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  Monitoring Relays (817 items)

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Broyce Control Voltage Monitoring Relay, SPDT, 12 → 24V dc, DIN Rail / 8505411 (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
LBVR/A 12-24VDC
from £ 58.22*
per piece
 
 piece
Broyce Control Voltage Monitoring Relay, SPDT, 2 → 500V ac/dc, DIN Rail / 8505405 (1 offer) 
UL Certification. L Series - Selectable 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 fe...
Broyce Control
LMCVR-500V 24-230VAC/DC
from £ 97.52*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT / 2565058 (2 offers) 
Monitoring Application = Current Electrical Phase = 1 Contact Configuration = SPDT
Carlo Gavazzi
DIB01CD4810A
from £ 104.72*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT / 2565068 (3 offers) 
Carlo Gavazzi Relay Accessories. Accessories designed for use with Various Carlo Gavazzi relay series such as Octal bases for DIN mounting
Carlo Gavazzi
PIA01CB235A
from £ 79.42*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 2010819 (2 offers) 
The Carlo Gavazzi DIA01 precise AC/DC over current monitoring relay owing to the built-in latch function, the ON-position of the relay output can be maintained.Current measured through internal shu...
Carlo Gavazzi
DIA01CB235A
from £ 79.29*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 8577182 (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
DIB01CB235A
from £ 105.53*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 8577527 (2 offers) 
DIB01/PIB01 Series Over/Under Current Relay. Carlo Gavazzi DIB01 and PIB01 series are precise TRMS AC/DC over or under current monitoring relays. The DIB and PIB ranges allow direct measuring or th...
Carlo Gavazzi
DIB01CB23500MA
from £ 108.69*
per piece
 
 piece
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 £ 123.17*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, Maximum of 4 V ac, 150 mV ac/dc, DIN Rail / 8577189 (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
DIB02CB23150MV
from £ 115.06*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPDT, Maximum of 4 V ac, 150 mV ac/dc, Plug In / 8577185 (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
PIB02CB23150MV
from £ 85.78*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPST, DIN Rail / 8577072 (2 offers) 
Carlo Gavazzi Over Current Monitor. Small current monitoring relay combined with built-in current transformer with a solid state output. Easily installed via a 2 wire connection. 12mm hole allows f...
Carlo Gavazzi
DIA53S72450A
from £ 42.89*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPST, DIN Rail / 8577075 (3 offers) 
Carlo Gavazzi Over Current Monitor. Small current monitoring relay combined with built-in current transformer with a solid state output. Easily installed via a 2 wire connection. 12mm hole allows f...
Carlo Gavazzi
DIA53S72420A
from £ 45.35*
per piece
 
 piece
Carlo Gavazzi Current, Voltage Monitoring Relay, 1 Phase, SPDT, 0.4 → 4 V ac, 2 → 20V ac/dc, DIN Rail / 8577167 (1 offer) 
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 £ 89.70*
per piece
 
 piece
Carlo Gavazzi Current, Voltage Monitoring Relay, SPDT, 0.4 → 500 V ac, 2 → 500V dc, DIN Rail / 7271256 (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
PUA01CB23500V
from £ 67.10*
per piece
 
 piece
Carlo Gavazzi Frequency Monitoring Relay, DIN Rail / 8593077 (3 offers) 
DFB01/PFB01 Frequency Monitoring Relay. Carlo Gavazzi DFB01 and PFB01 series precise frequency monitoring relays. The DFB and PFB relays monitor their own power supply from 24 to 240 V ac. The rela...
Carlo Gavazzi
DFB01CM24
from £ 158.86*
per piece
 
 piece
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