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  Monitoring Relays (822 items)

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Broyce Control Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 280 → 520V ac, DIN Rail / 8505370 (1 offer) 
UL Certification. LX Series - Three Phase 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...
Broyce Control
LXPRT 280-520VAC
from £ 58.44*
per piece
 
 piece
Broyce Control Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail / 8505389 (1 offer) 
UL Certification. LX Series - Three Phase 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...
Broyce Control
LXPRT-4W 230V (400V)
from £ 62.044*
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 £ 158.13*
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 £ 78.71*
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 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 £ 42.33*
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 £ 108.47*
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 £ 104.23*
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 £ 103.70*
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 £ 120.05*
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 £ 113.80*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 177 → 550V ac, DIN Rail / 8577680 (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
DPA01CM44
from £ 73.84*
per piece
 
 piece
Carlo Gavazzi Phase Monitoring Relay, 3 Phase, SPDT / 2565060 (2 offers) 
Monitoring Application = Phase Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Phase Loss, Phase Rotation
Carlo Gavazzi
DPA01CM60
from £ 88.12*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 510 → 760V ac, DIN Rail / 8593083 (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
DPA01CM69
from £ 88.50*
per piece
 
 piece
Carlo Gavazzi Phase Monitoring Relay, 3 Phase, SPDT / 2565061 (2 offers) 
Monitoring Application = Phase Electrical Phase = 3 Contact Configuration = SPDT Voltage Sensitivity = Phase Loss, Phase Rotation
Carlo Gavazzi
DPA01DM48
from £ 103.47*
per piece
 
 piece
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