LJ Relays

The most sophisticated protective relay in the world won’t help if your auxiliary relay isn’t up to the task!

When the integrity of your system cannot be compromised, the high speed LJ Relay from RPS is the right choice. This high speed auxiliary relay family, designed and manufactured by RPS, has a high inertia to mechanical shock and electrical transients and a patented coil that ensures that this rugged relay is immune from false trips – without compromising trip speed.

Trusted to get the job done, the maintenance free LJ has been installed in thousands of high voltage substation and heavy duty industrial applications across North America and has been providing reliable protection and trouble free service for more than 30 years.

A variety of device mounting, faceplate and contact configurations are available – making the LJ Relay ideally suited for both new installations and retrofit applications.