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  Monitoring Relays (1,266 items)

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Level monitoring relay; conductive fluid level; 150÷270VAC (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...55°C Supply voltage: 150...270V AC Kind of output: NO Type of module: level monitoring relay Controlled parameter: c...
ZAMEL
PZM-40
from £ 67.41*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; IP20 (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x35x66mm Kit contents: SZH-03 probe Kind of output: ...
ZAMEL
PZM-10
from £ 29.11*
per piece
 
 piece
Temperature monitoring relay; temperature; 230VAC; SPDT; IP20 (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals Body dimensions: 90x35x66...
ZAMEL
PRM-10
from £ 28.01*
per piece
 
 piece
Voltage monitoring relay; 230/400VAC; for DIN rail mounting (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 230/400V AC Lead...
ZAMEL
PNM-32
from £ 61.42*
per piece
 
 piece
Voltage monitoring relay; 230/400VAC; for DIN rail mounting (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 230/400V AC Lead...
ZAMEL
PNM-31
from £ 43.70*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 230VAC (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 230V AC Leads: s...
ZAMEL
PNM-10
from £ 27.45*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x17.5x66mm Number of terminals: 4 Type of module: power li...
ZAMEL
PMM-02
from £ 25.03*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x17.5x66mm Number of terminals: 4 Type of module: power li...
ZAMEL
PMM-01
from £ 22.34*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP65 Supply voltage: 230V AC Body dimensions: 69x56x27mm Number of terminals: 3 Related items: ASH-01 Type...
ZAMEL
PMH-01
from £ 21.27*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; CK; SPDT; 1÷5s (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Number of...
ZAMEL
CKM-01
from £ 18.26*
per piece
 
 piece
Voltage monitoring relay; wall mount; CK; SPST-NO; 250VAC/10A (1 offer) 
Manufacturer: ZAMEL Mounting: wall mount Operating temperature: -20...60°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP65 Leads: cables Number of terminals: 6 Typ...
ZAMEL
CKH-01
from £ 16.80*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; CA (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Number of terminals: 9 Type of m...
ZAMEL
CAM-10
from £ 34.80*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; CA (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPST-NO Kind of output 2: SPST-NC Power supply: from tested wiring system IP rating: IP20 Lea...
ZAMEL
CAM-01
from £ 17.63*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; CA; 1÷5s (1 offer) 
Attention! This product is sold up to the quantity available in stock. In case of larger orders, the amount will be replaced by the available quantity. Manufacturer: ZAMEL Mounting: wall mount Oper...
ZAMEL
CAH-01
from £ 8.68*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; IP20 (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...45°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dimensions: 35.4x90x66mm Ou...
ZAMEL
APM-20
from £ 59.47*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; ACT20P; DPDT (2 offers) 
Manufacturer: WEIDMÜLLER Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body...
Weidmüller
ACT20P-VMR-3PH-ILP-H
from £ 108.31*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; ACT20P (2 offers) 
Manufacturer: WEIDMÜLLER Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Le...
Weidmüller
ACT20P-VMR-1PH-H
from £ 101.35*
per piece
 
