MMC235 Series
OD 12.5mm, 18 rings, signal(2A)/ring
Electrical Rotary Joint
  • MMC235 is a electrical rotary joint with OD 12.5mm, 18 rings, signal(2A)/ring, using gold-gold contact, to ensure the stability and working life, mainly used in the field of civil and commercial.


  • MMC2359 is the high-end electrical rotary joint version corresponding to MMC235, ultra-thick gold plating processing, imported bearings, rare metal alloy brush , mainly used in military, defense and other non-civilian areas.
Standard series PART# Explanation

Product Quality Level Table
The difference between MMC235 and MMC2359:
Part#Max sppedWorking lifeHousing MaterialElectrical noise①@10Rpm
MMC235250RPM>10 million RevsPlastics10mΩ
MMC23591000RPM>30 million RevsMetal4mΩ

Specification of Electrical Rotary Joint
Mechanical dataElectrical data
ParameterValueParameterValue
Working LifeSee Prod Quality LevelPowerSignal
Rotating SpeedSee Prod Quality LevelRated Voltage0~240VAC/VDC0~240VAC/VDC
Working Temp.-30℃~80℃Insulation Res≥600MΩ/500VDC≥600MΩ/500VDC
Operating Humidity0~85% RHLead WiresAWG#28 TeflonAWG#28 Teflon
Contact MaterialSee Prod Quality LevelLead LengthStandard 300mm
Housing MaterialSee Prod Quality LevelDielectric Strength500VAC@50Hz,60s
Torque0.005N.m˙+0.02N.m/6ringRes Noise<0.01Ω
Protection gradeIP51



MMC235 Series Parts# List
Part#Signal/1ATotal Wires
MMC2351818


MMC235


MMC235-FL00



A slip ring can be used in any electromechanical system that requires unrestrained, continuous rotation while transferring power and / or data from a stationary to a rotating structure. A slip ring is also called a electrical rotary joint. The MMC235 compact electrical rotary joint capsule provides up to 12, 2 amp rated contacts in a small, 1/2 inch diameter design. Color-coded lead wires are provided on both the rotor and stator to allow simplified electrical connections.

If you have special requirements for electrical rotary joint, please contact customer service.

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