Brake Resistor/braking Resistor Matching With 0.75kW-500kW Inverter
EMHEATER Brake Resistor Selection
|
Applications: Elevator, port machinery, rolling mills, hoist the generator, inverter and other brake and load |
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 |
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