Bore 25.4mm IP54 8 Circuits 20A Through Bore Slip Ring for crane cable reels

Bore 25.4mm 8 Circuits 20A Contacts China Standard Slip Rings Rotary Joints 12 Signal Electrical Connector

​Continuous transmission of signal and data under 360° rotation freely
Apply advanced fiber brush technology, free of maintenance or lubricating oil.
Low torque, smooth rotation
Electrical noise＜0.01 Ω
Multi contact points in each circuit, low contact pressure, low noise, low contact wear
Standardized & modularized design;
Customized solutions also available

Through Bore Slip Ring Product Details

Whether you’re looking for a wind generator slip ring, slip rings for robotic manufacturing equipment, or a solution for any other challenging application, JARCH has what you need. General specifications for our hollow shaft slip rings are listed below.

Custom slip rings are also available—Contact us to discuss your custom requirements.

JARCH TH Series Through Bore Slip Rings
JARCH TH Series through bore slip rings are ideal for applications where signals and power need to be transferred, and a through-hole is required to pass either a shaft or other feed through. Designed for compact spaces, they are especially well-suited slip rings for use in wind turbines and generators.

Through bore size 3mm to 900mm

Circuit number 2-350

Operation speed:up to 250rpm, 800rpm, 1500rpm

Circuit current: 2A, 5A, 10A, 15A, 20A, 50A, 100A, 200A, up to 400A.

Power circuit and Ethernet signal circuit can be integrated to one unit slip ring

ABS plastic housing and AL housing are optional

Flexible, color-coded, silver-plated, Teflon® insulated lead wires

Contact material silver to silver coating

Standard wire leads length is 500mm

Standard temperature is -20°C to +80°C

Insulation strength 500V AC@50HZ 60S

Insulation resistant 500MΩ 500VDC

Long life cycles up to 80 million cycles

Protection grade IP 51, IP54, IP 65

Ethernet circuits can transmission 100Mbps, 1Giga data.

High Performance, Long-Life Hollow Shaft Slip Rings
Also known as hollow shaft slip rings, our through bore slip rings use a modular design that allows for unprecedented flexibility with respect to package size and circuit count. We can provide numerous combinations of high current power circuits and low current signal circuits to meet your application requirements.
Standard units can be supplied in any of ten standard sizes, with bore diameters from 3mm to 100mm. Large diameter through bore slip rings are available as custom solutions.
TH Series hollow shaft slip rings use Orbex’s advanced channeled brush technology to greatly increase service life. This innovative design provides multiple contact points and low contact force, dramatically reducing wear in demanding applications.

Features & Benefits of TH Series Through Bore Slip Rings

• Multiple sizes available
• Modular design
• Durable construction for long working life
• Maintenance free operation
• Easily customizable—Contact us for custom slip ring units
• CE and RoHS Compliant

Common Hollow Shaft Slip Ring Applications

• Wind generator slip rings
• Rotary tables
• Packaging machinery
• Bottling machinery
• Cable reel through bore slip rings
• Robotic and automated equipment
• Machinery turrets and tool changers
• Medical equipment
• Downhole inspection equipment
• Pan and tilt heads

• Typical Applications:

  Industrial machinery-machining center, rotary index table

  Heavy equipment turrets, cable reels, test equipment

  Packaging machines, palletizing machines, magnetic clutch

  Process equipment

  Rotary sensors, emergency lighting, robotics

  Medical equipment

  radar system

  labeling

Contact JARCH today for the through bore electric slip rings your application needs. Contact us for CAD files and solid models.

Shenzhen JARCH Electronics Technology Co.,Ltd. is a professional manufacturer and designer of slip rings & rotary joints，founded in 1998, located in Bao’an,Shenzhen,with more than 80 employees and 1000m² plant.

Our Company

We have 8 types of patented products at present and have established extensive and long-term cooperation with many domestic research institutes(Beijing University,SAS,,Beihang University,etc), and own a skilled management team.To creat the brand and do famous brand,we carry out strict performance.

Our slip rings are widely used in civil and military fields ranging from robot,spacecraft, industrial automation, electric power generation, measurement instruments, medical equipment to building construction. Our main products have fiber optic rotary joint / Electro-optical slip ring/ through bore slip ring/ Pneumatic electric rotary union/ Hydraulic rotary union/through bore slip ring/ Pneumatic rotary joint,etc.

Our Slip ring & Cable Reel Drum Processing Center

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Our products are sold to more than thirty provinces in China and exported to more than 38 countries. Our main customers have Huawei,Foxconn,Sany Heavy Industry,BYD,etc.

OEM and ODM are highly welcome!