SIEMENS 7SR Items 97 - 184 de 184 ⍾ SIEMENS ⍾ Última modificación May 30, 2026

El catálogo Siemens 7SR presenta una gama de relés de protección, principalmente diseñados para aplicaciones de sobrecorriente y diferenciales de transformadores. Estos relés suelen incorporar entradas y salidas binarias, indicadores LED y entradas de medición para corriente y voltaje. Las interfaces de comunicación estándar incluyen puertos USB frontales y puertos RS485 traseros, y algunos modelos también ofrecen Ethernet eléctrico trasero e interfaces ópticas LC. Los voltajes auxiliares suelen estar en el rango de 24 a 250 V DC, y muchos modelos admiten los protocolos IEC 60870-5-103 y Modbus RTU.

7SR ⍾ Página 2

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7SR1726-4MA12-1CA0

MEASURING INPUT: 1/5A, 40-160V, 50/60HZ WITH SEF INPUT AUXILIARY VOLTAGE : 24 TO 250V DC , 100 TO 230V AC, BINARY INPUT THRESHOLD 19V DC . USB FRONT PORT, RS485 REAR PORT PROTOCOL: …
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7SR1726-4NA12-2CA0

MOTOR PROTECTION RELAY (RHO) WITH 8 TEMPERATURE INPUTS E6 CASE, 4 CT, 3 VT, 6 BINARY INPUTS/ 8 BINARY OUTPUTS, 10 LEDS MEASURING INPUT: 1/5A, 40-160V, 50/60HZ WITH SEF INPUT AUXILI …
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7SR1726-4NA77-1CA0

MEASURING INPUT: 1/5A, 40-160V, 50/60HZ WITH SEF INPUT AUXILIARY VOLTAGE:: 24 TO 250V DC , 100 TO 230V AC, BINARY INPUT THRESHOLD 88V DC . REAR ELECTRIC ETHERNET RJ45(X2) (E6 CASE …
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7SR1726-4NA77-2CA0

MOTOR PROTECTION RELAY (RHO) WITH 8 TEMPERATURE INPUTS E6 CASE, 4 CT, 3 VT, 6 BINARY INPUTS/ 8 BINARY OUTPUTS, 10 LEDS MEASURING INPUT: 1/5A, 40-160V, 50/60HZ WITH SEF INPUT AUXILI …
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7SR1811-1NC12-0CA0

Solkor 7SR18 differential protection, E6 case size, 3 binary inputs, 5 binary outputs, 18 LEDs, measuring input: 4 CTs (1A/5A), 24-250 V DC, 100 - 230 V AC, binary input threshold …
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7SR1813-1NC12-0CA0

Solkor 7SR18 differential protection, E6 case size, 6 binary inputs, 8 binary outputs, 18 LEDs, measuring input: 4 CTs (1A/5A), 24-250 V DC, 100 - 230 V AC, binary input threshold …
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7SR1813-1NC87-0CA0

Solkor 7SR18 differential protection, E6 case size, 6 binary inputs, 8 binary outputs, 18 LEDs, measuring input: 4 CTs (1A/5A), 24-250 V DC, 100 - 230 V AC, binary input threshold …
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7SR1916-1HA12-1CA0

Capa 7SR191, capacitor bank protection relay, housing I/O and fascia: 4 CT, 3 VT, 6 binary inputs / 8 binary Outputs, 10 LEDs measuring input: 1/5 A, 50/60 Hz, 40-160 V, auxiliary …
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7SR2102-1BA77-0CA0

ARGUS-M NONDIRECT. OVERCURRENT RELAY CASE SIZE E6, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE: 30 TO 220V DC, BINARY INPUT THRES …
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7SR2102-1MA77-0CA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC); ;
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7SR2102-1NA11-0CA0

/ 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC)
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7SR2102-1NA12-0CA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2102-1NA77-0CA0

; ;
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7SR2103-1MA77-0CA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC)
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7SR2103-1NA87-0CA0

ARGUS-M NONDIRECT. OVERCURRENT RELAY CASE SIZE E8, 4 CT, 16 LEDS, 19 BINARY INP./ 16 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ USB FRONT PORT, RS485 REAR PORT + REAR OPTICAL ETHE …
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7SR2202-2MA11-0CA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC); ;
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7SR2202-2NA12-0CA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2203-2BA11-0CA0

ARGUS-M DIRECTIONAL. OVERCURRENT RELAY CASE SIZE E8, 5 CT,4 VT,16LEDS, 13 BINARY INP./14 BINARY OUTP. MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ USB FRONT PORT, RS485 REAR PORT IEC …
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7SR2203-2MA11-0CA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC)
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7SR2203-2MA11-0EA0

ARGUS-M DIRECTIONAL. OVERCURRENT RELAY CASE SIZE E8, 5 CT,4 VT,16LEDS, 13 BINARY INP./14 BINARY OUTP. MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ USB FRONT PORT, RS485 REAR PORT IEC …
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7SR2203-2MA12-0EA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC); ;
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7SR2203-2MA77-0CA0

