High Temperature Slip Ring NHG5075

NHG5075 series with through hole 50mm, OD75mm, suitable for rotating application which requires a through hole ≤50mm and suitable for high temperature (250℃) environment.


Electrical DataMechanical Data
Rated VoltagePower,0~380VAC/VDC
Max. Speed0-250RPM
Insulation ResistancePower,≥1000MΩ/1000VDC
Operating Temperature-20℃~+250℃
Dielectric StrengthPower,500VAC@50Hz,60s
Operating Humidity0-85% RH
Lead SizePower,AWG16# sliver plated Teflon
Signal,AWG26# sliver plated Teflon
Structure MaterialAluminum alloy
Lead LengthStandard 500mm(adjustable)Contact MaterialPrecious metal
Dynamic Resistance<0.01ΩProtection GradeIP51
Operating Torque0.2N•m within 6 rings, increase 0.03 N•m for every 6 rings added


Quality GradeMax. SpeedWorking LifeContact Material
Standard250rpm30 million revsPrecious material
Industrial600rpm50 million revsPrecious material


ModelPower Rings (10A)Signal Rings (5A)Length L(mm)

Typical drawing


◆ Multi-point brush contact material ensure long life

◆ Integrated structure design for easy installation

◆ Standard model supports 1-24 power rings(0-12A/ring) or 1-48 signal rings(0~2A/ring)

◆ Both the data bus agreement compatible

◆ Transmit analog and digital signals

◆ Both the data bus agreement compatible

◆ Free maintenance


◆ Leads exit way and length can be customized for both rotor and stator

◆ Flange mounting is optional

◆ Support mixed high speed data transmission(including Ethernet, USB, Profibus, Ethercat, CANOPEN,CANBUS, RS232, RS485, etc.)

◆ High speed customization

◆ High temperature customization

◆ Temperature control signal and thermocouple signal can be combined

◆ Special environment can be customized, such as quakeproof, high temperature, etc.

◆ Hybrid pneumatic/hydraulic and electric slip ring can be mixed

◆ Hybrid slip ring for various signals of servo system, power line and encoder line

◆ Optional for underwater IP65, IP68

Model designation

Lead wires color code