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  Monitoring Relays (1,267 items)

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Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (3 offers) 
:
Siemens
3UG4511-2AP20
from £ 68.61*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2AN20
from £ 65.13*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1BQ20
from £ 71.90*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1BN20
from £ 72.13*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (3 offers) 
:
Siemens
3UG4511-1AQ20
from £ 62.28*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1AP20
from £ 65.46*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1AN20
from £ 62.66*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (2 offers) 
:
Siemens
3UG4501-2AW30
from £ 73.24*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; 24VDC (2 offers) 
:
Siemens
3UG4501-2AA30
from £ 67.19*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (2 offers) 
:
Siemens
3UG4501-1AW30
from £ 72.02*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; 24VDC (3 offers) 
:
Siemens
3UG4501-1AA30
from £ 62.87*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (3 offers) 
:
Siemens
3RN2023-2DW30
from £ 178.89*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (3 offers) 
:
Siemens
3RN2023-1DW30
from £ 177.09*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (3 offers) 
:
Siemens
3RN2013-2GW30
from £ 131.90*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2013-2BW30
from £ 125.34*
per piece
 
 piece
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