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  Monitoring Relays (822 items)

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Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 8577703 (3 offers) 
Over Voltage - Over Current Monitoring Relay. Monitoring relays from Carlo Gavazzi can also be used as 1-phase or 3- phase over current monitoring relays when connected with MI or MP current transf...
Carlo Gavazzi
DIB01CM24100A
from £ 120.05*
per piece
 
 piece
Siemens Current Monitoring Relay, SPDT / 2032078 (1 offer) 
The Siemens load monitoring basis having current range of 50A and control voltage 24VAC at 40 °C temperature. It has clip on mounting type.Degree of pollution 3 Protection class IP20
Siemens
3RF2950-0GA13
£ 120.533*
per piece
 
 piece
Dold Frequency Monitoring Relay, SPDT, DIN Rail / 6566253 (1 offer) 
IEC/EN 60255, DIN VDE 0435-303. CE. IK9143 - Frequency relay. Detection of under/over frequency in alternating voltage networks; switchable No auxiliary voltage Switchable frequency range for 50 or...
DOLD
IK9143.11 AC50/60Hz 230V Hyst.0.5-10%
£ 120.959*
per piece
 
 piece
Lovato Monitoring Relay / 2247401 (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
LVM40A024
from £ 123.24*
per piece
 
 piece
Lovato Monitoring Relay / 2247402 (2 offers) 
The Lovato level monitoring relays with modular version it has single-voltage and multifunctions. It has automatic resetting.Certified by EAC
LOVATO Electric
LVM40A240
from £ 123.28*
per piece
 
 piece
Carlo Gavazzi Power Factor Monitoring Relay, 3 Phase, SPDT, DIN Rail / 8577280 (2 offers) 
3 Phase Load Guard Monitoring Relay. Carlo Gavazzi DWB01 ; PWB01 series of precise TRMS power factor monitoring relays deisgned for use with 3 phase systems. Suitable for monitoring the actual load...
Carlo Gavazzi
DWB01CM4810A
from £ 123.34*
per piece
 
 piece
Hiquel Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 9144639 (1 offer) 
ICC Series Current Control Monitor. Hiquel ICC series monitors a single phase current signal. It is suitable for use with alternate and direct currents. Three different current ranges available to ...
Hiquel
ICC 230Vac
£ 123.85*
per piece
 
 piece
Schneider Electric Voltage Monitoring Relay, 1 Phase, DPDT, 1 → 100V ac/dc, DIN Rail / 1240187 (2 offers) 
RM22-UA Voltage Control Relay. Schneider Electric Zelio RM22UA series single phase or DC voltage control relays. Automatic AC or DC recognition Selection between overvoltage and undervoltage Monito...
Schneider Electric
RM22UA32MR
from £ 123.958*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, 24 → 240V ac/dc, DIN Rail / 1752296 (2 offers) 
Siemens Thermistor motor protection relayThe Siemens thermistor motor protection relay is a reliable over temperature protection device to save the motors from overload. This relay has a mechanism ...
Siemens
3RN2013-2GW30
from £ 124.15*
per piece
 
 piece
Lovato Voltage Monitoring Relay, 3 Phase, SPDT, 208 → 240V ac, DIN Rail / 9160126 (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
PMV50NA240
from £ 124.73*
per piece
 
 piece
Lovato Voltage Monitoring Relay, 3 Phase, SPDT, 380 → 440V ac, DIN Rail / 9160120 (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
PMV50NA440
from £ 124.88*
per piece
 
 piece
Siemens Thermistor Motor Protection Monitoring Relay, DPDT, 24 → 240V ac/dc, DIN Rail / 1752293 (2 offers) 
Siemens Thermistor motor protection relayThe Siemens thermistor motor protection relay is a reliable over temperature protection device to save the motors from overload. This relay has a mechanism ...
Siemens
3RN2013-1GW30
from £ 124.94*
per piece
 
 piece
Crouzet Speed Monitoring Relay, SP-NO/NC, DIN Rail / 261993 (4 offers) 
Speed Control Relay - C-Lynx. The HSV relay controls the speed (or, more strictly speaking, the operating rate, or frequency) of a process (moving walkway, conveyor) using discrete sensors. It can ...
Crouzet
84874320
from £ 125.48*
per piece
 
 piece
Siemens Voltage Monitoring Relay, 1 Phase, SPDT / 2131313 (1 offer) 
The Siemens 3UG series is a digital monitoring relay. The monitoring function is of phase monitoring. Withh 1 change-over contacts screw terminal connection system.It has a protection class rating ...
Siemens
3UG4631-1AA30
£ 125.988*
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
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