Siemens – 7SR5421-1AA16-0AA0

Overcurrent time protection 7SR51 4 curr. trans., 13 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S6 enclosure

Non-directional overcurrent time protection relay (Argus) S4 enclosure (not withdrawable) 4 current transformers, 2 BI / 2 BQ Pulse output, 9 LEDs Measuring input: 1 A, 50/60HZ Self-powered (current transformer: threshold BI 19 V DC) Device front: Standard with tripped indicator USB interface on front Without protocol . Protection function packages: Independent phase error overcurrent time protection (50) Independent ground fault protection (50G/50N) Dependent phase overcurrent time protection (51) Dependent ground fault protection(51G/51N) Short-circuit switching protection (50LC/SOFT) . .

Non-Directional Overcurrent Protection - Argus 7SR45, measuring input: 1 A, 50/60 Hz, size 4 moulded case (height reduced), 4 BI / 4 BO, auxiliary voltage: dual powered (CT powered: + aux.: 24-60V DC, BI threshold 19VDC), front fascia: standard with trip flag indicator, front port: USB and Rear port: RS485, IEC-60870-5-103 or Modbus conformal coat: standard version, no conformal coating

Non-Directional Overcurrent Protection - Argus 7SR45, measuring input: 1 A, 50/60 Hz, size 4 moulded case (height reduced), 2 BI / 2 BO, auxiliary voltage: self powered (CT powered : BI threshold 19VDC), front fascia: standard, front port: USB, standard version: No conformal coating on PCBA

Non-directional overcurrent time protection relay (Argus) S4 enclosure (not withdrawable) 4 current transformers, 2 BI / 2 BQ Pulse output, 9 LEDs Measuring input: 1 A, 50/60HZ Dual-powered (current transformer: + auxiliary voltage: 24-60 V DC), threshold BI 19 V DC Device front: Standard USB interface on front: USB and RS485 interface at rear supported IEC-60870-5-103 or Modbus Without protocol . Protection function packages: Independent phase error overcurrent time protection (50) Independent ground fault protection (50G/50N) Dependent phase overcurrent time protection (51) Dependent ground fault protection(51G/51N) Short-circuit switching protection (50LC/SOFT) . .

Overcurrent time protection 7SR51 4 curr. trans., 8 BI, 6 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S6 enclosure

COMPACT SIZE (HXW) 104X185 MM MOLDED CASE, 3 CT INPUT FOR SPECIFIC CT 5P80 2 BINARY INPUT,1 EXT TRIP INPUT 2 BINARY OUTPUT PULSE OUTPUT, FLAG OUTPUT 2 PROGRAMABLE LEDS,2 FIXED LEDS TRIP FLAG INDICATOR AUX SUPPLY 24-240VDC,60-240VAC BI THRESHOLD 88V FRONT USB, REAR RS485 PORT SUPPORTING IEC103 & MODBUS PROTECTION FUNCTIONS 50,50N,51 51N, 81HBL2 INRUSH DETECTOR 50LC-LINE CHECK | SOTF STANDARD VERSION WITHOUT CONFORMAL COATING PCBAS

DUOBIAS-M (2 WINDING) TRANSFORMER DIFFERENTIAL RELAY E10 CASE, 6CT, 2EF/REF CT, 1VT, 19 BINARY INP./ 14 BINARY OUTP. 24 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, LANGUAGE: ENGLISH USB FRONT PORT, RS485 REAR PORT + REAR OPTICAL ETHERNET DUPLEX IEC 60870-5-103, MODBUS RTU AND DNP 3.0 AND IEC 61850 PROTECT. FUNCT.: STANDARD + UNDERCURRENT (37) NEGATIVE PHASE SEQUENCY O/C THERMAL OVERLOAD (49) INSTANTANEOUS PHASE FAULT O/C INSTANTANEOUS EARTH FAULT TIME DELAYED PHASE FAULT O/C + VOLTAGE RELATED FUNCTIONS AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC)

Non-directional overcurrent time protection relay (Argus) S4 enclosure (not withdrawable) 4 current transformers, 2 BI / 2 BQ Pulse output, 9 LEDs Measuring input: 5 A, 50/60HZ Self-powered (current transformer: threshold BI 19 V DC) Device front: Standard with tripped indicator USB interface on front Without protocol . Protection function packages: Independent phase error overcurrent time protection (50) Independent ground fault protection (50G/50N) Dependent phase overcurrent time protection (51) Dependent ground fault protection(51G/51N) Short-circuit switching protection (50LC/SOFT) Standard version - No conformal coating on PCBA .

DUOBIAS-M TRANSFORMER DIFFERENTIAL RELAY (2 WINDING) E10 CASE, 6CT, 2EF/REF CT, 1VT, 19 BINARY INP./ 14 BINARY OUTP. 24 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, LANGUAGE: ENGLISH USB FRONT PORT, RS485 REAR PORT IEC 60870-5-103, MODBUS RTU AND DNP 3.0(USER SELECTAB. SETTING) PROTECT. FUNCT.: STANDARD + UNDERCURRENT (37) NEGATIVE PHASE SEQUENCY O/C THERMAL OVERLOAD (49) INSTANTANEOUS PHASE FAULT O/C INSTANTANEOUS EARTH FAULT TIME DELAYED PHASE FAULT O/C + VOLTAGE RELATED FUNCTIONS Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC)

DUOBIAS-M (2 WINDING) TRANSFORMER DIFFERENTIAL RELAY E10 CASE, 6CT, 2EF/REF CT, 1VT, 19 BINARY INP./ 14 BINARY OUTP. 24 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, LANGUAGE: ENGLISH USB FRONT PORT, RS485 REAR PORT + REAR RS232 (X1) AND IRIG-B IEC 60870-5-103 AND MODBUS RTU (USER SELECTABLE SETTING) PROTECT. FUNCT.:STANDARD + UNDERCURRENT (37) NEGATIVE PHASE SEQUENCY O/C THERMAL OVERLOAD (49) INSTANTANEOUS PHASE FAULT O/C INSTANTANEOUS EARTH FAULT TIME DELAYED PHASE FAULT O/C / 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC)

DUOBIAS-M TRANSFORMER DIFFERENTIAL RELAY (2 WINDING) E10 CASE, 6CT, 2EF/REF CT, 1VT, 19 BINARY INP./ 14 BINARY OUTP. 24 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, LANGUAGE: ENGLISH USB FRONT PORT, RS485 REAR PORT IEC 60870-5-103, MODBUS RTU AND DNP 3.0 (USER SELECTABLE SETTING) PROTECTION FUNCTION: STANDARD VERSION Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC)