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  Monitoring Relays (43 items)

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Current monitoring relay (1 offer) 
Manufacturer: ELKO EP Type of module: current monitoring relay #Promotion: maintenance_202308
ELKO EP
PRI-51/2A
from £ 22.42*
per piece
 
 piece
Current monitoring relay; AC current,DC current; 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...
Crouzet
84871130
from £ 107.49*
per piece
 
 piece
Current monitoring relay; AC current,DC current; 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...
Crouzet
84871120
from £ 107.32*
per piece
 
 piece
Current monitoring relay; AC current; 120VAC; SPDT; 250VAC/5A (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 120V AC Leads: screw terminals ...
Crouzet
84871033
from £ 147.00*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; PRI-52; 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 £ 39.26*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; SPDT; 250VAC/5A (3 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals ...
Crouzet
84871034
from £ 129.029*
per piece
 
 piece
Current monitoring relay; AC current; 24VAC,110÷230VAC; 24VDC (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: relay Input 1 properties: built-in transformer with hole Ø5.5 mm Supply voltage: 24V DC;24V...
Crouzet
84871122
from £ 91.787*
per piece
 
 piece
Current monitoring relay; AC current; 24VDC; SPDT; 250VAC/5A (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC Leads: screw terminals B...
Crouzet
84871030
from £ 133.70*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (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 £ 23.14*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (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 £ 21.37*
per piece
 
 piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (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 £ 24.74*
per piece
 
 piece
Frequency monitoring relay; AC voltage frequency; 120÷277VAC (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT x2 Power supply: from tested wiring system IP rating: IP20 Supply voltage: 120...277V ...
Crouzet
84872501
from £ 165.78*
per piece
 
 piece
Frequency monitoring relay; AC voltage frequency; 161÷500VAC (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 £ 37.43*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; ENR (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: screw terminals Body ...
Crouzet
84870210
from £ 71.18*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; ENR (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: screw terminals Body ...
Crouzet
84870200
from £ 59.333*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; IP20 (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Body dimensions: 35x90x69mm Kind of output: SPDT x2...
Crouzet
84870700
from £ 69.736*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24÷240VAC; 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 £ 23.79*
per piece
 
 piece
Power factor monitoring relay; power factor cosφ; 230VAC; COS-2 (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 £ 61.26*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers #Promotion: maintenance_202308
ELKO EP
SHR-1-M
from £ 2.68*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers #Promotion: maintenance_202308
ELKO EP
SHR-1-N
from £ 3.26*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers #Promotion: maintenance_202308
ELKO EP
SHR-2
from £ 6.70*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers #Promotion: maintenance_202308
ELKO EP
SHR-3
from £ 33.41*
per piece
 
 piece
Sensor for fluid level controllers; 24VAC; R 1/2"; EN; max.2bar (2 offers) 
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: CROUZET Mounting: R 1/2" Operat...
Crouzet
79696044
from £ 71.45*
per piece
 
 piece
Speed monitoring relay; speed, stopping, cycles time; SPDT (4 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of input 1: voltage;contact;NPN;PNP Kind of output 1: SPDT Supply voltage: 24...240V AC;24...240V DC Cou...
Crouzet
84874320
from £ 127.545*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (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 £ 25.85*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; DPDT; 0.1÷10s (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873026
from £ 145.836*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-54
from £ 36.76*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; HRN-54; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-54N
from £ 34.32*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; M; SPDT; IP20 (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873024
from £ 104.39*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; M; SPDT; IP20 (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873023
from £ 92.11*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; 12VDC (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 12V DC Leads: ...
Crouzet
84872140
from £ 93.39*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; SPDT (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 110...260V AC;...
Crouzet
84872142
from £ 90.549*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; SPDT (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 24...48V DC;24...
Crouzet
84872141
from £ 91.46*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; SPDT x2 (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT x2 Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body...
Crouzet
84873220
from £ 124.23*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (2 offers) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-55
from £ 23.46*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-55N
from £ 23.21*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP10 Leads: screw terminals Type of...
ELKO EP
HRN-57N
from £ 32.51*
per piece
 
 piece
Voltage monitoring relay; phase sequence,phase failure; IP20 (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT x2 Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body...
Crouzet
84873021
from £ 78.47*
per piece
 
 piece
Voltage monitoring relay; phase sequence,phase failure; M; SPDT (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873022
from £ 76.072*
per piece
 
 piece
Voltage monitoring relay; phase sequence,phase failure; SPDT (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873029
from £ 67.833*
per piece
 
 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...
Crouzet
84872120
from £ 104.681*
per piece
 
 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...
Crouzet
84872130
from £ 105.76*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; M; SPDT (2 offers) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
Crouzet
84873222
from £ 112.48*
per piece
 
 piece
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