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  Monitoring Relays (30 items)

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Module: current monitoring relay (1 offer) 
Manufacturer: ELKO EP Type of module: current monitoring relay
ELKO EP
PRI-51/2A
from £ 21.31*
per piece
 
 piece
Module: current monitoring relay; AC current; 230VAC; SPDT; IP20 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals ...
ELKO EP
PRI-52
from £ 37.24*
per piece
 
 piece
Module: current monitoring relay; AC current; 24÷240VAC; 24VDC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/16A
from £ 21.02*
per piece
 
 piece
Module: current monitoring relay; AC current; 24÷240VAC; 24VDC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/1A
from £ 21.81*
per piece
 
 piece
Module: current monitoring relay; AC current; 24÷240VAC; 24VDC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/5A
from £ 20.05*
per piece
 
 piece
Module: frequency monitoring relay; AC voltage frequency; IP20 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT x2 Power supply: from tested wiring system IP rating: IP20 Supply voltage: 161...500V ...
ELKO EP
HRF-10
from £ 34.96*
per piece
 
 piece
Module: level monitoring relay; conductive fluid level; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads...
ELKO EP
HRH-5/UNI
from £ 22.47*
per piece
 
 piece
Module: power factor monitoring relay; power factor cosφ; IP20 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT x2 Current rating: 0.1...16A IP rating: IP20 Supply voltage: 230V AC Leads: screw term...
ELKO EP
COS-2/230V
from £ 58.49*
per piece
 
 piece
Module: temperature monitoring relay; temperature; 24VAC,230VAC (1 offer) 
Manufacturer: DOBRY CZAS Mounting: for DIN rail mounting Operating temperature: -20...45°C Kind of output 1: SPST Power supply: from tested wiring system IP rating: IP20 Supply voltage: 24V DC;230V...
DOBRY CZAS
MMR17-RTA-M230-108
from £ 21.09*
per piece
 
 piece
Module: temperature monitoring relay; temperature; 24÷240VAC (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: DPDT IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: screw terminals Body ...
ELKO EP
TER-7
from £ 22.83*
per piece
 
 piece
Module: voltage monitoring relay; 12/24VAC,230VAC; SPST; IP20 (1 offer) 
Manufacturer: DOBRY CZAS Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPST Power supply: from tested wiring system IP rating: IP20 Supply voltage: 12V DC;24V ...
DOBRY CZAS
MMR17-V1A-U230-108
from £ 22.84*
per piece
 
 piece
Module: voltage monitoring relay; 18÷265VAC; 22÷350VDC; IP20 (1 offer) 
Manufacturer: APAR Mounting: for DIN rail mounting Operating temperature: 0...50°C IP rating: IP20 Supply voltage: 18...265V AC;22...350V DC Leads: screw terminals Type of module: voltage monitorin...
APAR
AR570
from £ 154.67*
per piece
 
 piece
Module: voltage monitoring relay; 18÷265VAC; 22÷350VDC; IP20 (1 offer) 
Manufacturer: APAR Mounting: for DIN rail mounting Operating temperature: 0...50°C IP rating: IP20 Supply voltage: 18...265V AC;22...350V DC Leads: screw terminals Type of module: voltage monitorin...
APAR
AR570/RS485/RJ45
from £ 192.87*
per piece
 
 piece
Module: voltage monitoring relay; 18÷265VAC; 22÷350VDC; IP20 (1 offer) 
Manufacturer: APAR Mounting: for DIN rail mounting Operating temperature: 0...50°C IP rating: IP20 Supply voltage: 18...265V AC;22...350V DC Leads: screw terminals Type of module: voltage monitorin...
APAR
AR570/RS485
from £ 169.13*
per piece
 
 piece
Module: voltage monitoring relay; 18÷265VAC; 22÷350VDC; IP20 (1 offer) 
Manufacturer: APAR Mounting: for DIN rail mounting Operating temperature: 0...50°C IP rating: IP20 Supply voltage: 18...265V AC;22...350V DC Leads: screw terminals Type of module: voltage monitorin...
APAR
AR570/RJ45
from £ 178.80*
per piece
 
 piece
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