MC857 Series
OD 25mm, 2~56 rings
MC857 slip rings
  • MC857 is standard capsule slip rings with gold-gold contacts,which ensured the stabilty of the signal transmission and working life, mainly used for civilian, commercial areas.

    MC8579 is the high-end version corresponding to MC857, ultra-thick gold-plated, imported bearings, rare metal alloy brushes, mainly used for military, defense and other non-civilian areas.
Standard series PART# Explanation

Product Quality Level Table
The difference between MC857 and MC8579:
Part#Max speedWorking lifeTorqueHousing MaterialElectrical noise①@10Rpm
MC857250RPM>20 million Revs0.02 N·mPlastics10mΩ
MC85791000RPM>100 million Revs0.005 N·mMetal4mΩ

Mechanical dataElectrical data
Working LifeSee Prod Quality LevelPowerSignal
Rotating SpeedSee Prod Quality LevelRated Voltage0~440VAC/VDC0~440VAC/VDC
Working Temp.-30℃~80℃Insulation Res≥1000MΩ/500VDC≥1000MΩ/500VDC
Operating Humidity0~85% RHLead WiresAWG#28AWG#28
Contact MaterialSee Prod Quality LevelLead LengthStandard 300mm
Housing MaterialSee Prod Quality LevelDielectric Strength500VAC@50Hz,60s
Torque0.05N.m˙+0.01/1ringRes Noise<0.01Ω
Protection gradeIP51

MC857 Series Parts# List
Part#Signal/2A4A8A15ATotal Wires

If you have special requirements, please contact customer service.


Our experts are here for you!


Request 3D Model(*.STEP) Files

In our 3D database, over 20000 3D -Models are available, due to protection of commercial confidentiality,
Please write your company name and email.

3D Model files will be sent to your emails automatically in 5 minutes.