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  Monitoring Relays (822 items)

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ABB Temperature Monitoring Relay, 1 Phase, SPST, DIN Rail / 464508 (1 offer) 
Monitoring Application = Temperature Electrical Phase = 1 Contact Configuration = SPST Mounting Type = DIN Rail Temperature Sensitivity = Overtemperature, Undertemperature Series = CM-MSE Height = ...
ABB
1SVR550800R9300 CM-MSE
from £ 46.758*
per piece
 
 piece
F Lutze Ltd Monitoring Relay, DIN Rail / 8765109 (1 offer) 
Flammability class according to UL 94-V0, NFF I2,F2 International approval according to UL 508. LOCC-BOX Current Control System. The intelligent LOCC-BOX system has been designed to offer you a var...
Lutze
716408
from £ 46.847*
per piece
 
 piece
Dold Current Monitoring Relay, SPST, DIN Rail / 4650687 (1 offer) 
IEC/EN 60669. CE. IK 8702 - Remote switch. Low space requirements Reduced wiring requirements Quiet switching 10mA filament lamp load Overall width: 17.5 mm. Each current pulse operates the IK8702 ...
DOLD
IK8702.01 AC50/60Hz 230V
£ 47.006*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 1752279 (2 offers) 
Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure Spring-type terminal 1 NO contact, 1 NC contact US = 24 V AC/DC Auto RESET suitable for bimetallic switch 2 LEDs (Ready/T...
Siemens
3RN2010-2CA30
from £ 47.15*
per piece
 
 piece
ABB Temperature Monitoring Relay, 1 Phase, DPDT, DIN Rail / 8765042 (3 offers) 
Some products also have the ATEX approval for the use in hazardous areas. CM-MSS Series Thermistor Motor Protection Relays. Heavy duty starting Increased switching frequency High ambient temperatur...
ABB
1SVR740712R2200 CM-MSS.33P
from £ 47.23*
per piece
 
 piece
ABB Temperature Monitoring Relay, 1 Phase, DPDT, 220 → 240V ac, DIN Rail / 8765033 (3 offers) 
Monitoring Application = Temperature Electrical Phase = 1 Voltage Sensing Range = 220 → 240V ac Mounting Type = DIN Rail Time Delay = <100ms Frequency Sensing Range = 50 → 60Hz Temperature Sensitiv...
ABB
1SVR730712R2200 CM-MSS.33S
from £ 47.31*
per piece
 
 piece
ABB Temperature Monitoring Relay, DPDT, DIN Rail / 8765036 (4 offers) 
Monitoring Application = Temperature Contact Configuration = DPDT Mounting Type = DIN Rail Time Delay = <100ms Frequency Sensing Range = 50 → 60Hz Temperature Sensitivity = Overtemperature, Winding...
ABB
1SVR730712R0200 CM-MSS.32S
from £ 47.40*
per piece
 
 piece
ABB CM-PFS.S electrical relay (3 offers) 
The CM-PFS.S relay is from the CM three-phase monitors range. This relay operates with a rated control supply voltage / three-phase measuring voltage of 200-500 V AC and has a 2 c/o output with con...
ABB
1SVR730824R9300
from £ 48.64*
per piece
 
 piece
Broyce Control Voltage Monitoring Relay, 3PST, DIN Rail / 1883544 (1 offer) 
The product is designed to monitor the status of the externally wired contacts and operate/alternate the output relays in turn on each closure of the contact. A “;help”; function is included such t...
Broyce Control
LR44/3 100-230V AC/DC
£ 48.728*
per piece
 
 piece
Schneider Electric Level Monitoring Relay, 3 Phase, SPDT, DIN Rail / 1240183 (2 offers) 
RM22-L Liquid Level Control Relays. Schneider Electric Zelio RM22L series liquid level control relays for one or two liquid levels, with a fill or empty function. Control the actuation of pumps or ...
Schneider Electric
RM22LG11MT
from £ 48.77*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 1752275 (2 offers) 
Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure Screw terminal 1 NO contact, 1 NC contact US = 24 V AC/DC Auto RESET suitable for bimetallic switch 2 LEDs (Ready/Tripped...
Siemens
3RN2010-1CA30
from £ 49.15*
per piece
 
 piece
GIC Thermistor Motor Protection Monitoring Relay, 3 Phase, SPDT, DIN Rail / 7943963 (2 offers) 
GIC Combined Phase Failure ; Thermistor PTC Relay. Professional thermistor relay with protection againt phase sequence, phase loss and phase asymmetry faults. Monitors and protects motors with inte...
GIC
MLD4BS
from £ 49.57*
per piece
 
 piece
Lovato Monitoring Relay, SPDT-C/O, DIN Rail / 2247400 (2 offers) 
The Lovato level monitoring relays It has IP20 IEC degree of protection. It has double insulation between each supply, electrodes and output relay circuits.It is EAC and UL certified
LOVATO Electric
LVM25240
from £ 49.87*
per piece
 
 piece
ABB Temperature Monitoring Relay, SPDT, DIN Rail / 8764989 (3 offers) 
Some products also have the ATEX approval for the use in hazardous areas. CM-MSS Series Thermistor Motor Protection Relays. Heavy duty starting Increased switching frequency High ambient temperatur...
ABB
1SVR740720R1400 CM-MSS.11P
from £ 50.26*
per piece
 
 piece
GIC Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 7943939 (1 offer) 
GIC Supply Monitoring SM Range. GIC's profesional range of single and three phase supply monitors that are feature rich for industrial and agricultural use. The range covers phase loss/phase revers...
GIC
MG53BH
from £ 50.639*
per piece
 
 piece
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