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  Monitoring Relays (144 items)

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Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2000-2AA30
from £ 38.98*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2000-1AA30
from £ 39.00*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
:
Siemens
3RN2000-2AW30
from £ 43.17*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2000-1AW30
from £ 45.44*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2010-2CA30
from £ 49.63*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2010-1CA30
from £ 52.16*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2010-2BA30
from £ 53.64*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; NC,NO (2 offers) 
:
Siemens
3RN2010-1BA30
from £ 56.28*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (3 offers) 
:
Siemens
3RN2010-1CW30
from £ 56.61*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2010-2CW30
from £ 56.71*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2010-2BW30
from £ 59.11*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2010-1BW30
from £ 59.70*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1AQ20
from £ 62.25*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (1 offer) 
:
Siemens
3UG4511-1AN20
from £ 63.23*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; 24VDC (2 offers) 
:
Siemens
3UG4501-1AA30
from £ 63.51*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2AN20
from £ 65.37*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2AQ20
from £ 66.00*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; DPDT (2 offers) 
:
Siemens
3RN2011-1BA30
from £ 66.04*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1AP20
from £ 66.06*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; 24VDC (2 offers) 
:
Siemens
3UG4501-2AA30
from £ 66.51*
per piece
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; DPDT (2 offers) 
:
Siemens
3RN2011-2BA30
from £ 66.75*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (3 offers) 
:
Siemens
3UG4511-2AP20
from £ 67.99*
per piece
 
 piece
Siemens 5TT3423 auxiliary contact (2 offers) 
Siemens 5TT3423
Siemens
5TT3423
from £ 68.52*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 3UG; SPDT; IP20 (3 offers) 
:
Siemens
3UG4512-1AR20
from £ 69.16*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2011-2BW30
from £ 69.55*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
:
Siemens
3RN2011-1BW30
from £ 70.26*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (1 offer) 
:
Siemens
3UG4511-1BQ20
from £ 71.07*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-1BN20
from £ 71.87*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (1 offer) 
:
Siemens
3UG4501-1AW30
from £ 72.02*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 3UG; SPDT; IP20 (2 offers) 
:
Siemens
3UG4512-2AR20
from £ 72.23*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; SPDT (1 offer) 
:
Siemens
3UG4501-2AW30
from £ 72.47*
per piece
 
 piece
Siemens 5TT3421 circuit breaker (2 offers) 
Siemens 5TT3421
Siemens
5TT3421
from £ 72.79*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (2 offers) 
:
Siemens
3UG4511-2BN20
from £ 74.70*
per piece
 
 piece
Siemens 3UG4511-1BP20 electrical relay Black, Grey (2 offers)
Siemens
3UG45111BP20
from £ 75.92*
per piece
 
 piece
Siemens 3UG4511-2BQ20 electrical relay Black, Grey (2 offers)
Siemens
3UG45112BQ20
from £ 76.34*
per piece
 
 piece
Siemens 7KT1655 electric meter (2 offers)
Siemens
7KT1655
from £ 83.83*
per piece
 
 piece
Voltage monitoring relay; phase sequence; 3UG; DPDT; 250VAC/3A (1 offer) 
:
Siemens
3UG4511-2BP20
from £ 83.87*
per piece
 
 piece
Siemens 7KT1653 electric meter (2 offers)
Siemens
7KT1653
from £ 84.10*
per piece
 
 piece
Siemens 7KT1651 electric meter (1 offer)
Siemens
7KT1651
from £ 84.24*
per piece
 
 piece
Siemens 3UG4512-1BR20 electrical relay Black, Grey (2 offers)
Siemens
3UG4512-1BR20
from £ 84.84*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (2 offers) 
:
Siemens
3UG4512-2BR20
from £ 85.12*
per piece
 
 piece
Siemens 7KM9300-0AM00-0AA0 circuit breaker (1 offer) 
Siemens 7KM9300-0AM00-0AA0
Siemens
7KM9300-0AM00-0AA0
from £ 86.70*
per piece
 
 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
 
 piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; DPDT (2 offers) 
:
Siemens
3RN2012-2BA30
from £ 92.64*
per piece
 
 piece
Siemens 5TT3400 electrical relay (1 offer) 
Siemens 5TT3400
Siemens
5TT3400
from £ 94.14*
per piece
 
 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 £ 94.72*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; 3UG; SPDT (2 offers) 
:
Siemens
3UG4621-1AA30
from £ 94.77*
per piece
 
 piece
Temperature monitoring relay; temperature; Temp.sensor: PTC (2 offers) 
:
Siemens
3RN2012-1BA30
from £ 95.30*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; 3UG; DPDT; IP20 (2 offers) 
:
Siemens
3UG4513-2BR20
from £ 95.45*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 3UG; DPDT (1 offer) 
:
Siemens
3UG4633-2AL30
from £ 95.77*
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.