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  Monitoring Relays (822 items)

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GIC Thermistor Motor Protection Monitoring Relay, 1 Phase, DPDT, 110 → 240V ac, DIN Rail / 7943957 (2 offers) 
GIC PTC Thermistor Relay Series PD225. Professional thermistor relay containing protection againt Phase sequence fault. Monitors and protects motors with integrated PTC resistor sensors Protection ...
GIC
MJ83BK
from £ 51.08*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 1752277 (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
3RN2010-2BA30
from £ 51.30*
per piece
 
 piece
Lovato Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 400V ac, DIN Rail / 9160085 (2 offers) 
EAC; UL Listed for USA and Canada (cULus File E93601) as auxiliary devices. Compliant with standards: IES/EN 60255-5 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508 CSA C22.2 n° 14. Voltage Monitoring Rel...
LOVATO Electric
PMV20A575
from £ 51.75*
per piece
 
 piece
Lovato Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 400V ac, DIN Rail / 9160081 (2 offers) 
EAC; UL Listed for USA and Canada (cULus File E93601) as auxiliary devices. Compliant with standards: IES/EN 60255-5 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508 CSA C22.2 n° 14. Voltage Monitoring Rel...
LOVATO Electric
PMV20A240
from £ 52.06*
per piece
 
 piece
Lovato Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 400V ac, DIN Rail / 9160094 (2 offers) 
EAC; UL Listed for USA and Canada (cULus File E93601) as auxiliary devices. Compliant with standards: IES/EN 60255-5 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508 CSA C22.2 n° 14. Voltage Monitoring Rel...
LOVATO Electric
PMV20A600
from £ 52.13*
per piece
 
 piece
Broyce Control Phase, Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail / 8505398 (2 offers) 
UL Certification. L Series - Control Relays. L Series relay range of Timers, Control and Three Phase relays incorporate the latest technology and offer a wide range of user adjustable features. 17....
Broyce Control
LXCVR 115V
from £ 52.50*
per piece
 
 piece
Dold Phase Monitoring Relay, 3 Phase, DIN Rail / 3586917 (1 offer) 
IK9169 phase monitor, IK9168 phase monitor display. Detection of phase failure in three-phase systems Single-phase connection also an option Rest current principle Adjustable phase sequence LED dis...
DOLD
IK9168 3AC50/60Hz 230/400V
£ 52.708*
per piece
 
 piece
Dold Phase Monitoring Relay, 3 Phase, DIN Rail / 3586951 (1 offer) 
IK9179 three-phase monitor and IK9178 display. Monitoring of three-phase systems for direction of rotation No auxiliary voltage LED display lights up when a clockwise rotation field is detected 17....
DOLD
IK9178 3AC50/60Hz 400V
£ 52.837*
per piece
 
 piece
Tele Temperature Monitoring Relay, 1 Phase, SPST, DIN Rail / 1239721 (1 offer) 
VEO Series Temperature Monitoring Relay. TELE VEO series temperature monitoring relay of the motor winding with fault latch for temperature sensors. Featuring short circuit monitoring of the thermi...
Tele
V2TF01
from £ 52.916*
per piece
 
 piece
GIC Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 7943960 (2 offers) 
GIC PTC Thermistor Relay Series PD225. Professional thermistor relay containing protection againt Phase sequence fault. Monitors and protects motors with integrated PTC resistor sensors Protection ...
GIC
MJA3BK
from £ 53.01*
per piece
 
 piece
Schneider Electric Frequency, Phase, Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail / 1790019 (3 offers) 
Schneider Electric Power Supply Monitoring RelayThe Schneider Electric power supply monitoring relay is a 3 phase multi-function monitoring relay. Monitoring a 3 phase power supply is extremely imp...
Schneider Electric
RMNF22TB30
from £ 53.11*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, DIN Rail / 1752273 (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
3RN2010-1BA30
from £ 53.15*
per piece
 
 piece
Broyce Control Phase, Voltage Monitoring Relay, 1 Phase, SPDT, DIN Rail / 8505395 (2 offers) 
UL Certification. L Series - Control Relays. L Series relay range of Timers, Control and Three Phase relays incorporate the latest technology and offer a wide range of user adjustable features. 17....
Broyce Control
LXCVR 230V
from £ 53.32*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, SPDT, 24 → 240V ac/dc, DIN Rail / 1752276 (3 offers) 
Thermistor motor protection relay Compact evaluation unit 17.5 mm enclosure Screw terminal 1 NO contact, 1 NC contact US = 24 V-240 V AC/DC Auto RESET suitable for bimetallic switch 2 LEDs (Ready/T...
Siemens
3RN2010-1CW30
from £ 53.32*
per piece
 
 piece
GIC Thermistor Motor Protection Monitoring Relay, 3 Phase, DPDT, 220 → 440V ac, DIN Rail / 7943951 (1 offer) 
GIC PTC Thermistor Relay Series PD225. Professional thermistor relay containing protection againt Phase sequence fault. Monitors and protects motors with integrated PTC resistor sensors Protection ...
GIC
MJ93BK
from £ 53.599*
per piece
 
 piece
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