; ;
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7SR2203-2MA87-0CA0

Argus-M Directional time-overcurrent protection E8 enclosure, 5 curr. trans., 4 volt. trans.,13 BI /14 BO,16 LEDs Measuring inputs: 1/5A, 63.5/110V, 50/60Hz Auxiliary voltage 24 - …
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7SR2203-2NA11-0CA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2203-2NA11-0EA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2203-2NA12-0EA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2204-2NA77-0EA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2242-2AA12-0CA0

RECLOSER-M DIRECTIONAL. OVERCURRENT RELAY E10 CASE, 4 CT, 4 VT, 13 BINARY INP./ 14 BINARY OUTP. 8 LEDS + 12 KEYS MEASURING INPUT: 1/5 A 63.5/ 110V, 30 TO 220V DC AUXILLIARY, BINARY …
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7SR2247-2MB22-0CA0

RECLOSER-M DIRECTIONAL. OVERCURRENT RELAY E12 CASE, 4 CT, 4 VT, 33 BINARY INP./ 30 BINARY OUTP. 16 LEDS + 12 KEYS MEASURING INPUT: 1/5 A 63.5/ 110V, AUXILIARY VOLTAGE: 24 - 250V DC …
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7SR2302-1MA12-0CA0

E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC …
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7SR2302-1MA77-0CA0

E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC …
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7SR2302-1MA87-0CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLTAGE: …
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7SR2302-1NA12-0CA0

E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 …
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7SR2302-1NA87-0CA0

E6 CASE, 4 CT, 8 LEDS, 9 BINARY INPUTS/ 8 BINARY OUTP. MEASURING INPUT: 1/5A, 50/60HZ / 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC) . USB FRONT PORT, RS485 REAR …
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7SR2303-1AA12-0CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ 30 TO 220V DC …
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7SR2303-1MA12-0CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ AUXILIARY VOLT …
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7SR2303-1NA22-0CA0

E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 11 …
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7SR2303-1NA32-0CA0

HIGH IMPEDANCE PROTECTION RELAY CIRCULATING CURRENT (4 POLE FUNCTIONALITY) E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ Auxiliary volt …
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7SR2303-1NA87-0CA0

E8 CASE, 4 CT, 19 LEDS, 19 BINARY INPUTS/ 16 BINARY OUTPUTS MEASURING INPUT: 1/5A, 50/60HZ Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 11 …
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7SR2422-2MA11-0AA0

DUOBIAS-M TRANSFORMER DIFFERENTIAL RELAY (2 WINDING) E8 CASE, 6CT, 2EF/REF CT, 1VT, 9 BINARY INPUTS/ 6 BINARY OUTP. 16 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, …
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7SR2422-2MA11-0BA0

Protección diferencial transformador (Duobias- M) caja E8, 6 TC, 2 TC ES/EDS, 1 transformador de tensión 9 BI / 6 BO, 16 LED entradas de medida: 1/5A, 40 a 160 V, 50/60 Hz tensión …
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7SR2422-2MA11-0CA0

DUOBIAS-M TRANSFORMER DIFFERENTIAL RELAY (2 WINDING) E8 CASE, 6CT, 2EF/REF CT, 1VT, 9 BINARY INPUTS/ 6 BINARY OUTP. 16 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, …
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7SR2422-2MA21-0BA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC); ;
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7SR2422-2MA41-0BA0

AUXILIARY VOLTAGE: 24 - 250V DC / 100-230V AC BINARY INPUT THRESHOLD 19V DC (RATED: 24-250V DC); ;
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7SR2422-2NA11-0AA0

/ 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC); ;
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7SR2422-2NA12-0CA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2422-2NA21-0BA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2422-2NA21-0CA0

/ 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC)
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7SR2422-2NA41-0BA0

/ 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC)
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7SR2422-2NA77-0BA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2422-2NA87-0AA0

DUOBIAS-M TRANSFORMER DIFFERENTIAL RELAY (2 WINDING) E8 CASE, 6CT, 2EF/REF CT, 1VT, 9 BINARY INPUTS/ 6 BINARY OUTP. 16 LEDS MEASURING INPUT: 1/5 A 63.5/ 110V, 50/60HZ REGION WORLD, …
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7SR2423-2BA11-0CA0

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 …
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7SR2423-2MA12-0AA0

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 …
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7SR2423-2MA87-0CA0

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 …
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7SR2423-2NA11-0CA0

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 …
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7SR2423-2NA12-0AA0

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 …
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7SR2423-2NA12-0CA0

Auxiliary voltage: 24 - 250 V DC / 100-230 V AC Binary input threshold 88 V DC (rated: 110-250 V DC); ;
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7SR2423-2NA41-0BA0

/ 100-230V AC BINARY INPUT THRESHOLD 88V DC (RATED: 110-250V DC)
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7SR4501-1GA10-1AA0

