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  Monitoring Relays (822 items)

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Carlo Gavazzi Phase Monitoring Relay, 3 Phase, SPDT, 177 → 550V ac, DIN Rail / 8577662 (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
DPA51CM44
from £ 41.13*
per piece
 
 piece
Carlo Gavazzi Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 2098590 (2 offers) 
The Carlo Gavazzi voltage monitoring relay can operate on both 3Ph and 3Ph+N mains detecting, besides the phase loss and the correct phase sequence, possible overvoltages and undervoltages. The pow...
Carlo Gavazzi
DPB01CM44
from £ 126.32*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 323 → 550V ac, DIN Rail / 8577696 (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
DPB01CM48
from £ 128.57*
per piece
 
 piece
Carlo Gavazzi Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 2098591 (2 offers) 
The Carlo Gavazzi voltage monitoring relay can operate on both 3Ph and 3Ph+N mains detecting, besides the phase loss and the correct phase sequence, possible overvoltages and undervoltages. The pow...
Carlo Gavazzi
DPB02CM44
from £ 126.58*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 177 → 550V ac, DIN Rail / 2010820 (2 offers) 
The Carlo Gavazzi DPB51 is a 3-phase or 3-phase+neutral line voltage monitoring relay for phase sequence, phase loss, over and under voltage with built-in time delay function.Detects when all 3 pha...
Carlo Gavazzi
DPB51CM44
from £ 64.00*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 177 → 275V ac, DIN Rail / 8577690 (2 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
DPC01DM23
from £ 181.77*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 2098592 (2 offers) 
The Carlo Gavazzi voltage monitoring relay can operate on both 3P and 3P+N systems, monitoring phase loss and phase sequence, overvoltage and undervoltage, voltage asymmetry and tolerance. The powe...
Carlo Gavazzi
DPC01DM44
from £ 172.13*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 323 → 550V ac, DIN Rail / 8577426 (3 offers) 
DPC01/PPC01 Multifunction Monitoring Relay. Carlo Gavazzi DPC01 ; PPC01 series of monitoring relays provide the user with a comprehensive variety of monitoring options such as phase sequence, loss ...
Carlo Gavazzi
DPC01DM48
from £ 189.12*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 510 → 793V ac, DIN Rail / 8577700 (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
DPC01DM69
from £ 188.91*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3, 3+N Phase, SPDT, 510 → 793V ac, DIN Rail / 8568551 (2 offers) 
DPC01/PPC01 Multifunction Monitoring Relay. Carlo Gavazzi DPC01 ; PPC01 series of monitoring relays provide the user with a comprehensive variety of monitoring options such as phase sequence, loss ...
Carlo Gavazzi
DPC01DM69400HZ
from £ 183.82*
per piece
 
 piece
Carlo Gavazzi Frequency, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 2098593 (2 offers) 
The Carlo Gavazzi voltage and frequency monitoring relay can operate on both 3P and 3P+N systems, monitoring phase loss and phase sequence, overvoltage and undervoltage, voltage asymmetry and toler...
Carlo Gavazzi
DPC02DM44
from £ 192.75*
per piece
 
 piece
Carlo Gavazzi Thermistor Motor Protection Monitoring Relay, SPST, DIN Rail / 2010821 (2 offers) 
The Carlo Gavazzi DTA04 is a motor thermistor monitoring relay. It detects when one or more motor windings are exceeding the maximum operating winding temperature.Equipped with 2 outputs which oper...
Carlo Gavazzi
DTA04DM24
from £ 63.41*
per piece
 
 piece
Carlo Gavazzi Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 2098594 (3 offers) 
The Carlo Gavazzi motor thermistor relay can monitor up to 6 motor temperatures through the motor internal temperature. It features 1 output, AUTO reset and no TEST switch. The bi-colour front LED,...
Carlo Gavazzi
DTA71CM24
from £ 58.09*
per piece
 
 piece
Carlo Gavazzi Thermistor Motor Protection Monitoring Relay, SPDT, DIN Rail / 2098595 (3 offers) 
The Carlo Gavazzi motor thermistor relay can monitor up to 6 motor temperatures through the motor internal temperature. It features 2 outputs, the TEST switch and the local or remote manual RESET. ...
Carlo Gavazzi
DTA72DM24
from £ 63.69*
per piece
 
 piece
Carlo Gavazzi Current, Voltage Monitoring Relay, 1 Phase, SPDT, 0.4 → 4 V ac, 2 → 20V ac/dc, DIN Rail / 8577167 (2 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
DUA01CB23500V
from £ 67.47*
per piece
 
 piece
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