This miniature through bore slip ring can continuously transmit power, signal, weak current and high voltage under 360-degree infinite rotation. It features an ultra-compact 4mm inner diameter (ID) and 22mm outer diameter (OD). So people use it in space-critical applications, including oil drilling tools, LiDAR systems, and VR/AR devices.

Features

Multi-channel integration

The miniature through-bore slip ring also has 6-12 channels of signal and power transmission capabilities, which can be connected to complex equipment in multiple ways.

Efficient transmission

It uses gold and silver brushes, the materiasls have high conductivity and oxidation resistance. So, it can not only transmit current efficiently, but also maintain resistance below 7mΩ and low signal loss.

Stable operation

The slip ring can run smoothly at a speed of 500rpm. Cause we use a dynamic balance design for its internal structure to adapt to the operation of various medium-speed rotating equipment.

Drawing(mm)

Picture

Drawing

Product Parameters

Mechanical

Working speed	500rpm
Operating temperature	-40℃~ +100℃
Contact material	Precious metal
IP Grade	IP 54

Electrical

Circuit	6 & 8 & 12
Current	2A
Voltage	≤380V
Dielectric strength	≥1000V@50Hz between each circuit
Insulation resistance	1000MΩ@ 500VDC
Electric noise	≤7mΩ
Lead wire size	26AWG, UL, color Teflon, silver or tin plated
Lead wire length	200mm

Dimension

TYPE	Rings	Length	ID	OD
BHT0422-6	6	24.8mm	Φ4mm	Φ22mm
BTH042-8	8	28.8mm	Φ4mm	Φ22mm
BTH0422-12	12	36.8mm	Φ4mm	Φ22mm

BTH042-40

84mm

Φ4mm

Φ22mm

FAQ

Q: What is the usual lifespan of these slip rings?

A: The lifespan of a miniature through-bore slip ring can range from a few years to several decades. This largely depends on the operating environment, maintenance practices, loading conditions, and quality of the device.

Q: Can slip rings handle both power and data signals?

A: Yes, slip rings are designed to handle both power transmission and data signals. Some slip rings can even handle different types and levels of power and data signals simultaneously. But you'd better to ensure whether its specifications match your application's requirements.

Q: Where can I find information about the configuration (color code) of a single wire?
A: You can find detailed information about the configuration and electrical connection instructions of the rotor and stator in the data sheet. If you need another data sheet, please feel free to contact us. We are happy to help you.

Q: What is your warranty?
A: For the standard model, it will be replaced free of charge within 6 months and repaired free of charge within 1 year.

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