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HT3899 Series Through-Bore Slip Ring

The HT3899 Series Through-Bore Slip Ring is designed for rotating equipment requiring continuous 360° power, signal, and data transmission. With a 38.1mm through-bore design and 99mm outer diameter, it is suitable for shaft-mounted systems, rotary tables, automation equipment, packaging machinery, test equipment, and other industrial rotating applications. Custom circuits, current ratings, signal types, wire lengths, and protection grades are available.
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HT3899 Series Through-Bore Slip Ring

product details

Description

The HT3899 series through-bore slip ring features a bore diameter of 38.1mm, an outer diameter of 99mm, and 1–72 channels. It is designed for equipment that requires continuous 360° rotation while transmitting power, signal, or data between stationary and rotating parts.

This series supports signal transmission at 2A, as well as power transmission at 5A or 10A, with a rated voltage of 380VAC / 24VDC. With its standard through-bore structure and flexible circuit combinations, it is suitable for shaft-mounted rotating systems, rotary tables, industrial automation equipment, packaging machinery, testing systems, and other medium-size rotating applications.

Custom options are available for circuit number, current capacity, signal type, wire length, connector type, housing material, protection grade, and working environment.


Specifications

Item Specification
Product Type Through-Bore Slip Ring
Bore Diameter 38.1mm
Outer Diameter 99mm
Number of Channels 1–72 channels
Transmission Type Power / Signal / Data
Current 2A signal / 5A / 10A power
Rated Voltage 380VAC / 24VDC
Working Speed 0–300RPM
Contact Material Precious Metal
Lead Wire Length Stator / Rotor: 300mm
Protection Grade IP51
Insulation Resistance ≥500MΩ@500VDC
Custom Options Circuits, current, signal type, wire length, connector, housing, IP grade


Drawing


HT3899 outline drawing.png


Product Selection Guide

To select a suitable model, please confirm the following information:

  • Bore size

  • Number of circuits

  • Current and voltage requirements

  • Signal type, such as Ethernet, RS485, CANBus, USB, sensor signal, etc.

  • Working speed

  • Installation space

  • Wire length or connector requirements

  • Working environment and protection grade

  • Whether power, signal, data, pneumatic, hydraulic, RF, or fiber optic integration is required

If you are not sure which model is suitable, please send us your equipment requirements. Our engineers can help recommend a suitable slip ring solution.



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Key Features

  • 38.1mm through-bore design, suitable for shaft-mounted rotating equipment

  • 99mm outer diameter for medium-size industrial rotating systems

  • Supports power, signal, and data transmission in one unit

  • Flexible circuit combinations from 1 to 72 channels

  • Supports mixed transmission of power and industrial signals

  • Compatible with Ethernet, RS485, USB, CANBus, sensor signals, and other common industrial signals

  • Precious metal contact design for stable electrical performance

  • Designed for continuous 360° rotation in industrial equipment

  • Customizable circuits, current, wire length, connector type, protection grade, and signal type

 

Main Applications

Application Typical Use
Industrial Automation Used in rotating platforms, indexing tables, and automated machinery
Rotary Tables Allows continuous rotation while maintaining stable electrical connection
Packaging Machinery Transfers power and control signals in rotating parts
Test Equipment Supports stable signal transmission in rotating test systems
Robotics Suitable for rotating joints or equipment requiring power and signal transmission
Construction Machinery Used in rotating structures requiring reliable power and signal transmission
Exhibition / Display Equipment Used in rotating display platforms and moving display systems
Marine & Offshore Equipment Suitable for rotating systems requiring stable power and signal transfer


Customizable Options

  • Bore size

  • Number of circuits

  • Current capacity

  • Voltage rating

  • Signal type

  • Wire length

  • Connector type

  • Housing material

  • Protection grade

  • Working speed

  • Working temperature

  • Integration with pneumatic, hydraulic, RF, or fiber optic rotary joints

Need Customization?

If the standard model does not meet your requirements, please send us your application details, including bore size, circuit number, current, voltage, signal type, working speed, installation space, and operating environment.

Our engineers can help confirm the suitable model or provide a customized through-bore slip ring solution according to your equipment requirements.

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