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  Mains monitoring relay  (39,094 offers of 6,349,290 product items)

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Siemens SIRIUS 3RQ3 Output Coupler Series Relay, 230V ac/dc Coil / 1752301 (1 offer) 
Output coupler Relay coupler, 1 change-over contact 230 V AC/DC Overall width 6.2 mm screw terminal Thermal current 6A
Siemens
3RQ3018-1AF00
£ 34.251*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, 24 → 240V ac/dc, DIN Rail / 1752290 (2 offers) 
Thermistor motor protection relay Standard evaluation unit 22.5 mm enclosure Spring-type terminal 2 change-over contacts bistable US = 24 V-240 V AC/DC Manual/Auto/Remote reset 2 LEDs (READY/TRIPPE...
Siemens
3RN2012-2BW31
£ 191.96*
per piece
 
 piece
Siemens SIRIUS 3RA6 Load Feeder, DOL, 0.75 kW, 690 V ac, 3 Phase, IP20 / 2130534 (1 offer) 
The Siemens SIRIUS 3RA6 series is a compact load feeder DOL starter which has 3 poles and operating frequency of 50 to 60 Hz. The type of electrical connection for main current circuit and connecti...
Siemens
3RA6120-2BP32
£ 328.178*
per piece
 
 piece
Siemens Voltage Monitoring Relay / 2550877 (1 offer) 
Monitoring Application = Voltage Voltage Sensitivity = Overvoltage, Undervoltage
Siemens
3UG4983-2AA01
£ 379.612*
per piece
 
 piece
Siemens SIRIUS 3RQ3 Output Coupler Series Relay, 24V dc Coil / 1752306 (1 offer) 
Output coupler Relay coupler, 1 W, 24 V DC Operating range 0.7 to 1.25 x US Enclosure width 6.2 mm Spring-type terminal (push-in) Thermal current 6A
Siemens
3RQ3018-2AM08-0AA0
£ 24.139*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, 24 → 240V ac/dc, DIN Rail / 1752296 (2 offers) 
Siemens Thermistor motor protection relayThe Siemens thermistor motor protection relay is a reliable over temperature protection device to save the motors from overload. This relay has a mechanism ...
Siemens
3RN2013-2GW30
£ 158.20*
per piece
 
 piece
Siemens SIRIUS 3RA6 Load Feeder, Reversing Starter, 0.75 kW / 2130539 (1 offer) 
The Siemens SIRIUS 3RA6 series is a compact load feeder reversing starter which has 3 poles and operating frequency of 50 to 60 Hz. The type of electrical connection for main current circuit is thr...
Siemens
3RA6250-2BB33
£ 531.389*
per piece
 
 piece
Siemens 5TT3414 electrical relay (1 offer) 
Siemens 5TT3414
Siemens
5TT3414
£ 126.223*
per piece
 
 piece
Siemens SIRIUS 3RQ3 Output Coupler Series Relay, Plug In, 24V dc Coil, SPDT / 2550839 (1 offer) 
Coil Voltage = 24V dc Contact Configuration = SPDT Mounting Type = Plug In Series = SIRIUS 3RQ3 Output Coupler Maximum Input Voltage = 24V
Siemens
3RQ3018-2AM08-0AX0
£ 36.31*
per piece
 
 pieces
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 1752285 (2 offers) 
Siemens Thermistor Motor Protection RelayThe Siemens thermistor motor protection relay is a reliable over temperature protection device that saves motors from overloading. The relay has a mechanism...
Siemens
3RN2012-1BA30
£ 113.95*
per piece
 
 piece
Siemens SIRIUS 3RA6 Load Feeder, Reversing Starter, 7.5 kW / 2130538 (1 offer) 
The Siemens SIRIUS 3RA6 series is a compact load feeder reversing starter which has 3 poles and operating frequency of 50 to 60 Hz. The type of electrical connection for main current circuit and co...
Siemens
3RA6250-1DB32
£ 638.743*
per piece
 
 piece
Siemens Voltage Monitoring Relay, SPDT / 2565433 (1 offer) 
Monitoring Application = Voltage Contact Configuration = SPDT
Siemens
3UG4631-2AA30
£ 147.23*
per piece
 
 piece
Siemens SIRIUS 3RQ3 Output Coupler with Plug-In Series Relay, 115V ac/dc Coil / 1752343 (1 offer) 
Output coupler with plug-in Relay, 1 change-over contact Spring-type terminal (push-in) 115 V AC/DC Enclosure width 6.2 mm Thermal current 6A
Siemens
3RQ3118-2AE00
£ 32.638*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, SPDT, 24 → 240V ac/dc, DIN Rail / 1752270 (2 offers) 
Siemens Thermistor Motor Protection RelayThe Siemens thermistor motor protection relay is a reliable over temperature protection device that saves motors from overloading. The relay has a mechanism...
Siemens
3RN2000-1AW30
£ 56.59*
per piece
 
 piece
Siemens SIRIUS 3RQ3 Input Coupler Series Relay, 115V ac/dc Coil / 1752311 (1 offer) 
Input coupler Relay coupler, 1 change-over contact hard gold-plated contacts 115 V AC/DC screw terminal Overall width 6.2 mm Thermal current 6A
Siemens
3RQ3038-1AE01
£ 45.141*
per piece
 
 piece
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