- Over Current& Earth fault
- Earth fault
- Over/ Under Voltage
- Over/ Under Frequency
- Differentials
- Restricted Earth Fault
- Field failures
- Tripping Relays
- Trip Circuit Supervision
- Auxiliary Relays
- Earth Leakage
- Motor Protection
- Fuse failure
- Generator Protection Relays
- Instantaneous Differential
- Instantaneous Earth Fault Relay
- Reverse Power Relay
- Neutral displacement Relay