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Help Center75 kw 440 V 600-2000 Rpm Z4-250-31 Electrical dc Motor
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440v electrical dc motor 75kw
The insulation class of the motor is F, using of reliable insulation structure and nonmenstruum vacuum pressure impregnated, guaranteeing the stable performance of insulation and good heat dissipation..
|
Percentage of basic speed |
Percentage of basic speed |
|
|
seldom using |
constantly using |
100 |
200 |
175 |
200 |
160 |
150 |
>300 |
140 |
125 |
metal rolling mill DC motor: The output power of this kind of motor is about 20% lower than kind (A). The detailed numerical value can be negotiated by the user and the manufacture.For more technical parameters, please kindly check the following chart.
Percentage of basic speed |
Percentage of basic speed |
|
|
seldom using |
constantly using |
100 |
200(180*) |
175(160*) |
200 |
160(180*) |
160 |
>300 |
175(160*) |
140 |
*:When the basic speed of the motor≥650r/min,using the number in the bracket. | ||
Cooling Method&Structure
1. The methods and defend class of the motor
a) The method of cooling of the motor is separately-cooled, according to the GB/T1993 “Method of cooling of rotating electrical machinery”, there are IC06, IC17, IC37, IC86W. Standard entrance of cooling air is at the end of the main transmission (not the commutator side).The defend class of the motor can be divided into IP23 and IP44 according to the GB/T4942.1 ”the crust defend class of rotating electrical machinery (IP code)”. If the user needs other method of cooling and defend class, it can be negotiated.
b) The relation between the method of cooling and the defend class of the motor please see Table
c)The cooling wind, wind pressure, cooling water flux, motor power see the following table
Frame |
Cooling wind |
wind pressure (whisht pressure) |
motor power |
weight |
cooling water flux |
motor power |
weight |
|
M3/hr |
Pa |
Kw |
Kg |
M3/hr |
Kw |
Kg |
H500 |
10000 |
1900 |
7.5 |
300 |
19 |
11 |
900 |
H560 |
16500 |
2250 |
15 |
400 |
22 |
18.5 |
1100 |
H710 |
23500 |
2400 |
18.5 |
600 |
40 |
2*11 |
1600 |
For more details, welcome to contact us.
Pre-sale service: After-sale services:
In-time replying in 5 hours 1 year warranty
First time reply in our work time Proper training if required
Plant visit is supported Help repair or change at the first time
Sample order In-time goods tracing
China Electric (Shanghai) Co., Ltd. is established since 1960s. It locates in Shanghai - the most important international financial and business center of China and has employees more than 1000. Its factory is about 30,000~50,000 square meters. With rich experience in manufacturing and exploring motors, the company has got ISO 9001:2000 Management Certification, CE Certificate for European Union, UL and CSA Certificate for North America, GOST Certificate for Russia and SONCAP Certificate for Nigeria for its products.
1. How can I get a quotation?
You can send your inquiry to the below rectangular blank directly and we will reply you in 5 hours.
2. Can I get a sample?
Yes. We can offer you a sample but it might not be free. However, we can give discount in your later order.
3. Can I view your factory?
Yes. We accept view of our factory in before order. Tell us your agenda in advance and we
can arrange then.
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