IKI-30E_1

Transformer Monitor, Protection Relay according to EN 60255

Item number: 2500287_S092_DIW

The IKI-30 is a transformer-powered Protection Relay according to IEC 60255, suitable for... more

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 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)

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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

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Datasheet
Manual (Registered users)