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  Monitoring Relays (1,267 items)

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Voltage monitoring relay; undervoltage,overvoltage; 24/230VAC (1 offer) 
:
RELPOL
MR-EU1W1P
from £ 86.19*
per piece
 
 piece
Monitoring relay; motor temperature; 230VAC; Temp.sensor: PTC (1 offer) 
:
RELPOL
MR-ET1P
from £ 86.09*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; MR-EI; SPDT; IP20 (1 offer) 
:
RELPOL
MR-EI1W1P
from £ 89.70*
per piece
 
 piece
Voltage monitoring relay; phase failure; 230VAC; IP20; IN: 4 (1 offer) 
:
Rabbit
DZN
from £ 60.91*
per piece
 
 piece
Controller; 230VAC 50/60Hz; for DIN rail mounting; 46x100x114mm (1 offer) 
:
Qoltec
50888
from £ 9.76*
per piece
 
 piece
Controller; 230VAC 50/60Hz; for DIN rail mounting; 18x97x63mm (1 offer) 
:
Qoltec
50887
from £ 10.12*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; DPDT; IP20 (1 offer) 
:
POLLIN
SZR-2
from £ 118.06*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; SPST-NO; IP20 (1 offer) 
:
POLLIN
SZR-1
from £ 112.16*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; MKF; SPDT (1 offer) 
:
POLLIN
MKF-2PK
from £ 38.70*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; MKF; SPDT (1 offer) 
:
POLLIN
MKF-2P
from £ 27.91*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; MKF; SPDT (1 offer) 
:
POLLIN
MKF-1PK
from £ 22.28*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; MKF; DPDT (1 offer) 
:
POLLIN
MKF-12PK
from £ 34.32*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; AZF; IP20 (1 offer) 
:
POLLIN
AZF-4
from £ 60.06*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; AZF; IP20 (1 offer) 
:
POLLIN
AZF-3
from £ 50.20*
per piece
 
 piece
Phoenix Contact 2866064 electrical relay Green (3 offers) 
Monitoring relay for monitoring 3-phase voltages of 280...520 V AC, undervoltage, window, phase sequence, phase failure, asymmetry, wide-range power supply unit, 2 PDTs
Phoenix Contact
2866064
from £ 159.07*
per piece
 
 piece
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* Prices with asterisk are net prices excl. statutory VAT.
Our offer is only aimed at companies, public institutions and freelancers.