IKI-30E_1 : Transformer Monitor, Protection Relay according to EN 60255
PRODUCT INFORMATION
Product information "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 12500 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)
TECHNICAL DATA
Device data
Article number: 2500287_S092_DIW
Product designation: IKI-30 Transformer Monitor | Protection Relay according to EN 60254
Standard: IEC 60255-1
Dimensions and installation instructions
Case height x width x depth: 48 x 96 x 80 mm
Cutout height x width: 45 x 92 mm
Norm cutout dimensions: DIN 43700
Installation type: Panel mounting
Operating conditions
Operating temperature: -25°C ... 55°C
Storage temperature: -30°C ... 70°C
Protection class: IP40
Rated frequency: 50 Hz, 60 Hz
Technical Data Fault Protection Functions
Reset: 2h, automatic after load current restoring, manual
Setting / nominal current setting range: 5 .. 260 A
Protection levels: ANSI 50, ANSI 50N, ANSI 51
Intrinsic time: 43 ms
Threshold value I>>/In: 8 values settable: 2 .. 20
Delay time I>>: 8 values settable: 0 .. 2 s or deactivated
Threshold value UMZ I>: 8 values settable: 1.1 .. 3
Delay time UMZ: 16 values settable: 1 .. 300 s
Protection characteristics IDMT: IEC extremely invers, IEC very invers
Start value I>/In: 8 values settable: 1,1 .. 3
Displacement factor v I>: 8 values settable: 0,05 .. 10 s
Threshold value Ie>>: 8 values settable: 0.1 .. 2
Delay time tIe>>: 8 values settable: 0 .. 5 s
Interfaces and communication
Remote signalling: 2 dry contacts, NC / NO, alarm / tripping
Power supply
Power supply: 24 - 230 V AC/DC +- 10%; Power input < 1 Watt
Battery type: Lithium
CT-supplied: ✓
Notes on transformer supply: From primary current of at least 1 A
Datasheet