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  Monitoring relays  (1,017 offers of 5,351,490 product items)

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Schneider Electric Voltage Monitoring Relay, DPDT, 15 → 600 V, DIN Rail / 146187 (3 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM35 UA Series Multifunction Voltage Control Relay. Schneider Electric RM35 UA multifunction current control relays monitor both AC and DC ...
Schneider Electric
RM35UA13MW
from £ 93.14*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, 3 Phase, DPDT, 114 → 329V ac, DIN Rail / 146468 (3 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM17 UB3 and RM35 UB3 Three-Phase Voltage Control Relay. Schneider Electric RM17/35 UB measurement and control relays for 3 phase supplies,...
Schneider Electric
RM35UB3N30
from £ 104.49*
per piece
 
 piece
Schneider Electric Phase, Temperature, Voltage Monitoring Relay, 3 Phase, DPST, 208 → 480V ac, DIN Rail / 146446 (1 offer) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM35 TM Three-Phase Network and Motor Temperature Control Relay. Schneider Electric RM35 TM relays for measurement and control of motor tem...
Schneider Electric
RM35TM50MW
from £ 180.646*
per piece
 
 piece
Schneider Electric
RM35JA32MW
from £ 72.97*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 7586955 (2 offers) 
Single Phase Current Monitoring Relay. Current monitoring relays to monitor single phase AC currents and DC currents against the set threshold value for undershoot and overshoot. A current monitori...
Siemens
3UG4641-1CS20
from £ 133.20*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, SPDT, 10 → 100V ac/dc, DIN Rail / 7763666 (1 offer) 
Acti9 Monitoring Relays. Range of relays for current, voltage and phase control, time delay relays with frontal regulation by trimmer and fault tripping indication
Schneider Electric
A9E21182
from £ 353.589*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, 1 Phase, SPDT, 65 → 260V ac/dc, DIN Rail / 146171 (2 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM17 U Series Voltage Control Relay. Schneider Electric RM17 U single-phase and direct current voltage control relays that monitor over-vol...
Schneider Electric
RM17UAS15
from £ 62.29*
per piece
 
 piece
Schneider Electric LCD Energy Meter / 9139655 (1 offer) 
Schneider Electric PM8000 Power Meter. Schneider Electric PM8000 series meters help you improve energy efficiency, sub-bill or allocate costs and improve productivity. These improvements are done b...
Schneider Electric
METSEPM89RD96
£ 374.448*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT, 160 → 260V ac, DIN Rail / 7586920 (2 offers) 
Line Supply and Three Phase Voltage. 3UG4 relays that monitor current, power factor and active current are ideal for monitoring the load of motors and functionality of electronic loads. These devic...
Siemens
3UG4511-1AN20
from £ 58.94*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, DPDT, 160 → 690V ac, DIN Rail / 7586933 (2 offers) 
Line Supply and Three Phase Voltage. 3UG4 relays that monitor current, power factor and active current are ideal for monitoring the load of motors and functionality of electronic loads. These devic...
Siemens
3UG4614-2BR20
from £ 103.37*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, DPDT, 0.05 → 5 V, DIN Rail / 146109 (2 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM35 UA Series Multifunction Voltage Control Relay. Schneider Electric RM35 UA multifunction current control relays monitor both AC and DC ...
Schneider Electric
RM35UA11MW
from £ 73.08*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, 3 Phase, DPDT, 194 → 528V ac, DIN Rail / 146474 (2 offers) 
NF EN 60255-6 and IEC 60255-6. UL, CSA, GL, C-Tick, GOST. RM17 UB3 and RM35 UB3 Three-Phase Voltage Control Relay. Schneider Electric RM17/35 UB measurement and control relays for 3 phase supplies,...
Schneider Electric
RM35UB330
from £ 103.62*
per piece
 
 piece
Siemens 3UG45131BR20 electrical relay Grey 3 (4 offers) 
Analog monitoring relay Phase failure and sequence Adjustable undervoltage Asymmetry 20% fixed 3 x 160 to 690 V 50 to 60 Hz AC Hysteresis 5% fixed Delay time 0-20 s 2 change-over contacts screw ter...
Siemens
3UG45131BR20
from £ 89.92*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT, 160 → 690V ac, DIN Rail / 7586924 (3 offers) 
Monitoring Application = Phase Electrical Phase = 3 Voltage Sensing Range = 160 → 690V ac Mounting Type = DIN Rail Phase Sensitivity = Phase Failure, Phase Sequence Series = 3UG4 Maximum Voltage Se...
Siemens
3UG4512-1AR20
from £ 65.62*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 5187168 (4 offers) 
Monitoring Application = Current Electrical Phase = 1 Contact Configuration = SPDT Mounting Type = DIN Rail Minimum Current Sensed = 50mA Maximum Current Sensed = 10A Current Sensitivity = Overcurr...
Siemens
3UG4622-1AW30
from £ 102.02*
per piece
 
 piece
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