TECHNICAL FEATURES

Rotocon Brushless Rotary Electrical Connectors Deliver Superior Performance

  • Supports AC/DC power, signals, communication, thermocouples, and more applications.
  • Offers numerous customization options for mechanical and electrical configurations.
  • Constructed from robust materials to maximize reliability and longevity.
  • Guarantees stable, low-resistance performance for optimal signal transmission.
  • Operates effectively in any direction and orientation, whether in continuous or indexed motion.
  • Designed with a sealed structure to withstand harsh conditions like dust and moisture.

Meridian Laboratory’s MX Series of ROTOCON brushless rotary electrical connectors are designed to mount at the end of a rotating workpiece and are available with up to 30 channels / conductors total. For higher channel counts, see our entire offering of ROTOCON brushless rotary electrical connectors.

ROTOCON brushless rotary electrical connectors are offered in a variety of models and configurations, accommodating both high-current power applications up to 20 amps per contact and signal-level transmission. The ROTOCON MX Series of brushless industrial rotary electrical connectors are frequently used in semiconductor, packaging, and manufacturing. ROTOCON brushless rotating electrical connectors can be readily configured with a variety of mechanical, electrical, and environmental options to precisely meet your requirements in a cost-effective and timely manner.

ROTOCON brushless rotary electrical connectors are a proven and reliable alternative to traditional brushed slip rings, which often face issues such as wear, signal degradation, and frequent maintenance.

All of Meridian Laboratory's ROTOCON multi-channel slip ring connectors utilize a superior design that eliminates the conventional brush-and-ring contact mechanism, resulting in enhanced electrical performance, zero introduced electrical noise, and extended operational lifespan. Our ROTOCON technology delivers excellent signal integrity, is environmentally sealed, and offers easy configurability for numerous application types.

For channel counts higher than 30, please see our full line of ROTOCON rotary electrical connectors for additional models.

Advantages

Why Choose ROTOCON Brushless Rotary Electrical Connectors?

BRUSHLESS TECHNOLOGY PROVIDES SUPERIOR PERFORMANCE

ROTOCON rotary electrical connectors are brushless by design, functioning through a molecularly bonded, liquid metal film contact to transfer electrical power and signal. ROTOCON brushless rotary 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

MAINTENANCE FREE ROTARY ELECTRICAL CONNECTORS

Conventional brushed slip rings rely on metal-on-metal contact to transfer power between stationary and rotating components. ROTOCON brushless 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

RELIABLE, HIGH-SPEED ETHERNET PERFORMANCE

ROTOCON brushless rotary electrical connectors transmit high-speed Ethernet-based communication up to 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 1Gbps
  • Compatible with many other digital communication protocols

PERFECT SIGNAL INTEGRITY, ROTATING AND STATIONARY

ROTOCON brushless 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

ENVIRONMENTALLY SEALED DESIGN PROVIDES SAFE AND LONG-LASTING OPERATION

ROTOCON brushless rotary 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

CONFIGURABLE TO MEET YOUR EXACT NEEDS, QUICKLY AND COST EFFECTIVELY

ROTOCON brushless rotary 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 rotary electrical connector 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 rotary electrical connectors.

  • 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

COMBINED POWER & SIGNAL WITHOUT INTERFERENCE

Traditional slip rings struggle to accommodate power and signal within a single assembly, and suffer from noise and interference. The unique design of ROTOCON brushless rotary electrical connectors allows for lossless signal without electrical interference during operation.

  • AC/DC power and signals compatible within the same assembly
  • Reliable Ethernet, encoder, strain gauge, and other sensitive signals
  • Zero noise or dynamic contact resistance introduced into your system

General Specifications

Brushless Capsule Slip Ring Specifications

MOUNTING

p

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

2,000

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

MX Series Models (20-30 Channels)

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      MOUNTING

      MX 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 Rotating 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

      Brushless Rotary Electrical Connector Customization Options

      ROTOCON brushless rotary electrical connectors are offered with comprehensive 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 20A per contact, our ROTOCON brushless rotary electrical connectors 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 1000 Mbps (1 Gbps). 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 20A per contact.

      ROTOCON brushless rotary electrical connectors provide 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 the ROTOCON MX Series of brushless rotary electrical connectors, 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 the MX Series 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 rotary electrical connectors, enhancing function and capabilities.

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

      Acoustical Testing

      ROTOCON brushless industrial rotary electrical connectors are used in acoustics test chambers for sensitive low-noise electrical measurements, transmitting signal from instrumentation to the stationary data acquisition systems.

      Vehicle Assembly

      ROTOCON brushless rotary electrical connectors are used within automated assembly lines to provide power and communication to rotating equipment. These systems are designed for machinery that carefully performs repetitive operations in a precise, repeatable manner – without the need for manual supervision.

      Laboratory & Test Measurement

      ROTOCON brushless rotary electrical connectors are commonly used by some of the world’s leading public and private institutions to collect critical data in applications such as centrifugal testing, torque/strain gauge testing, high-frequency vibrational testing, and many other research and development applications.

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      Resources

      Helpful Information

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