ARGUS Non-directional overcurrent-time protection Polycarbonate enclosure, 4x current transformer, 2 BI/2 BQ, pulse output, 9 LEDs Measuring input: 1 A, 50/60 Hz Auxiliary voltage: …
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7SR4501-1GB10-1AA0

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) Devi …
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7SR4501-1HA20-1AA0

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 …
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7SR4501-2GB10-1AA0

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) Devi …
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7SR4503-1GA10-1AA0

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 …
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7SR4504-1HB20-1AA0

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 …
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7SR4504-1JB20-1AA0

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 …
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7SR4605-3JB20-1AA0

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 …
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7SR5110-1AA11-0AA0

Protección de sobreintensidad de tiempo inverso 7SR51 4 TC, 8 BI, 6 BO Interfaz estándar: 1 USB (delante) RS485 (atrás) + 2 interfaces RJ45 Caja S6; ;
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7SR5110-1AA21-1AA0

Overcurrent time protection 7SR51 4 curr. trans., 8 BI, 6 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC interf. S6 enclosure , including conformal coating
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7SR5110-2AA11-0AA0

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
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7SR5110-2AA21-0AA0

Overcurrent time protection 7SR51 4 curr. trans., 13 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC interf. S6 enclosure
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7SR5110-3AD12-0AA0

Overcurrent time prot. 7SR51 4 curr. trans., 3 AFD (Arc Flash Detector), 18 BI, 13 BO (incl. 3 HSBO) Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S8 en …
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7SR5111-1AA11-0AA0

Directional time-overcurrent protection 7SR51 4 curr. trans., 4 volt. trans., 9 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S6 enclosure; ;
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7SR5111-1AA11-1AA0

Directional time-overcurrent protection 7SR51, 4 curr. trans., 4 volt. trans., 9 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S6 enclosure, in …
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7SR5111-3AA22-0AA0

Directional overcurrent time prot. 7SR51 4 curr. trans., 4 volt. trans., 19 BI, 12 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC ports, S8 enclosure; ;
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7SR5111-3AD12-0AA0

Directional overcurrent time prot. 7SR51 4 curr. trans., 4 volt. trans., 3 AFD (Arc Flash Detector), 19 BI, 15 BO (incl. 3 HSBO) Standard interface: 1 x USB (front), RS 485 (rear) …
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7SR5111-4AD26-0AA0

Directional time-overcurrent protection 7SR51 4 curr. trans., 4 volt. trans., 24 BI, 17 BO (incl. 3HSBO), 3 AFD (Arc Flash Detector), Standard interface: 1 x USB (front), RS485 (re …
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7SR5111-7AA16-0AA0

Directional time-overcurrent protection 7SR51 4 curr. trans., 4 volt. trans., 39 BI, 20 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S12 enclosure
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7SR5121-2AA22-1AA0

Directional overcurrent time prot. 7SR51 5 curr. trans., 4 volt. trans., 17 BI, 10 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x optical LC ports, S8 enclosure, inclu …
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7SR5121-3AD26-0AA0

Directional time-overcurrent protection 7SR51 ,5 curr. trans., 4 volt. trans., 22 BI, 15 BO (incl. 3 HSBO), 3 AFD (Arc Flash Detector), Standard interface: 1 x USB (front), RS 485 …
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7SR5121-6AA16-1AA0

Directional time-overcurrent protection 7SR51, 5 curr. trans., 4 volt. trans., 37 BI, 18 BO, Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces , S12 enclosur …
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7SR5420-2AA12-0AA0

Transformer prot. 7SR54 8 curr. trans., 16 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S8 enclosure
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7SR5420-2AA12-1AA0

Transformer prot. 7SR54 8 curr. trans., 8 BI, 16 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S8 enclosure, including conformal coating
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7SR5421-1AA16-0AA0

Protección de transformador (2 dev.) 8 TC, 4 transformadores tensión 12 BI, 8 BO Interfaz estándar: 1 USB (delante) RS485 (atrás) + 2 interfaces RJ45 Caja S12; ;
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7SR5421-2AA12-0AA0

Transformer prot. 7SR54 8 curr. trans., 4 volt. trans., 17 BI, 10 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S8 enclosure
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7SR5421-6AA16-0AA0

Transformer protection (2 wdg.) 8 curr. trans., 4 volt. trans. 37 BI, 18 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces S12 enclosure; ;
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7SR5711-1AA11-0AA0

Motor protection 7SR57, 4 curr. trans., 4 volt. trans., 9 BI, 8 BO, Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 ports, S6 enclosure
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7SR5711-1AF11-0AA0

Motor prot. 7SR57 4 curr. trans., 4 volt. trans., 8 TSI (Temperature Sensor Input), 9 BI, 8 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S6 enclosur …
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7SR5711-3AF12-1AA0

Motor prot. 7SR57 4 curr. trans., 4 volt. trans., 8 TSI (Temperature Sensor Input), 19 BI, 12 BO Standard interface: 1 x USB (front), RS 485 (rear) + 2 x RJ45 interfaces, S8 enclos …