Overview

ROTOCON IP-Rated Marine Slip Rings for Washdown, Dusty, and Harsh Environments

  • Available with IP68 sealing capabilities
  • Maintenance-free ROTOCON brushless slip ring technology
  • Unaffected by harsh environmental conditions

ROTOCON environmentally sealed slip rings are designed for harsh environments, providing dustproof, waterproof, and maintenance-free operation. Engineered for IP-rated protection up to IP68, our ROTOCON marine slip rings withstand direct and indirect exposure to water, dust, debris, and extreme conditions, making them ideal for oceanographic, underwater, subsea, and washdown applications.

ROTOCON harsh environment slip rings excel in marine, offshore, and industrial applications, offering lasting performance without the need for maintenance. They are widely used in bottling and liquid filling equipment, marine cable reels, oceanographic winches, oil well machinery, subsea research vessels, grain handling equipment, and other washdown environments.

Unlike traditional brushed slip rings, which suffer from brush wear, oxidation, and arcing, ROTOCON IP68 slip rings feature a sealed, brushless design that ensures reliable power and signal transmission in wet, humid, and dirty environments.

For marine, oceanographic, and industrial applications requiring a sealed, waterproof, and dustproof rotating connection, ROTOCON brushless slip rings provide unmatched durability, reliability, and long-term performance.

For operating environments which require IP66 sealing or less, see our full line of MX Series Multi-Channel Slip Rings.

Advantages

Why choose ROTOCON Environmentally Sealed Slip Rings?

ENVIRONMENTALLY SEALED SLIP RINGS DELIVER SAFE AND LONG LASTING OPERATION

ROTOCON waterproof and dustproof slip rings 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, clean rooms and other challenging operating environments.

  • ENVIRONMENTALLY SEALED DESIGN
  • UNAFFECTED BY LIQUIDS, DUST, AND OTHER FACTORS
  • ROBUST DESIGN FOR HARSH ENVIRONMENTS

BRUSHLESS SLIP RING TECHNOLOGY PROVIDES SUPERIOR PERFORMANCE

ROTOCON dustproof and waterproof slip rings are brushless by design, functioning through a molecularly bonded, liquid metal film contact to transfer electrical power and signal. ROTOCON brushless slip ring technology introduces 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

ENCLOSED SLIP RINGS WITHOUT MAINTENANCE

Conventional, brushed slip rings rely on metal-on-metal contact to transfer power between stationary and rotating components. ROTOCON IP-rated, harsh-environment slip rings 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, STATIONARY OR ROTATING

ROTOCON environmentally sealed slip rings 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

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CONFIGURABLE SLIP RINGS TO MEET YOUR EXACT NEEDS, QUICK AND COST EFFECTIVELY

ROTOCON maintenance-free, sealed slip rings 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 harsh environment slip rings.

  • MODULAR DESIGN ALLOWS FOR SIMPLE AND FAST CUSTOMIZATIONS
  • WIDE VARIETY OF MECHANICAL AND ELECTRICAL OPTIONS
  • INTEGRATABLE WITH FIBER OPTIC ROTARY JOINTS, ROTARY UNIONS, ENCODERS, AND MORE

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RELIABLE, HIGH-SPEED ETHERNET SLIP RING PERFORMANCE

ROTOCON harsh environment slip rings and rotating electrical connectors transmit high-speed Ethernet based communication up to 1000 Mbps (1 Gbps) reliably and without bit errors, packet loss, or crosstalk. 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.

  • GUARANTEED ETHERNET TRANSMISSION WITHOUT BIT ERRORS OR CROSSTALK
  • HIGH SPEED CAPABLE UP TO 1 Gbps
  • COMPATIBLE WITH MANY OTHER DIGITAL COMMUNICATION PROTOCOLS

General Specifications

Environmentally Sealed Slip Ring Specifications

IP Rating

p

Up to IP68

Ingress protection of the final ROTOCON IP-rated slip ring is largely dependent on the cabling used and the electrical termination type required.

MOUNTING

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End-of-Shaft

A selection of mounting flanges are available, with the option of Meridian Laboratory providing a custom sized mounting flange to meet application specific requirements.

