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18 Accessories and ordering data... . 18 Disclaimer The information in this document is subject to change without notice and should not be construed as a commitment by ABB Ltd.. ABB Ltd. assumes no responsibility for any errors that may appear in this document.
Definite-time (DT) and Inverse-Definite Minimum Time (IDMT) characteristics. The relay features REF601 is a dedicated feeder protection relay, standard IDMT characteristics – Normal Inverse intended for the protection, measurement and (NI), Very Inverse (VI), Extremely Inverse (EI) &...
REF601 IEC Product Version: 1.0 3. Application 5. Control The REF601 is a protection relay aimed at pro- The relay offers control of one circuit breaker with tection and control of incoming and outgoing dedicated push-buttons for opening and closing.
Feeder Protection 1MDB07207-YN C REF601 IEC Product Version: 1.0 The SoE information can be accessed locally 10. Access control via the user interface on the relay front panel or remotely via the communication interface of the relay. To protect the relay from unauthorized access...
Feeder Protection REF601 IEC Product Version: 1.0 12. Non-volatile memory With non-volatile memory, relay retains fault data, even after auxiliary power failure. The relay is inherently reliable and features excellent immu- nity to external electromagnatic interference. 13. Communication The relay is available with optional communica- tion feature.
Feeder Protection 1MDB07207-YN C REF601 IEC Product Version: 1.0 14. Technical data Dimensions Width frame 130.0 mm, case 121.5 mm Height frame 160.0 mm, case 151.5 mm Depth case 92 mm, 101 mm with terminal Weight relay 1.2 kg Power Supply nominal 24...240 V AC, 50 Hz...
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Feeder Protection REF601 IEC Product Version: 1.0 Binary inputs Rated voltage 24...240 V AC / DC Operating range 85...110% of Un for AC 70...120% of Un for DC Current drain 2...20 mA Power consumption/input <0.5 W Input sensing time 100 msec...
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Feeder Protection 1MDB07207-YN C REF601 IEC Product Version: 1.0 Protection functions Three-phase non-directional overcurrent protection Low-set stage I > Setting range of pick-up 0.2...1 x In in step of 0.025, infinite current Setting range of time multipler 0.1...1.6, in step of 0.1 ‘...
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Feeder Protection REF601 IEC Product Version: 1.0 Non-directional earth-fault protection Low-set stage Io > Nominal value of earth current Measurement range 0.05...5 x In Setting range for External earth 0.05...1 x In in step of 0.05, infinite fault measurement Setting range for Internal earth 0.20...1 x In in step of 0.05, infinite...
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Feeder Protection 1MDB07207-YN C REF601 IEC Product Version: 1.0 Degree of protection of flush-mounted relay IP 42 Front side Sides with connection terminal IP 20 Environmental conditions and tests Environmental conditions Operating temperature range -25...+70ºC (continuous) Relative humidity <93%, non-condensing Atmospheric pressure 86...106 kPa...
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Feeder Protection REF601 IEC Product Version: 1.0 Environmental tests Shock test IEC60255-21-2 Shock response test: (based on IEC60068- Class2. Peak acceleration (A) 10gn, 2-27 test Ea and Duration of the pulse (D) 11ms, IEC60068-2-29 test 3 pulses in each direction Shock withstand test: Class2.
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Feeder Protection 1MDB07207-YN C REF601 IEC Product Version: 1.0 Conducted Immunity and Power unit tests Slow High Energy Tran- IEC 61000-4-5 1.2/50μs pulse sient (Surge1.2/50us Volt- IEC 60255-22-5 ±4kVp (L-Gnd) age pulse) ±2kVp (L-L) Radio-Frequency distur- IEC 60255-22-6 Level 3, 0.15…80MHz, step 1%, AM bance (Including func- 80% @ 1kHz,.: 10Vrms/unmod (CM),...
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Feeder Protection REF601 IEC Product Version: 1.0 Magnetic immunity tests Power-Frequency IEC 61000-4-8 Level 5, X-Y-Z axis : Magnetic Field -100A/m continuously -1000A/m short time Pulse Magnetic Field IEC 61000-4-9 Level 5, 5 positive and 5 negative, 8/20μs pulses every 10s:- 1000 A/m...
BI : Remote Reset Ready Bkr. Close BI : Breaker Close Trip2 * BI : Breaker Open XK10 Communication on Modbus RTU Trip1 * Protocol (Optional) SHIELD * Contact operates for 200 msec and resets Fig. 3 Connection diagram of REF601 relay...
The order number plete protection relays. consists of a string of codes generated from the hardware and software modules of the relay. REF601 B A A 4 6 A A 1 X A DESCRIPTION Relay type...
Feeder Protection REF601 IEC Product Version: 1.0 18. Accessories and ordering data Compatible Sensors Item Order nr KEVCR for integrated circuit-breakers type VD4/HD4 KEVCR24OC2R0101, 630A KEVCR24AC2R0102, 1250A KECA for other applications where relay is panel mounted KECA 250 B1 :...