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  Monitoring Relays (1,270 items)

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Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: WEIDMÜLLER Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body...
Weidmüller
ACT20P-VMR-3PH-ILP-H
from £ 102.30*
per piece
Module: voltage monitoring relay; overvoltage,too low voltage (1 offer) 
Manufacturer: WEIDMÜLLER Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Le...
Weidmüller
ACT20P-VMR-1PH-H
from £ 96.26*
per piece
Siemens
7MH4138-6AA00-0BA0
from £ 532.51*
per piece
Siemens
7KT1682
from £ 163.92*
per piece
Siemens
7KT1681
from £ 126.31*
per piece
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7KT1673
from £ 155.29*
per piece
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7KT1672
from £ 120.27*
per piece
Siemens
7KT1671
from £ 147.54*
per piece
Siemens
7KT1670
from £ 111.36*
per piece
Siemens
7KT1668
from £ 174.08*
per piece
Siemens
7KT1667
from £ 139.81*
per piece
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7KT1666
from £ 184.61*
per piece
Siemens
7KT1665
from £ 147.15*
per piece
Siemens
7KT1664
from £ 183.09*
per piece
Siemens
7KT1663
from £ 128.17*
per piece
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