TEMPERATURE

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-35˚F to 160˚F

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

RPM

p

Up to 1000 RPM

The maximum rotational speed of a ROTOCON washdown 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.

Configurations

Dustproof & Waterproof Slip Rings

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      FAQs

      Common Environmentally Sealed Slip Ring Questions

      Can I specify an exact hole diameter?

      Yes, while standard bore sizes are listed in the model chart, we can also provide rotary grounds to the exact bore diameter to fit your application.

      Do you offer a rotary ground with a rotary gas/fluid union already integrated?

      Yes, standard models include our ERGT-800-1PRU, however we can also integrate our rotary grounds to a variety of standard and custom rotary unions.

      Which section of the rotary ground is electrically “live”?

      The entire rotary ground is electrically “live” meaning there is no electrical insulation between the shaft and the body of the unit. Electrical current is designed to follow the path of least resistance internally between the shaft and conductive terminal stud.

      Does conductive grease need to be used between the shaft being grounded and the ROTOCON rotary ground?

      No, we do not recommend any grease between the shaft and the rotary ground. The shaft should be clean and free of grease and any debris that could compromise the electrical connection to the rotary ground. Click here for more information relative to mounting and use of the ERGT Series.

      Customization

      Environmentally Sealed Slip Ring Options

      The MXO Series of ROTOCON environmentally sealed slip rings can be customized to integrate specialty wire cabling or connectors to match the needs of your application or existing equipment. Additionally, Meridian Laboratory can provide mating connectors and other accessories to make for simple integration.

      • WIDE VARIETY OF ELECTRICAL TERMINATION OPTIONS AVAILABLE
      • ABILITY TO INTEGRATE APPLICATION SPECIFIC WIRE AND CABLING FOR HARSH ENVIRONMENTS

      ROTOCON harsh environment slip rings are offered with standard mounting configurations, but are easily customizable to match the mechanical requirements of your existing equipment.

      • VARIOUS MECHANICAL MOUNTING OPTIONS AVAILABLE
      • ABILITY TO INTEGRATE TO HARDWARE AND MOUNTING REQUIREMENTS OF EXISTING EQUIPMENT

      ROTOCON sealed slip rings can be configured for a wide variety of ingress protection (IP) ratings and environments. Meridian Laboratory can customize the material selection and other parameters to meet the exact needs of your application.

      • VARIETY OF INGRESS PROTECTION (IP) RATINGS AVAILABLE
      • CUSTOM MATERIALS AVAILABLE FOR SENSITIVE ENVIRONMENTS

      APPLICATIONS & USES

      Common Uses for Environmentally Sealed Slip Rings

      MARINE CABLE REELS & WINCHES

      ROTOCON waterproof slip rings are heavily used in the marine industry on deck mounted electric cable reels and winches. Their environmentally sealed design provides unbeatable service life without the challenges of corrosion and wear of metal-on-metal slip rings.

      ROTARY FILLING & CAPPING

      ROTOCON harsh environment slip rings are commonly found on rotary filling and capping machinery utilized in the food and beverage industry. The environmentally sealed design and unique technology of ROTOCON slip rings allows for 24/7/365 continuous use without downtime.

      BULK POWDER MIXERS

      ROTOCON MXO Series of sealed rotating electrical connectors are inherently sealed and arc-free, making them ideal for use in dust and powder filled environments without ingress and cleaning intervals or brush replacement over time.

      Industries

      Industries that use ROTOCON MXO-Series Environmentally Sealed Slip Rings

      Marine industry with advanced technology and equipment

      MARINE

      Applications

      • Oceanographic Winches & Cable Reels
      • Rotary Actuator Test Cells
      • Remote Operated Vehicles
      • Ocean Floor Sonar & Pulsed Imagery
      Food and beverage industry with advanced technology and equipment

      FOOD & BEVERAGE

      Applications

      • Rotary Can Filling Equipment
      • Rotary Bottle Capping Machinery
      • Dairy Product Mixing Vessels
      • Thermoforming & Sealing Equipment
      Original equipment manufacturers with advanced machinery and production lines

      Original Equipment Manufacturers

      Applications

      • Marine Cable Reels & Winches
      • Bulk Powder Mixers
      • Liquid Filling & Bottling Machinery
      • Rotary Turntables

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      Resources

      Helpful Information

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