FEATURES

Consistent Power & Signal Transmission at High-Speeds

  • Capable of speeds up to 10,000 RPM.
  • Reliable, maintenance-free operation.
  • Consistent, high quality signal and power transmission, stationary and rotating alike.
  • Low and stable electrical resistance.

ROTOCON high-speed rotary electrical connectors are designed for end-of-workpiece mounting and can operate at speeds up to 10,000 RPM. Available with up to 12 electrical channels and nearly 6 amps of ampacity in a compact design, the ROTOCON MM Series efficiently transmits both low-current power and data signals within a single assembly.

ROTOCON high-speed rotary electrical connectors are widely used in demanding applications, including electric/IC engine test stands, medical devices and instrumentation, motor vehicle testing, and industrial and scientific research applications.

Designed to provide consistent power and signal transmission with zero fluctuation, ROTOCON high-speed rotary electrical connectors maintain performance regardless of high rotational speeds or total revolutions.

Unlike traditional brushed slip rings, which suffer from wear, signal degradation, and frequent maintenance, ROTOCON high-speed rotary electrical connectors feature a sealed, brushless design, ensuring long-lasting, uninterrupted performance. Constructed from durable materials, they are environmentally sealed for use in harsh industrial and research environments.

ROTOCON high-speed rotary electrical connectors are easily configurable to meet the exact needs of your high-speed application. Customization options include mechanical mounting, electrical terminations, and additional value-added features. Additionally, Meridian Laboratory offers Custom Slip Rings with cost-effective and efficient lead times for both low and high-volume applications.

For applications requiring rotational speeds up to 40K RPM, see our UHS Series of Ultra-High-Speed Slip Rings. If you need more than 12 electrical channels, explore our MX Series of Multi-Channel Slip Rings.

Advantages

Why Choose ROTOCON High-Speed Rotary Electrical Connectors?

ROTOCON SLIP RINGS DELIVER SUPERIOR RESULTS FOR HIGH SPEED APPLICATIONS

ROTOCON miniature high-speed slip rings are ideal for high-speed applications which require consistent electrical signal quality and performance. The superior brushless technology utilized in all ROTOCON slip rings delivers a clean and consistent signal unaffected by the speed or duration of rotation, providing a stable and reliable solution for high-speed applications.

  • Unaffected by rotational speed or total number of revolutions
  • Low and stable electrical resistance without fluctuation
  • Does not require maintenance or adjustment

BRUSHLESS TECHNOLOGY DELIVERS SUPERIOR RESULTS

ROTOCON high-speed rotating electrical connectors are brushless by design, functioning through a molecularly bonded, liquid metal film contact to transfer electrical power and signal. ROTOCON rotating electrical connectors introduce near-zero electrical resistance while stationary or during rotation – regardless of rotational speed or total number of revolutions.

  • Near-zero electrical noise, stationary or rotating
  • High speed capable without fluctuation in electrical resistance
  • No internal wear parts

HIGH SPEED ROTARY ELECTRICAL CONNECTORS WITHOUT MAINTENANCE

Conventional brushed slip rings rely on metal-on-metal contact to transfer power between stationary and rotating components. ROTOCON high-speed rotary electrical connectors do not have any internal wear parts, and therefore do not require any maintenance, adjustment, or replacement of parts during the lifetime of their use.

  • No metal-on-metal contact
  • 100% maintenance-free
  • Outlast traditional brushed slip rings
  • Routinely surpass 500m+ total revolutions

PERFECT SLIP RING SIGNAL INTEGRITY

ROTOCON high-speed rotary electrical connectors are unique in their ability to provide excellent analog signal transmission, without fluctuation or noise – whether stationary or while rotating. They are the ideal choice for sensitive electrical signals such as encoders, thermocouples, strain gauges, and more.

  • Perfect signal integrity – regardless of speed
  • Near-zero electrical noise
  • Excellent for analog signal transmission

RELIABLE, HIGH-SPEED ETHERNET PERFORMANCE

ROTOCON high-speed rotary electrical connectors can transmit high-speed Ethernet-based communication up to 1000 Mbps (1 Gbps) reliably and without bit errors or crosstalk. They are capable of transferring many signal types and communication protocols, including Etherlink, Profinet, EtherNet/IP, Profibus, Modbus TCP/IP, Powerlink, CC-Link IE, SERCOS III, SynqNet, MECHATROLINK-III, ControlNet, RS485, RS432, RS422, EtherCAT, and more.

  • Guaranteed ethernet transmission without bit errors or crosstalk
  • High speed capable up to 1 Gbps
  • Compatible with many other digital communication protocols

ENVIRONMENTALLY SEALED DESIGN PROVIDES SAFE AND LONG-LASTING OPERATION

ROTOCON high-speed rotating electrical connectors are environmentally sealed to provide a superior rotating electrical connection. They are sealed from the outside environment and remain unaffected by dust and liquids, as well as humidity and other environmental factors that conventional brushed slip rings are challenged by. They are internally arc-free, making them the ideal choice for wet, dust-filled, cleanroom, and other challenging operating environments.

