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Help CenterCopper-Chromium (CuCr) Contact For Vacuum Interrupter
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Copper-Chromium (CuCr) Contact For Vacuum InterrupterUS$ 0.5 - 20MOQ: 10 Pieces
The CuCr contact materials have good performance of breaking and withstand voltage. We have set up four production lines for producing copper-chromium (CuCr) electrical contacts： 1.Vacuum casting
2.VCR(vacuum arc remelting）
3.Vacuum infiltration
4.Powder sintering
We have annual capacity of 8 million pieces of contact, and now have been the largest vacuum contact manufacturing base in the world.
Product Details:
1.The chemical composition and properties：
Material |
Chemical Compositions (wt%) |
Mechanical Properties |
|||||
Cu |
Cr |
Gas Content |
Hardness HB (Mpa) |
Density (g/cm3) |
Electrical Conductivity (Ms/m) |
||
O |
N |
||||||
CuCr50I |
Balance |
47.1-52.0 |
＜0.050 |
＜0.0040 |
80-120 |
≥7.90 |
≥16.0 |
CuCr10C |
Balance |
7.0-12.0 |
＜0.050 |
＜0.0030 |
70-100 |
≥8.60 |
≥40.0 |
CuCr25C |
Balance |
24.0-28.0 |
＜0.080 |
＜0.0050 |
70-105 |
≥8.30 |
≥28.0 |
CuCr30C |
Balance |
28.1-33.0 |
＜0.080 |
＜0.0050 |
75-110 |
≥8.20 |
≥26.0 |
CuCr40C |
Balance |
37.0-42.0 |
＜0.080 |
＜0.0050 |
80-120 |
≥8.00 |
≥20.0 |
CuCr40A |
Balance |
37.0-43.0 |
＜0.060 |
＜0.0030 |
85-125 |
≥8.00 |
≥20.0 |
CuCr50A |
Balance |
47.0-52.0 |
＜0.060 |
＜0.0030 |
85-140 |
≥7.90 |
≥18.0 |
CuCr25P |
Balance |
24.0-28.0 |
≤0.060 |
≤0.0050 |
70-105 |
≥8.10 |
≥28.0 |
CuCr30P |
Balance |
28.1-33.0 |
≤0.065 |
≤0.0050 |
75-110 |
≥7.90 |
≥26.0 |
Remark: C-vacuum casting；I-vacuum infiltration； A-vacuum arc-melting； P-Powder sintering
2.Some results of type tests as follow：
Material |
Voltage |
Contact Size |
Rated current/Rated short-circuit current |
CuCr50I |
126kV |
Ø100×5mm |
2000A/40kA |
40.5kV |
Ø79×4.5mm |
2000A/31.5kA |
|
Ø76×5mm |
1600A/25kA |
||
12kV |
Ø70×4mm |
1600A/40kA |
|
Ø82×5mm |
3150A/50kA |
||
Ø122×6mm |
6300A/80kA |
3.At the customer's request, contact parts can be customized by special design.
4. Free samples can be offered.
5. Contact material in VI.
Send Inquiry to This Supplier
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