Remote Control Relay and
Communication Upgrades

Built to ANSI C37.21 with Seasoned Craftmanship.

  • ABB, Multilin, Basler, Beckwith, and SEL relay options
  • Ethernet communication
  • Remote open and close
  • Remote metering
  • IEC 61850
  • Redundant communication paths
  • Control ground bus
  • Isolated AC/DC fused disconnects
  • Self-laminating wire labels with SIS wire
National Switchgear  |  649 Franklin Street  |  Lewisville, TX 75057  |  800-322-0149  |  972-420-0149 local  |  972-420-0938 fax