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Blog / 2024.04.19

Introducing the ERG-3000 Rotary Ground: Meridian Laboratory’s Latest Innovation for High Current Rotary Applications

Koral Schuster / ROTOCON, ROTOCON New Product

Meridian Laboratory is proud to announce the launch of the ROTOCON ERG-3000, 3000 amp rotary ground. This new rotary ground is set to replace the ROTOCON MC2F-3000 rotary ground, offering a series of improved features and capabilities.

Cable lugs are shown for illustration purposes; more may be required depending on amperage requirements

Key Features of the ROTOCON ERG-3000 Rotary Ground

  • Stable and Uninterrupted Current Delivery: Extremely low contact resistance, maintaining consistent performance unaffected by RPM or extended use, results in stable and uninterrupted current delivery for rotary welding, plating, and cutting applications.
  • Maintenance-Free: Requires no maintenance, adjustment, or replacement, reducing operational downtime and costs.
  • Environmentally Sealed: Fully sealed against environmental factors, ensuring a long operational lifespan even in harsh manufacturing environments.
  • Compact Design: More compact profile compared to the ROTOCON MC2F-3000, facilitating ease of integration into existing systems without compromising on performance.
  • Continuous Performance: Rated to 3000 amps at 100% duty cycle, making it suitable for high-demand applications.
  • Non-Mercury: For sensitive applications, we offer a non-mercury model designed to deliver the same maintenance-free, low contact resistance, delivering the performance which all ROTOCON rotary grounds provide.
  • Flexible Orientation: Designed to be rotated in any direction and used in any orientation, offering unparalleled flexibility in installation and use.
  • High-Performance Alternative: Serves as a superior option to alternative, metal-on-metal contact rotary grounds including Tweco Roto-ground RG-640, providing enhanced functionality, performance and efficiency.

Why Choose the ROTOCON ERG-3000 rotary ground?

Choosing the ROTOCON ERG-3000 rotary ground means investing in reliability, efficiency, and advanced technology designed to meet the rigorous demands of many industries. With its maintenance-free operation, high performance, and non-mercury option, the ROTOCON ERG-3000 rotary ground stands out as the best choice for businesses looking to improve their operational capabilities.


The ROTOCON ERG-3000 rotary ground represents a significant advancement in the field of rotational welding, plating, and cutting. View all detailed specifications, datasheets, and how the ROTOCON ERG-3000 rotary ground can be the long term solution for your unique needs. Contact Meridian Laboratory with any questions or upcoming projects, we look forward to working with you.

Customers who rely on ROTOCON rotary grounds!

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