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  Monitoring Relays (1,267 items)

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Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (3 offers) 
:
Siemens
3UG4615-2CR20
from £ 140.59*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (2 offers) 
:
Siemens
3UG4615-1CR20
from £ 136.71*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (2 offers) 
:
Siemens
3UG4614-2BR20
from £ 108.99*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (2 offers) 
:
Siemens
3UG4614-1BR20
from £ 109.74*
per piece
Siemens 3UG45131BR20 electrical relay Grey 3 (2 offers) 
Analog monitoring relay Phase failure and sequence Adjustable undervoltage Asymmetry 20% fixed 3 x 160 to 690 V 50 to 60 Hz AC Hysteresis 5% fixed Delay time 0-20 s 2 change-over contacts screw ter...
Siemens
3UG45131BR20
from £ 96.05*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (3 offers) 
:
Siemens
3UG4513-2BR20
from £ 96.61*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (3 offers) 
:
Siemens
3UG4512-2BR20
from £ 85.40*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; SPDT; IP20 (3 offers) 
:
Siemens
3UG4512-2AR20
from £ 73.72*
per piece
Siemens 3UG4512-1BR20 electrical relay Black, Grey (3 offers)
Siemens
3UG4512-1BR20
from £ 84.89*
per piece
Voltage monitoring relay; for DIN rail mounting; 3UG; SPDT; IP20 (3 offers) 
:
Siemens
3UG4512-1AR20
from £ 68.48*
per piece
Siemens 3UG4511-2BQ20 electrical relay Black, Grey (3 offers)
Siemens
3UG45112BQ20
from £ 74.88*
per piece
Siemens 3UG4511-1BP20 electrical relay Black, Grey (2 offers)
Siemens
3UG45111BP20
from £ 75.89*
per piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2BP20
from £ 82.99*
per piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2BN20
from £ 74.09*
per piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2AQ20
from £ 66.06*
per piece
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