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Carbon/Graphite Brushes for Electric MotorsPhenolic-Bonded Carbon and Carbon/Graphite Brushes
Key Benefits:
- Use in higher voltage motors
- Lower cost to performance ratio
- Materials can be tailored to provide excellent commutation and life in various applications
Specifications*:
|
Grade |
Specific Resistance
Ohm-inch |
Density
g/tm2 |
Current Density A/In2 |
Typical Voltage |
Contact Drop |
Hardness Shore |
Speed
Ft./M in. |
| P125A |
0.01 |
1.8 |
60 |
>100 |
H |
40 |
7000 |
| P126A |
0.02 |
1.8 |
60 |
>100 |
M |
35 |
7000 |
| P127A |
0.003 |
1.85 |
60 |
>90 |
M |
25 |
7500 |
| P128A |
0.004 |
1.66 |
60 |
>100 |
ML |
35 |
7000 |
| P130A |
0.02 |
1.93 |
60 |
>100 |
M |
30 |
7000 |
| P131A |
0.003 |
2.0 |
100 |
>18 |
L |
25 |
8000 |
| P132A |
0.005 |
1.71 |
60 |
>100 |
M |
30 |
7000 |
| P133A |
0.002 |
2.2 |
60 |
>100 |
M |
25 |
7000 |
*Small sample of grades produced, materials are designed and modified to match applications.
 Epoxy-Bonded Carbon and Carbon/Graphite Brushes
Key Benefits:
- Extremely low density
- Use in higher voltage / higher speed motors
- Materials can be tailored to provide excellent commutation and life in various applications
Specifications*:
| Grade |
Specific Resistance
Ohm-inch |
Density
g/tm2 |
Current Density A/In2 |
Typical Voltage |
Contact Drop |
Hardness Shore |
Speed
Ft./M in. |
| E001A |
0.035 |
1.87 |
50 |
>100 |
H |
28 |
8000 |
| E002A |
0.018 |
1.62 |
60 |
>100 |
H |
27 |
8000 |
*Small sample of grades produced, materials are designed and modified to match applications.
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