CVX and CVX-1 Synchro-Verifier Relays Instruction Leaflet

This instruction leaflet covers the application, construction, and operation of ABB Type CVX and CVX-1 Synchro-Verifier Relays, designed for Class 1E safety-related use in nuclear power generating stations. It details how these relays verify synchronism between two system voltages, including operating and restraining elements, time delay circuits, and external voltage relay connections for automatic reclosing and bus transfer applications.