Slip Ring Assemblies
We supply built-up or moulded slip ring assemblies, as well as brush holders and carbon brushes to suit. Providing high performance solutions, we also offer repairs and refurbishment.

Typical features of our slip ring assemblies are:
- Moulded or built-up capability
- Available in steel, stainless steel, bronze or cupronickel
- Testing for high potential, over-speed, temperature extremes and more
- Complimentary quality brushes, holders and mounting cage assemblies
- 1 to 8 rings
- 24 to 750 mm outside diameter
- To 550 V AC/600 V DC
- High mechanical and thermal resistance
- Excellent dielectric properties
- Lengths up to r of 1000 mm
- Insulation class H
Built-up slip ring assemblies
We offer built-up slip rings for your power applications, in various materials and sizes.
Our capabilities include:
- Ring material - availability in steel, stainless steel, bronze or brass
- Testing for high potential, over speed, temperature extremes and more
- Complimentary quality brush holder and riggings
- Design specific to your application
This is only an overview of our capabilities – our product range is more diverse and includes custom built slip rings and repairs.
Index |
Model Type |
Power MW |
Speed rpm |
Rated Current A |
|
Outer Diameter mm |
Inner Diameter mm |
1 |
DH240 |
850kw |
1000~2000 |
300 |
|
240 |
79/80 |
2 |
DH280 |
1.5 |
1000~2000 |
480 |
|
280 |
119/120 |
3 |
DH300 |
1.5 |
1500~1800 |
500 |
|
300 |
119/120 |
4 |
DH320 |
1.5/2 |
1000~2000 |
800 |
|
320 |
138/139 |
5 |
DH350 |
2.5/3 |
1600 |
1000 |
|
350 |
149/150 |
6 |
DH450 |
6 |
1170 |
1800 |
|
450 |
188/190 |
Moulded slip rings
Our range of moulded slip rings includes press-fit, injection moulded and shrink-fit versions in steel, stainless steel, copper, bronze, cupronickel, which provide excellent resistance to corrosion and oxidisation. The low-friction design ensures good current carrying capability, high performance and long life.
Press-fit slip ring collectors
Features include:
- High resistance to vibration and shock
- Temperatures up to 200 degrees Celsius
- High resistance to tropical conditions
- Circumferential speeds of up to 40m/s
- Max. diameter of the slip rings 350mm
- Max. total length 420mm
Injection-moulded slip ring collectors
Features include:
- Max. outside diameter 100mm
- Plastic with 30% glass fibre reinforcement
- Steady-state temperatures of max. 120°C
For more information on our range of slip ring assemblies, contact us today.