The compact standard through hole slip ring can transmit power and signal from fixed point to rotating device, with an operating speed up to 1000rpm. Its streamlined structure features high-density conductive paths while the hollow shaft enables centralized cable routing. It is used in medium and large industrial machinery and aerospace equipment.

Features

High reliability

With a sturdy housing of stainless steel/aluminum alloy, the compact standard through hole slip ring provides protection and support for the internal components, even in case of collision and extrusion.

Efficient transmission

The brushes and conductive rings are designed with spring connections to always maintain good contact pressure. They adapt to different equipment speeds and vibration levels, and keep a stable signal transmission.

Low electrical noise

It adopts the silver and copper alloy conductive materials. These materials have low resistivity, which can reduce current fluctuations caused by uneven or excessive resistance, thereby reducing electrical noise.

Drawing(mm)

Picture

Drawing

Product Parameters

Mechanical:

Working speed	1000rpm
Operating temperature	-40℃~ +100℃
Contact material	Precious metal
IP Grade	IP 54

Electrical:

Circuit	6 , 12, 18, 24
Current	5A, 10A , 15A, 20A or combined rings to get higher current
Voltage	≤380V, 600V optional
Dielectric strength	≥1000V@50Hz between each circuit
Insulation resistance	1000MΩ@ 500VDC
Electric noise	≤7mΩ
Lead wire size	22AWG, 17AWG, UL, color Teflon, silver or tin plated
Lead wire length	300mm

Critical Dimension:

Model	Length "L"
Model	Current	Formula (A means No. of ring)	6 circuits	12 circuits	18circuits
BTH1256	2A/5A	20+2.3×A	33.8mm	47.6mm	61.4mm
	10A	20+2.8×A	37.8mm	53.6mm	70.4mm
	15A/20A	20+3.8×A	42.8mm	65.6mm	88.4mm

FAQ

Q: What technical data should be provided for our customized slip ring model?

A: If you want to customize the special slip ring model, you need provide details as below:
1.Operating speed(RPM)
2.The type of installation
3.Installation size
4.Channels(the No. of single wire besides cable)
5.Rated voltage & current for power rings and signal rings
6.The signal type and related parameters(very important)
7.Operating temperature h.IP(sealing requirements)

Q: How should we choose the aperture of the through-hole slip ring?

A: You need to measure the diameter of the shaft, tube, etc. in the equipment that is to pass through the slip ring through hole. Then, based on this size, choose a slip ring aperture that is slightly larger than its diameter. A slightly larger slip ring inner diameter can be smoothly installed on the rotating shaft of the equipment and will not be stuck due to vibration, thermal expansion and other factors during subsequent operation.

Q: How long is your customization cycle?

A: This varies depending on the complexity of the slip ring, customization requirements and order scheduling. Generally, simple customization, such as adjusting a few parameters based on the existing slip ring, may take 1-2 weeks. More complex customization may take 1-2 months or even longer. Please communicate with us in detail

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