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  Monitoring Relays (144 items)

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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 £ 94.72*
per piece
 
 piece
Siemens
3UG4621-1AA30
from £ 94.77*
per piece
 
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Siemens
3RN2012-1BA30
from £ 95.30*
per piece
 
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Siemens
3UG4513-2BR20
from £ 95.45*
per piece
 
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Siemens
3UG4633-2AL30
from £ 95.77*
per piece
 
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Siemens
3UG4622-2AA30
from £ 98.77*
per piece
 
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Siemens
3RN2012-1BW30
from £ 98.85*
per piece
 
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Siemens
3RN2012-2BW30
from £ 98.85*
per piece
 
 piece
Siemens
3UG4622-1AA30
from £ 99.42*
per piece
 
 piece
Siemens
3UG4621-2AA30
from £ 99.77*
per piece
 
 piece
Siemens
3UG4631-2AW30
from £ 100.28*
per piece
 
 piece
Siemens
3UG4632-2AW30
from £ 100.28*
per piece
 
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Siemens
3UG4621-1AW30
from £ 102.23*
per piece
 
 piece
Siemens 5TT3170 auxiliary contact (2 offers) 
Siemens 5TT3170
Siemens
5TT3170
from £ 103.37*
per piece
 
 piece
Siemens
3UG4622-1AW30
from £ 106.38*
per piece
 
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