Ring Main Units

HV InstallationSlaters Electricals supplies new and refurbished Ring Main Units from stock. We offer a range of both extensible and non-extensible RMUs, mainly 11kV but up to 24kV and 630A to suit your specific application.

We stock new and refurbished Ringmaster ring main units and other brands/types.

RMUs can be supplied free standing or close coupled with our range of distribution transformers as a package substation, with LV pillars or supplied standalone.

Features of the Slaters Ring Main Unit range:

  • New or refurbished options available
  • SF6 or Oil
  • Industry leading warranties
  • Hire options available
  • Installed and maintained by our in-house team
  • Spare parts available

Call our sales engineers now on +44 (0) 191 414 2916 to discuss your Ring Main Unit requirements.


Ring Main Unit Manufacturers and Types Typically Available:

Schneider – New or Refurbished:

Lucy – Refurbished:

Long & Crawford  – Refurbished:

Yorkshire Switchgear – Refurbished:

ABB – Refurbished:

Hawker Siddeley – Refurbished:

Reyrolle – Refurbished:

GEC – Refurbished: