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  Monitoring Relays (1,267 items)

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Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
:
ELKO EP
HRN-55
from £ 23.57*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (1 offer) 
:
ELKO EP
HRN-54N
from £ 36.36*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (1 offer) 
:
ELKO EP
HRN-54
from £ 36.21*
per piece
 
 piece
Voltage monitoring relay; 230VAC; for DIN rail mounting; SPDT (1 offer) 
:
ELKO EP
HRN-43N/230V
from £ 40.79*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (1 offer) 
:
ELKO EP
HRH-5/UNI
from £ 24.10*
per piece
 
 piece
Frequency monitoring relay; AC voltage frequency; 161÷500VAC (1 offer) 
:
ELKO EP
HRF-10
from £ 39.53*
per piece
 
 piece
Power factor monitoring relay; power factor cosφ; 230VAC; COS-2 (1 offer) 
:
ELKO EP
COS-2/230V
from £ 63.83*
per piece
 
 piece
Voltage monitoring relay; phase error,phase sequence; IP40 (1 offer) 
:
Elco
SFR2/6
from £ 44.09*
per piece
 
 piece
Voltage monitoring relay; phase error,phase sequence; IP40 (1 offer) 
:
Elco
SFR2/5
from £ 29.44*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; IP40 (1 offer) 
:
Elco
LVE24
from £ 49.58*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; IP40 (1 offer) 
:
Elco
LVE230
from £ 48.79*
per piece
 
 piece
Voltage monitoring relay; too low voltage; IP20; 98x17.5x64mm (1 offer) 
:
Elco
EVU400NF
from £ 27.76*
per piece
 
 piece
Voltage monitoring relay; too low voltage; IP20; 98x17.5x64mm (1 offer) 
:
Elco
EVU400
from £ 51.14*
per piece
 
 piece
Voltage monitoring relay; too low voltage; 230VAC; IP20; 8A (1 offer) 
:
Elco
EVU231F
from £ 26.91*
per piece
 
 piece
Voltage monitoring relay; too low voltage; 230VAC; IP20; 8A (1 offer) 
:
Elco
EVU231
from £ 49.31*
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.