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  Monitoring relays  (1,017 offers of 5,351,498 product items)

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Schneider Electric Voltage Monitoring Relay, DPDT, 1 → 100 V, DIN Rail / 146143 (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
RM35UA12MW
from £ 80.33*
per piece
 
 piece
Siemens Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 160 → 690V ac, DIN Rail / 5187051 (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
3UG4614-1BR20
from £ 103.95*
per piece
 
 piece
Siemens Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 160 → 690V ac, DIN Rail / 5187174 (3 offers) 
Monitoring Application = Phase, Voltage Electrical Phase = 3 Contact Configuration = DPDT Voltage Sensitivity = Overvoltage, Undervoltage Mounting Type = DIN Rail Phase Sensitivity = Phase Failure,...
Siemens
3UG4615-1CR20
from £ 129.98*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 7586930 (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
3UG4622-2AW30
from £ 109.90*
per piece
 
 piece
Siemens Voltage Monitoring Relay, 1 Phase, SPDT, 10 → 600V ac/dc, DIN Rail / 5187102 (1 offer) 
Single Phase Voltage. 22.5mm wide All devices can be digitally set and have an LCD display, a fault memory can be switched on Simultaneous monitoring for overvoltage and undervoltage over the compl...
Siemens
3UG4632-1AA30
£ 125.988*
per piece
 
 piece
Siemens Voltage Monitoring Relay, 1 Phase, SPDT, 10 → 600V ac/dc, DIN Rail / 7586942 (2 offers) 
Single Phase Voltage. 22.5mm wide All devices can be digitally set and have an LCD display, a fault memory can be switched on Simultaneous monitoring for overvoltage and undervoltage over the compl...
Siemens
3UG4632-1AW30
from £ 136.93*
per piece
 
 piece
Siemens 3UG4511-1BP20 electrical relay Black, Grey (4 offers)
Siemens
3UG45111BP20
from £ 72.18*
per piece
 
 piece
Siemens Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 160 → 690V ac, DIN Rail / 5187180 (2 offers) 
Monitoring Application = Phase, Voltage Electrical Phase = 3 Voltage Sensing Range = 160 → 690V ac Voltage Sensitivity = Overvoltage, Undervoltage Mounting Type = DIN Rail Phase Sensitivity = Phase...
Siemens
3UG4617-1CR20
from £ 149.92*
per piece
 
 piece
Siemens 3UG46331AL30 electrical relay (4 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 £ 87.10*
per piece
 
 piece
OMRON INDUSTRIAL AUTOMATION K8AKPA1 RELAY, PHASE MONITORING, SPDT, 240VAC (2 offers) 
Contact Configuration SPDT Product Range K8AK Supply Voltage Max 240 VAC Relay Mounting DIN Rail Phase Type 3 Phase Power Consumption - Relay Terminals Screw Switching Voltage Max - Phase Monitorin...
Omron
K8AKPA1
from £ 95.38*
per piece
 
 piece
MULTICOMP PRO CMA31-DC12V-A VOLTAGE MONITORING RELAY, Coil Voltage:1 (1 offer) 
Coil Resistance 85 ohm Relay Mounting Panel Mount Product Range - Contact Current 40 A Coil Voltage 12 VDC Relay Terminals Quick Connect Contact Material - Contact Configuration SPST SVHC No SVHC (...
Multicomp
CMA31-DC12V-A
from £ 1.99*
per piece
 
 piece
Crouzet Voltage Monitoring Relay, DPDT, 15 → 600 V, DIN Rail / 6149410 (3 offers) 
HU series voltage control relays. Alternating and direct voltage control. Automatic AC / DC recognition. Measurement ranges from 0.2 V → 600 V. Choice between over- and under-voltage. Measurement i...
Crouzet
84872130
from £ 101.92*
per piece
 
 piece
ABB Current Monitoring Relay, 1 Phase, 2CO (SPDT) / 2373180 (2 offers) 
Monitoring Application = Current Electrical Phase = 1 Contact Configuration = 2CO (SPDT) Series = CM
ABB
1SVR730840R0600 CM-SRS.M1S
from £ 111.40*
per piece
 
 piece
OMRON INDUSTRIAL AUTOMATION K8AKPM2 RELAY, PHASE MONITORING, SPDT, 480VAC (2 offers) 
Contact Configuration SPDT Product Range K8AK Supply Voltage Max 480 VAC Relay Mounting DIN Rail Phase Type 3 Phase Power Consumption - Relay Terminals Screw Switching Voltage Max - Phase Monitorin...
Omron
K8AKPM2
from £ 129.79*
per piece
 
 piece
Crouzet 84874320 HSV Phase Monitoring Relay (4 offers) 
This HSV phase monitoring relay from Crouzet has been designed for the control of overspeed, underspeed, operating rate and stopping. Equipped with a host of excellent features, including measureme...
Crouzet
84874320
from £ 126.16*
per piece
 
 piece
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