The following COMBIFLEX® units are suitable for the protection of capacitor banks:
RADHA
High impedance differential relay
RADHD
High speed restricted earth-fault protection
RXEDK/RAEDK
Time-over/undervoltage relay and protection assemblies
RXHL/RAHL
Compact overcurrent relays RXHL 4xx and line protection RAHL 4xx
RXIDK/RAIDK
Time-overcurrent/earth-fault relay and protection assemblies
RXVK/RAVK
Thermal overcurrent relay and protection assemblies
RXZK/RAZK
Impedance relay and protection assemblies