EMHEATER brake resistor for frequency inverter and UPS system braking

Applications:

Elevator, port machinery, rolling mills, hoist the generator, inverter and other brake and load
Use of the environment:
Rated temperature (+70 °C); use with the temperature range (-55 °C ~ +375 °C)
Structure:
Rated power temperature (+70 °C); use with the temperature range (-55 °C ~ +375 °C)
Applicable standards: GB/T5729-2003 GB5732-85

Rated Power(W)

Resistance Range(Ω)

Outside the type size(mm)                  

Resistance Tolerance(%)

Temperature coefficient

D±1

L1±3

L2±3

h±3

H±3

N±1

o±1

q±1

Q±1

15W

0.12Ω-15KΩ

16

50

68

20

40

6

3

4.5

15

±5%

±250ppm

20W

0.12Ω-20KΩ

20

52

78

26

52

6

3

5

20

30W

0.12Ω-25KΩ

20

75

100

26

52

6

3

5

20

40W

0.12Ω-30KΩ

20

75

100

26

52

6

3

5

20

50W

0.3Ω~30KΩ

28

90

100

26

52

9

3

5

20

75W

0.3Ω~30KΩ

28

140

166

30

65

9

4

6

27

100W

0.5Ω~30KΩ

20

165

195

26

52

6

3

5

20

0.5Ω~30KΩ

28

170

200

30

65

9

4

6

27

0.5Ω~30KΩ

40

90

122

46

90

10

5

6

40

150W

0.5Ω~30KΩ

28

215

241

30

65

9

4

6

27

200W

0.5Ω~30KΩ

28

267

290

30

65

9

4

6

27

0.5Ω~30KΩ

40

160

192

46

90

10

5

6

39

250W

0.5Ω~30KΩ

40

180

212

46

90

10

5

6

39

0.5Ω~30KΩ

40

200

235

46

90

10

5

6

39

300W

0.5Ω~30KΩ

40

267

300

46

90

10

5

6

39

350W

0.5Ω~30KΩ

40

330

360

46

90

10

5

6

39

400W

0.5Ω~10KΩ

40

330

360

46

90

10

5

6

39

500W

0.5Ω~10KΩ

50

300

338

45

90

10

5

6

49

750W

0.5Ω~10KΩ

50

330

368

45

90

10

5

6

49

1000W

0.5Ω~10KΩ

60

250

305

64

130

15

5

6

59

0.5Ω~10KΩ

60

430

485

64

130

15

5

6

59

1500W

0.5Ω~10KΩ

70

300

360

76

145

15

5

8

69

2000W

0.5Ω~8KΩ

70

430

490

76

145

15

5

8

69

3000W

0.5Ω~5KΩ

80

250

350

90

155

15

5

8

80

5000W

0.5Ω~5KΩ

80

430

530

90

155

15

5

8

80

10KW

0.5Ω~5KΩ

100

430

600

130

365

30

8

10

100

The main test items, test methods and performance requirements

Test items

Performance requirements

Test methods

Temperature coefficient of resistance

≤±250(×10-6/°C)

-55°C/+20°C,20°C/+125°C

Terminal Strength

R≤±(1%R+0.05Ω)

Pull 20N

Dielectric

No breakdown or flashover

2500V DC,1min

Weldability

Solder to flow freely and with terminals infiltration

235±5°C2±0.5s

Resistance to soldering heat

ΔR≤±(1%R+0.05Ω)

260±5°C10±1s

Short-time overload

ΔR≤±(2%R+0.05Ω)

10 times the rated power, 5s

Rapid changes in temperature

ΔR≤±(1%R+0.05Ω)

-55 °C / +125 °C 5 cycles

Vibration

ΔR≤±(1%R+0.05Ω)

10~500Hz98m/s2

Long-term load

ΔR≤±(2%R+0.05Ω)

+70±2°C VR 1000h

Non-flammable

Not burning

1 to 6 times the rated power for 5 minutes

Surface temperature rise

≤350°C

The rated power

Insulation resistance value

1000MΩ

1000V DC