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  Monitoring Relays (1,266 items)

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Voltage monitoring relay; undervoltage,overvoltage; 100÷240VAC (3 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 100...240V...
3
Omron
K8AK-VW3 100-240VAC
from £ 95.55*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 150÷450VAC (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 150...450V AC Lead...
1
F&F
CP-721
from £ 50.61*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 220÷240VAC (4 offers) 
Manufacturer: FINDER Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 220...240V AC L...
4
Finder
70.11.8.230.2022
from £ 55.98*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 230VAC (1 offer) 
Manufacturer: NOVATEK ELECTRO Mounting: for DIN rail mounting Operating temperature: -35...55°C Kind of display used: LED Kind of output 1: SPDT Power supply: from tested wiring system IP rating: I...
1
NOVATEK ELECTRO
RN-111M
from £ 26.98*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 230VAC (1 offer) 
Attention! This product is sold up to the quantity available in stock. In case of larger orders, the amount will be replaced by the available quantity. Manufacturer: NOVATEK ELECTRO Mounting: plug-...
1
NOVATEK ELECTRO
RN-101M1 SCHUKO
from £ 26.84*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 230VAC (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 230V AC Leads: s...
1
ZAMEL
PNM-10
from £ 26.86*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24/230VAC (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -25...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 24V DC;24/230V ...
1
RELPOL
MR-EU1W1P
from £ 83.10*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (2 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V...
2
Omron
K8AK-VW3 24VAC/DC
from £ 96.51*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (3 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V AC Leads: screw termin...
3
Omron
K8AK-VS2 24VAC/DC
from £ 87.29*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (2 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V...
2
Omron
K8AK-VW2 24VAC/DC
from £ 96.77*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads...
2
Crouzet
84872120
from £ 104.681*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Body dimensions: 22.5x94x91mm ...
2
Siemens
3UG4631-2AW30
from £ 100.61*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (3 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads...
3
Crouzet
84872130
from £ 104.69*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 24÷240VAC (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -25...60°C IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Body dimensions: 22.5x94x91mm ...
2
Siemens
3UG4632-2AW30
from £ 100.61*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 3UG; DPDT (3 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: spring clamps Body dime...
3
Siemens
3UG4633-2AL30
from £ 97.41*
per piece
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