 piece
Siemens
7MH4138-6AA00-0BA0
from £ 563.74*
per piece
 
 piece
Siemens
7KT1682
from £ 173.43*
per piece
 
 piece
Siemens
7KT1681
from £ 135.45*
per piece
 
 piece
Siemens
7KT1673
from £ 165.60*
per piece
 
 piece
Siemens
7KT1672
from £ 128.38*
per piece
 
 piece
Siemens
7KT1671
from £ 149.094*
per piece
 
 piece
Siemens
7KT1670
from £ 118.03*
per piece
 
 piece
Siemens
7KT1668
from £ 186.17*
per piece
 
 piece
Siemens
7KT1667
from £ 147.71*
per piece
 
 piece
Siemens
7KT1666
from £ 196.02*
per piece
 
 piece
Siemens
7KT1665
from £ 156.21*
per piece
 
 piece
Siemens
7KT1664
from £ 195.95*
per piece
 
 piece
Siemens
7KT1663
from £ 137.38*
per piece
 
 piece
Siemens
7KT1662
from £ 175.30*
per piece
 
 piece
Siemens
7KT1661
from £ 136.70*
per piece
 
 piece
Siemens
7KT1656
from £ 111.74*
per piece
 
 piece
Siemens
7KT1655
from £ 83.00*
per piece
 
 piece
Siemens
7KT1654
from £ 113.24*
per piece
 
 piece
Siemens
7KT1653
from £ 82.98*
per piece
 
 piece
Siemens
7KT1652
from £ 111.62*
per piece
 
 piece
Siemens
7KT1651
from £ 84.14*
per piece
 
 piece
Siemens 7KT1260 circuit breaker (3 offers) 
Siemens 7KT1260
Siemens
7KT1260
from £ 502.36*
per piece
 
 piece
Siemens 7KT1242 auxiliary contact (2 offers) 
Siemens 7KT1242
Siemens
7KT1242
from £ 258.08*
per piece
 
 piece
Siemens 7KT1238 network analyser (2 offers) 
Siemens 7KT1238
Siemens
7KT1238
from £ 222.77*
per piece
 
 piece
Siemens 7KT1236 network analyser (2 offers) 
Siemens 7KT1236
Siemens
7KT1236
from £ 181.43*
per piece
 
 piece
Siemens 7KT1233 network analyser (2 offers) 
Siemens 7KT1233
Siemens
7KT1233
from £ 158.73*
per piece
 
 piece
Siemens 7KM9300-0AM00-0AA0 circuit breaker (2 offers) 
Siemens 7KM9300-0AM00-0AA0
Siemens
7KM9300-0AM00-0AA0
from £ 84.72*
per piece
 
 piece
Communication; plug-in; IP20; 63x43x22mm; PROFINET; RJ45 x2 (3 offers) 
Manufacturer: SIEMENS Kind of connector: RJ45 x2 Mounting: plug-in Operating temperature: -25...55°C IP rating: IP20 Body dimensions: 63x43x22mm Related items: 7KM3220-0BA01-1DA0;7KM3220-1BA01-1EA0...
Siemens
7KM9300-0AE02-0AA0
from £ 219.11*
per piece
 
 piece
Siemens 7KM9300-0AB01-0AA0 circuit breaker (2 offers) 
Siemens 7KM9300-0AB01-0AA0
Siemens
7KM9300-0AB01-0AA0
from £ 138.469*
per piece
 
 piece
Siemens 7KM9200-0AD00-0AA0 circuit breaker (2 offers) 
Siemens 7KM9200-0AD00-0AA0
Siemens
7KM9200-0AD00-0AA0
from £ 159.02*
per piece
 
 piece
Siemens 7KM9200-0AB00-0AA0 circuit breaker (3 offers) 
Siemens 7KM9200-0AB00-0AA0
Siemens
7KM9200-0AB00-0AA0
from £ 116.14*
per piece
 
 piece
Siemens
7KM4212-0BA00-3AA0
from £ 798.55*
per piece
 
 piece
Siemens
7KM4212-0BA00-2AA0
from £ 785.07*
per piece
 
 piece
Siemens
7KM4211-1BA00-3AA0
from £ 816.16*
per piece
 
 piece
Controller; 24÷60VDC; on panel; IP65; 96x96x57.9mm; 5A; Modbus TCP (3 offers) 
Manufacturer: SIEMENS Kind of connector: RJ45 Mounting: on panel Type of counted signal: electric power Kind of display used: LCD Electrical connection: screw terminals IP rating: IP65 Supply volta...
Siemens
7KM3220-1BA01-1EA0
from £ 344.37*
per piece
 
 piece
Voltage monitoring relay (3 offers) 
Manufacturer: SIEMENS Type of module: voltage monitoring relay #Promotion: maintenance_202308
Siemens
7KM3220-0BA01-1DA0
from £ 347.89*
per piece
 
 piece
Siemens
7KM3200-0CA01-1AA0
from £ 243.17*
per piece
 
 piece
Controller; 24÷60VDC; on panel; IP65; 96x96x57.9mm; 5A; Modbus RTU (3 offers) 
Manufacturer: SIEMENS Mounting: on panel Type of counted signal: electric power Kind of display used: LCD Electrical connection: screw terminals IP rating: IP65 Supply voltage: 24...60V DC Body dim...
Siemens
7KM3120-1BA01-1EA0
from £ 212.66*
per piece
 
