machine, automatic wrapping machine, VPI high pressure vacuum immersion system, large-scale dipping paint drying furnace, 60 tons test platform, large vertical car, milling machine, grinding machine, Each type of dynamic balancing machine, double-feedback test and detection system with 6MW (12MW) motor and other motor production professional equipment more than 500 sets, sound mechanical equipment processing capacity, to lay a good foundation for customers to improve good quality motor products.
CONTACT INFORMATION
If you are interested in our products motor,pls feel free to contact us! Thank you very much!
ANHUI YONGHUA MOTOR TECHNOLOGY CO., LTD
ADDRESS: No. 8 Shengli East Road, Longzihu District, Bengbu, Anhui, China
TEL :+(86) 17375397730
Welcome to visit our factory!!!
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