  • Environmentally sealed design
  • Unaffected by liquids, dust, and other factors
  • Robust design for harsh environments

MODULAR TO MEET YOUR EXACT NEEDS, QUICK AND COST EFFECTIVELY

ROTOCON high-speed rotating electrical connectors are modular by design and are able to be configured in quick and cost efficient ways to meet your exact needs. A variety of mechanical mounting and electrical termination options are offered to make for the most optimized slip ring for your unique application. Meridian Laboratory also offers additional rotating accessories, such as fiber optic rotary joints, rotary unions, encoders, and more to integrate with ROTOCON brushless slip rings.

  • Modular design allows for simple and fast customizations
  • Wide variety of mechanical and electrical options
  • Integrable with fiber optic rotary joints, rotary unions, encoders, and more

General Specifications

High-Speed Rotating Electrical Connector Specifications

MOUNTING

p

End-of-Shaft

End-of-Shaft: This series of rotating electrical connectors is intended to be mounted at the end of a workpiece and is typically secured via set screws to the shaft, or has a variety of other options available.

RPM

p

Up to 10,000

The maximum rotational speed of a ROTOCON rotating electrical connector is directly limited to the temperature the slip ring reaches under maximum current load and rotational speed within a given environment. The speeds shown are up to and not guaranteed in absolute maximums.

TEMPERATURE

p

-35˚F to 160˚F

(-20°C - 70°C)

Temperature rating is measured at the body of the ROTOCON slip ring under maximum current load and rotational speed; it should not exceed 160˚F for continuous periods of time. For application specific scenarios, please contact Meridian Laboratory.

CONTACT RESISTANCE

p

0.2mΩ

Contact resistance refers to the electrical resistance between the stationary and rotating portions, internal to the ROTOCON rotating electrical connector. This is measured without additional cabling or connectors, and is internal to the units themselves. This is measured stationary or rotating, regardless of rotational direction, speed, or orientation.

Configurations

MM 6-12 Channel Standard Models

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      MOUNTING

      MM Series Mounting Options

      END-OF-SHAFT (STANDARD)

      SHAFT FLANGE

      BODY FLANGE

      DOUBLE END-OF-SHAFT

      For through-hole slip rings, check out our MXT-Series of through-hole rotary electrical connectors.

      FAQs

      Common High-Speed Rotary Electrical Connector Questions

      What size mount do I need?

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      Is this RoHS/CE compliant?

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      What speed does this reach?

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      How do I mount this item?

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      Customization

      High-Speed Rotary Electrical Connector Customization Options

      ROTOCON high power slip rings are available with a variety of electrical connectivity solutions for your specific machine, application, or use case, guaranteeing a seamless integration. Supporting a vast range of termination types, wire types, communication protocols, signal types, and power capabilities up to 35A per contact, our slip rings ensure reliability and ease of use for different applications.

      • Termination Types: Ring terminals, flying leads, potted connectors, overmolded cables, and connectors.
      • Wire Types: Single and multi stranded cables, coaxial, heater (fiberglass shielded), strain gauges, shielded cables, and thermocouple wires.
      • Communication Protocols: High-speed Ethernet-based communication up to 100 Mbps. They are also capable of many other communication protocols, including Etherlink, Profinet, EtherNet/IP, Profibus, Modbus TCP/IP, Powerlink, CC-Link IE, SERCOS III, SynqNet, MECHATROLINK-III, ControlNet, RS485, RS432, RS422, EtherCAT, and more.
      • Signal Types: Sensors, thermocouples, strain gauges, audio, transducers, resistance temperature detector (RTD), digital up to 250MHz, hall effect, and general analog (4-20mA, 0-5V, etc.).
      • Power: Up to 35A per contact.

      ROTOCON high power slip rings offer versatile mechanical mounting options designed to integrate seamlessly with rotational equipment and application requirements. Multiple mounting configurations guarantee flexible installation across various machine requirements and usage scenarios.

      Mounting Types

      • End-of-Shaft (Standard)
      • Shaft Flange
      • Body Flange
      • Double Ended Shaft

      Meridian Laboratory offers various environmental options for its suite of high power slip rings, which features a standard 304SS body. In addition to this standard body material, there are various other options available, including IP-rated protection and corrosion-resistant choices, making them adaptable to many different environments and application requirements.

      • Protective Housings
      • Protective Surface Coatings
      • Ingress Protection
      • Corrosive Environment Protection
      • Protective / EMI Wire Sleeving
      • Low Off-Gassing Wire Types

      We offer a range of modular components that are designed to integrate seamlessly with ROTOCON brushless high power slip rings, enhancing function and capabilities.

      • Rotary Unions
      • Fiber Optic Rotary Joints
      • Encoders
      • Motors
      • Mating Connectors
      • Flexible Couplings
      APPLICATIONS & USES

      Engine Test Stands

      ROTOCON high-speed rotary electrical connectors are used for engine, electric motor, and transmission test stands to measure signals on rotating equipment. They are used for the measurement of fan blades, shaft vibration testing, torque transfer, stress/strain gauges, temperature, and other critical electrical signals that are present on the rotating parts of an engine, motor, or transmission.

      Non-Destructive Test Equipment

      ROTOCON high-speed rotary electrical connectors are utilized in eddy current instrumentation and other high-frequency non-destructive testing (NDT) equipment to transmit power and signal.

      Live Specimen Monitoring

      ROTOCON rotary electrical connectors are used in live specimen monitoring and research applications to connect sensors to animals such as rats, allowing for the transmission of signals while the subject moves freely.

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      Resources

      Helpful Information

      Get the details you need—explore our complete resource library on every slip ring series.