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  Phase unbalance relays  (1,157 offers of 5,365,386 product items)

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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 £ 84.73*
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 £ 108.07*
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 £ 78.98*
per piece
 
 piece
Carlo Gavazzi Phase Monitoring Relay, 3 Phase, DPDT / 2010824 (2 offers) 
The Carlo Gavazzi PPA01 is a 3-phase relay for detection of incorrect phase sequence, total and partial phase loss. The device detects regenerated voltages up to 85% of the nominal voltage.Detect w...
Carlo Gavazzi
PPA01DM48
from £ 86.38*
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 £ 78.95*
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 £ 42.21*
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 £ 119.55*
per piece
 
 piece
Carlo Gavazzi Phase, Voltage Monitoring Relay, 3 Phase, SPDT, 177 → 475V ac, DIN Rail / 8577416 (3 offers) 
DPA01/PPA01 Monitoring Relay. Carlo Gavazzi DPA01 and PPA01 series three-phase relay for detection of incorrect phase sequence, total and partial phase loss. The relays have a wide supply voltage r...
Carlo Gavazzi
PPA01CM44
from £ 64.08*
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 £ 113.95*
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 £ 87.79*
per piece
 
 piece
Carlo Gavazzi Current Monitoring Relay, 1 Phase, SPST, DIN Rail / 8577075 (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
DIA53S72420A
from £ 45.35*
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 £ 181.13*
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 £ 67.41*
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 £ 73.53*
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 £ 103.24*
per piece
 
 piece
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