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300W Wire Wound Resistor

300W Wire Wound Resistor
Power:300w
Resistance Range:1-12Ohm
Size:266*36mm
weight:640g
educational modeling applications, load testing, industrial machinery, electric power distribution, instruments, automation control installations, lift trucks,overhead cranes, elevators, arc and spot welders, battery chargers, machine tools,conveyors, and UPS systems.
Product Details:

Power:300w

Resistance Range: 1-12Ohm

Size:266*36mm

weight:640g

The Chief Characteristic:

The vertical corrugated winding, space saving, favorable heat dissipation, prolonging the service life. Suitable for large power equipment of DC or low frequency AC circuit. Two kinds of coating methods is available, RXHG-A type selection of glass glaze coating; RXHG-B type selection of organic material coated with high temperature resistance circuit.


Application of 300w wire wound resistor

a.Frequency converter.

b.Electric elevator.

c.Automatic argon arc welder.

d.Hoisting machinery.

e.Building machinery.

f.Rolling mill.

g.Centrifugal machine.

h.Load test.



The Contour Drawing of 300w wire wound resistor


图片1.png


The Chief Technology Parameters & Contour Dimensions 



Type


Power(w)


Resistance

Range()

 Contour Dimension (mm)


Weight (g)

 

 

 

RXHG

-A

 



L

L1

L2

ΦD

H

t

Φd

B1

B


80

1-5.1

140±3.2

170±4

182±4

30±3

64±3

6±1

3.5

6.5

26

263

100

1-6.2

170±3.5

200±4

212±4

30±3

64±3

6±1

3.5

6.5

26

290

150

1-8.2

215±4.0

245±4

257±4

30±3

64±3

6±1

3.5

6.5

26

395

200

1-10

266±3.0

296±4

308±4

30±3

72±3

9±1

4.0

6.5

26

485

300

1-12

266±3.0

296±4

310±4

36±3

84±3

9±1

4.0

6.5

34

640

400

1-20

250±2.0

290±3

312±4

54±3

94±3

16±1

8.0

7.0

48

1000

500

1-51

300±2.0

340±3

362±4

54±3

94±3

16±1

8.0

7.0

48

1350

 

 

RXHG

-B

 

 

 

 


80

0.5-5.1

140±2.0

162±3

174±4

32±3

76±3

12±1

5.5

6.5

28

133

100

0.5-6.2

170±2.0

192±3

204±4

32±3

76±3

12±1

5.5

6.5

28

160

150

0.5-8.2

215±2.0

237±3

249±4

32±3

76±3

12±1

5.5

6.5

28

205

200

1-10

266±2.0

288±3

300±4

32±3

76±3

12±1

5.5

6.5

28

255

300

1-12

266±2.0

288±3

302±4

36±3

88±3

12±1

5.5

6.5

34

410

400

1-20

250±2.0

280±3

302±4

54±3

102±3

15±1

6.5

7.0

48

770

500

1-51

300±2.0

330±3

352±4

54±3

102±3

15±1

6.5

7.0

48

1040

1000

1-68

300±3.0

332±4

362±4

72±3

128±3

16±1

6.5

9.0

68

3000

1500

1-100

420±3.0

452±4

482±4

72±3

128±3

16±1

6.5

9.0

68

4000

2000

1-120

520±3.0

552±4

582±4

72±3

128±3

16±1

6.5

9.0

68

5000

2500

1-150

600±3.0

632±4

662±4

72±3

128±3

16±1

6.5

9.0

68

6000

3000

1-150

700±3.0

732±4

762±4

72±3

128±3

16±1

6.5

9.0

68

7000


The Power Derating Curve 300w wire wound resistor


图片2.png

Sample:   

1. Sample: Could provide sample. 

2. Samples time: Need 3-10 days to prepare the samples after payment.  

3. Samples payment term: T/T, PAYPAL, Western union  

 

Advantage:   

1.Low MOQ: 1pc 

2.New design Accepted:  As your requirement  

3.Good Service:  Customer as God 

4.Good Quality:  Strict quality control  and good reputation  

5.Fast & Cheap Delivery:  Big discount from express agent (Long-term Contract) 


Use Note:

 1. Non-flammable resistors in the first power use: will produce smoke situation, is a normal phenomenon, please feel free to use.

 2. The company's non-flammable coating in line with the United States UL-94 non-flammability test, V-0 rating, combustion duration of 0 seconds.

 3. Resistance to cleaning, non-flammable resistors can not use organic solvent cleaning

 4. In the use of oil, non-flammable resistors can not be used in the oil

 5. High-frequency mechanical use, non-flammable resistors due to wirewound and produce inductance, can not be used in high-frequency machinery, need to use the appropriate resistor, please discuss with us

 6. instantaneous surge (surge) current pulse (pulse): need to be included in a short time plus large load must be confirmed in advance with resistance to instantaneous surge (surge) characteristics



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