 piece
Controller; 100÷250VAC; 100÷250VDC; on panel; IP65; 96x96x57.9mm (3 offers) 
Manufacturer: SIEMENS Mounting: on panel Type of counted signal: electric power Kind of display used: LCD Electrical connection: screw terminals IP rating: IP65 Supply voltage: 100...250V AC;100......
Siemens
7KM3120-0BA01-1DA0
from £ 215.32*
per piece
 
 piece
Controller; for DIN rail mounting; IP40; 107.8x96.9x71.4mm; 65A (2 offers) 
Manufacturer: SIEMENS Kind of connector: RJ45 Mounting: for DIN rail mounting Type of counted signal: electric power Kind of display used: LCD Electrical connection: screw terminals IP rating: IP40...
Siemens
7KM2200-2EA40-1JB1
from £ 495.74*
per piece
 
 piece
Siemens
7KM2200-2EA40-1JA1
from £ 214.16*
per piece
 
 piece
Siemens
7KM2200-2EA40-1HA1
from £ 195.53*
per piece
 
 piece
Siemens
7KM2200-2EA40-1GA1
from £ 188.32*
per piece
 
 piece
Siemens
7KM2200-2EA40-1EA1
from £ 196.35*
per piece
 
 piece
Siemens
7KM2200-2EA40-1DA1
from £ 176.48*
per piece
 
 piece
Siemens
7KM2200-2EA40-1CA1
from £ 171.79*
per piece
 
 piece
Siemens
7KM2200-2EA30-1JA1
from £ 210.27*
per piece
 
 piece
Siemens
7KM2200-2EA30-1HA1
from £ 194.69*
per piece
 
 piece
Siemens
7KM2200-2EA30-1GA1
from £ 188.80*
per piece
 
 piece
Siemens
7KM2200-2EA30-1EA1
from £ 195.48*
per piece
 
 piece
Siemens
7KM2200-2EA30-1DA1
from £ 175.87*
per piece
 
 piece
Siemens
7KM2200-2EA30-1CA1
from £ 172.08*
per piece
 
 piece
Controller; for DIN rail mounting; IP40; 107.8x96.9x71.4mm; 5A (2 offers) 
Manufacturer: SIEMENS Kind of connector: RJ45 Mounting: for DIN rail mounting Type of counted signal: electric power Kind of display used: LCD Electrical connection: screw terminals IP rating: IP40...
Siemens
7KM2200-2EA00-1JB1
from £ 482.28*
per piece
 
 piece
Controller; 100÷250VAC; 100÷250VDC; Leads: screw terminals; IP40 (3 offers) 
Manufacturer: SIEMENS Operating temperature: -10...55°C Type of counted signal: electric power Kind of display used: LCD Display height 1: 56mm IP rating: IP40 Supply voltage: 100...250V AC;100...2...
Siemens
7KM1020-0BA01-1DA0
from £ 141.12*
per piece
 
 piece
Siemens 5TT3423 auxiliary contact (3 offers) 
Siemens 5TT3423
Siemens
5TT3423
from £ 67.97*
per piece
 
 piece
Siemens 5TT3421 circuit breaker (3 offers) 
Siemens 5TT3421
Siemens
5TT3421
from £ 72.10*
per piece
 
 piece
Siemens 5TT3415 electrical relay (2 offers) 
Siemens 5TT3415
Siemens
5TT3415
from £ 98.921*
per piece
 
 piece
Siemens 5TT3402 electrical relay (3 offers) 
Siemens 5TT3402
Siemens
5TT3402
from £ 122.03*
per piece
 
 piece
Siemens 5TT3400 electrical relay (2 offers) 
Siemens 5TT3400
Siemens
5TT3400
from £ 93.53*
per piece
 
 piece
Siemens 5TT3170 auxiliary contact (3 offers) 
Siemens 5TT3170
Siemens
5TT3170
from £ 103.18*
per piece
 
 piece
Siemens 5SV8111-4KK circuit breaker (2 offers) 
Siemens 5SV8111-4KK
Siemens
5SV8111-4KK
from £ 921.40*
per piece
 
