Types IJS51A and IJS52A - Synchronism-Check Relays

Type IJS52D - Synchronism Check Relay

Type IJS52E - Synchronism Check Relay

IJS53A4/A5/A6 Synchronism Check Relay

Type IJS52F - Synchronism Check Relay

Type IJS - Model IJS52G(-)A - Synchronism Check Relay

IJS99AA Synchronism Check Relay