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  Monitoring Relays (1,267 items)

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Siemens 5TT3400 electrical relay (1 offer) 
Siemens 5TT3400
Siemens
5TT3400
from £ 94.03*
per piece
Siemens 5TT3170 auxiliary contact (2 offers) 
Siemens 5TT3170
Siemens
5TT3170
from £ 105.27*
per piece
Siemens 5SV8111-4KK circuit breaker (2 offers) 
Siemens 5SV8111-4KK
Siemens
5SV8111-4KK
from £ 943.44*
per piece
Meter; 24VDC; on panel; IP65; 96.2x96.2x56.3mm; Display: LCD; RJ45 (2 offers) 
:
Siemens
3VA9987-0TD10
from £ 467.26*
per piece
Speed monitoring relay; speed; 24÷240VAC; 24÷240VDC; 3UG; SPDT (3 offers) 
:
Siemens
3UG4651-2AW30
from £ 156.93*
per piece
Speed monitoring relay; speed; 24VAC; 24VDC; 3UG; SPDT; 250VAC/3A (3 offers) 
:
Siemens
3UG4651-2AA30
from £ 148.39*
per piece
Siemens 3UG4651-1AW30 electrical relay Black, Grey (2 offers)
Siemens
3UG4651-1AW30
from £ 160.46*
per piece
Speed monitoring relay; speed; 24VAC; 24VDC; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4651-1AA30
from £ 139.45*
per piece
Power factor monitoring relay; power factor cosφ; 90÷690VAC (3 offers) 
:
Siemens
3UG4641-2CS20
from £ 144.89*
per piece
Power factor monitoring relay; power factor cosφ; 90÷690VAC (2 offers) 
:
Siemens
3UG4641-1CS20
from £ 140.88*
per piece
Siemens 3UG46331AL30 electrical relay (2 offers) 
Digital monitoring relay Voltage monitoring, 22.5 mm from 17-275 V AC/DC Overshoot and undershoot Self-powered Spike delay 0.1 to 20 s Hysteresis 0.1 to 150 V 1 CO contact With or without error buf...
Siemens
3UG46331AL30
from £ 91.25*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 3UG; DPDT (2 offers) 
:
Siemens
3UG4633-2AL30
from £ 95.77*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (3 offers) 
:
Siemens
3UG4632-2AW30
from £ 100.28*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (2 offers) 
:
Siemens
3UG4631-2AW30
from £ 100.28*
per piece
Residual-current monitoring relay; residual-current; 24÷240VAC (3 offers) 
:
Siemens
3UG4625-2CW30
from £ 137.41*
per piece
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* Prices with asterisk are net prices excl. statutory VAT.
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