Relay Monitoring Systems Pty Ltd (RMS) is an Australian company; dedicated to the design, manufacture and distribution of high quality electrical engineering products.

Major product types include:

  • Auxiliary and Tripping Relays
  • Test Blocks
  • Arc Flash Protection
  • Utility Grade Protection and Control Relays
  • Industrial Controls and Pilot Lamps
  • On Board Railway Relays, CB’s and Panel Meters


Customer Service Objectives:

  • Build to order with fast delivery
  • High product quality and flexibility
  • Competitive pricing
  • Customer service and product backup
  • Proven reputation

Relay Monitoring Systems History 

Our depth of manufacturing and engineering expertise is backed up by over 50 years of experience since the formation of our predecessor, Relays Pty Ltd (RPL), in 1955. This experience, combined with a broad base of field-proven product types, enables RMS to service specific customer needs by producing relay SPECIALS on demand and with lead times which are at the short end of industry expectations.

RMS has earned a reputation for the highest quality products with technical advantages and worldwide customer reference list which includes Australia, the Middle East, Europe, Africa and Asia.

RMS staff are focused and committed to the company’s core business activity of


Delivering quality custom electrical protection equipment.