 piece
Meter; 24VDC; on panel; IP65; 96.2x96.2x56.3mm; Display: LCD; RJ45 (2 offers) 
Manufacturer: SIEMENS Kind of connector: RJ45 Mounting: on panel Kind of display used: LCD Electrical connection: screw terminals IP rating: IP65 Supply voltage: 24V DC Body dimensions: 96.2x96.2x5...
Siemens
3VA9987-0TD10
from £ 467.83*
per piece
 
 piece
Speed monitoring relay; speed; 24÷240VAC; 24÷240VDC; 3UG; SPDT (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Type of module: speed m...
Siemens
3UG4651-2AW30
from £ 155.69*
per piece
 
 piece
Speed monitoring relay; speed; 24VAC; 24VDC; 3UG; SPDT; 250VAC/3A (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: spring clamps Type of module: speed monitoring re...
Siemens
3UG4651-2AA30
from £ 148.74*
per piece
 
 piece
Siemens
3UG4651-1AW30
from £ 157.70*
per piece
 
 piece
Speed monitoring relay; speed; 24VAC; 24VDC; 3UG; SPDT; 250VAC/3A (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: screw terminals Type of module: speed monitoring ...
Siemens
3UG4651-1AA30
from £ 139.78*
per piece
 
 piece
Power factor monitoring relay; power factor cosφ; 90÷690VAC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: DPDT Supply voltage: 90...690V AC Leads: spring clamps Type of module: power factor monitor...
Siemens
3UG4641-2CS20
from £ 142.29*
per piece
 
 piece
Power factor monitoring relay; power factor cosφ; 90÷690VAC (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: DPDT Supply voltage: 90...690V AC Leads: screw terminals Type of module: power factor monit...
Siemens
3UG4641-1CS20
from £ 139.78*
per piece
 
 piece
Siemens 3UG46331AL30 electrical relay (3 offers) 
Digital monitoring relay Voltage monitoring, 22.5 mm from 17-275 V AC/DC Overshoot and undershoot Self-powered Spike delay 0.1 to 20 s Hysteresis 0.1 to 150 V 1 CO contact With or without error buf...
Siemens
3UG46331AL30
from £ 89.98*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 3UG; DPDT (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: spring clamps Body dime...
Siemens
3UG4633-2AL30
from £ 95.09*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Body dimensions: 22.5x94x91mm ...
Siemens
3UG4632-2AW30
from £ 99.37*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Body dimensions: 22.5x94x91mm ...
Siemens
3UG4631-2AW30
from £ 100.39*
per piece
 
 piece
Residual-current monitoring relay; residual-current; 24÷240VAC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Supply voltage: 24...240V AC Leads: spring clamps Type of module: residual-current mon...
Siemens
3UG4625-2CW30
from £ 136.18*
per piece
 
 piece
Residual-current monitoring relay; residual-current; 24÷240VAC (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Supply voltage: 24...240V AC Leads: screw terminals Type of module: residual-current m...
Siemens
3UG4625-1CW30
from £ 131.70*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24÷240VAC; 24÷240VDC (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Type of module: current...
Siemens
3UG4622-2AW30
from £ 113.70*
per piece
 
 piece
Siemens
3UG4622-2AA30
from £ 98.00*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24÷240VAC; 24÷240VDC (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24...240V AC;24...240V DC Leads: screw terminals Type of module: curre...
Siemens
3UG4622-1AW30
from £ 105.54*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; 3UG; SPDT (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: screw terminals Type of module: current monitorin...
Siemens
3UG4622-1AA30
from £ 99.65*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24÷240VAC; 24÷240VDC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Type of module: current...
Siemens
3UG4621-2AW30
from £ 107.34*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; 3UG; SPDT (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: spring clamps Type of module: current monitoring ...
Siemens
3UG4621-2AA30
from £ 98.00*
per piece
 
 piece
Siemens
3UG4621-1AW30
from £ 101.44*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; 3UG; SPDT (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: screw terminals Type of module: current monitorin...
Siemens
3UG4621-1AA30
from £ 94.02*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: spring clamps Body dime...
Siemens
3UG4618-2CR20
from £ 165.22*
per piece
 
 piece
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