Rythmatic Ripple Relay

Rythmatic Ripple Relay

Rythmatic Load Control Relay
Load Control Relay from the 1950’s, used for controlling non-essential loads, like hotwater heating, storage heating, metering tariffs, streetlights.
By means of two different frequencies, the ON or the OFF switch contacts can be made to swing and trigger the toggle relay.
The control frequencies were superimposed on the mains.

Related Post: