IKI-30E_1

The IKI-30 is a transformer-powered Protection Relay according to IEC 60255, suitable for transformer ratings between 160..12500 kVA, as overload, short-circuit and earth short-circuit protection in combination with circuit breakers or power isolators, as well as overload protection in combination with load disconnectors and HRC fuses.Self powered protection relay acc. IEC 60255
Applicable for transformers with nominal power between 160 and 12 500 kVA; as overcurrent, short-circuit or earth-fault protection relay in combination with a circuit breaker and as overcurrent protection in combination with load breakers and high voltage fuses

Selectable tripping options
IDMT (ANSI 51)
2 DT (ANSI 51)
Instantaneous overcurrent characteristic (ANSI 50)
External fast tripping without delay
Optional earth fault protection

Release of tripping coil
Low-power coil (no external supply needed)
Standard tripping coil (with seperate power storage PSU unit )

Self test
On site test of function by test button
Dry contact for remote transmission of watchdog alarm

Free of maintenance, CT-powered
Power supply buffered by lithium battery (life cycle -> 15 years)