Slip Rings

Replace your slip ring with superior Rotating Electrical Connectors!

Slip rings need continual maintenance to avoid degradation of the rotating electrical connection caused by normal wear and debris. When you replace conventional slip rings with Mercotac's no-maintenance rotating electrical connectors, you will profit from the following SUPERIOR BENEFITS:

  • Increased reliability

  • Extremely low electrical noise

  • LESS than 1 milliohm resistance

  • Sealed ball bearing construction

  • Durable, compact and low cost

  • In Stock availability

  • Long Life

  • Made in U.S.A.

See the Mercotac Advantage:
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operate on a superior principle.  They offer an extremely low-resistance electrical connection because the conduction path is a liquid metal which is molecularly bonded to the contacts.  The Mercotac connection is constant and unchanged for the life of the connector.

APPLICATIONS: A great variety of OEM machinery will benefit from the use of a Mercotac Connector for power and control circuits when changing from a traditional slip ring.

  • Packaging

  • Laminating

  • Turntables

  • Heated rollers

  • Cable reels

  • Strain gauges, thermocouples

  • Remote video inspection

  • Control devices

  • Robotics

  • Semi-conductor production


For specific product information, browse our products online or download our catalog and application information.

The Unique Design of a Mercotac Connector:
Mercotac rotating connectors use a unique design principle unlike the sliding, brush contact of a slip ring. The connection is made through a pool of liquid metal molecularly bonded to the contact, which provides a low resistance, stable connection. When there is rotation the fluid maintains the electrical connection between the contacts without any wear. The following are among the many reasons why Mercotac connectors are superior to slip rings.

  • First, unlike a slip ring, Mercotac connectors produce near zero electrical noise due to their unique design.
  • Second, resistance through the rotating contact is less than one milliohm, which is much lower than the resistance of a slip ring.
  • Third, Mercotac connectors do not degrade the signal over time, which does happen with slip rings.
  • Fourth, slip rings require maintenance and Mercotac connectors are maintenance free.
  • Fifth, Mercotac connectors are more compact and cost far less than slip rings of equal capacity.