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  Monitoring Relays (32 items)

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Current monitoring relay; AC current,DC current; 12÷400VAC (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -25...55°C Kind of output 1: DPDT Power supply: additional transformer IP rating: IP20 Supply voltage: 12...400V AC Leads...
RELPOL
MR-GI1M2P-TR2
from £ 111.49*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; MR-EI; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -25...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
MR-EI1W1P
from £ 89.49*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A2-A230
from £ 38.81*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A05-A230
from £ 38.05*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A5-A230
from £ 38.61*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A8-A230
from £ 39.00*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A1-A230
from £ 40.37*
per piece
 
 piece
Current monitoring relay; AC current; 230VAC; RPN-1A; SPDT; IP20 (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals B...
RELPOL
RPN-1A16-A230
from £ 39.05*
per piece
 
 piece
Current monitoring relay; AC/DC current; 24÷240VAC; 24VDC; IP40 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP40 Supply voltage: 24V DC;24...240V AC Body dimensions: ...
Elco
CRE-5
from £ 53.64*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; IP40 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP40 Supply voltage: 230V AC Body dimensions: 98x36x64mm K...
Elco
LVE230
from £ 48.49*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 24VAC; IP40 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP40 Supply voltage: 24V AC Body dimensions: 98x36x64mm Ki...
Elco
LVE24
from £ 48.61*
per piece
 
 piece
Monitoring relay; motor temperature; 230VAC; Temp.sensor: PTC (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Kind of output 1: SPDT Supply voltage: 230V AC Kind of temperature sensor: PTC AC contacts rating @R: 5A / 250V AC Type of module: monitoring re...
RELPOL
MR-ET1P
from £ 87.45*
per piece
 
 piece
Temperature monitoring relay; temperature; 230VAC; RPN-1T; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 230V AC Leads: screw terminals Body dimensions: 17.5x90...
RELPOL
RPN-1TMP-A230
from £ 30.14*
per piece
 
 piece
Voltage monitoring relay; 230VAC; for DIN rail mounting; MR-EU (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: 230V AC Leads: ...
RELPOL
MR-EU31UW1P
from £ 87.83*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; MR-EU; SPDT (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 Leads: screw terminals Body dim...
RELPOL
MR-EU3M1P
from £ 68.83*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; RPN-1V; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
RELPOL
RPN-1VFS-A400
from £ 20.75*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; RPN-1V; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
RELPOL
RPN-1VFT-A400
from £ 22.97*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting; RPN-1V; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
RELPOL
RPN-1VFR-A400
from £ 21.51*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; 230VAC (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Supply voltage: 230V AC Body dimensions: 98x17.5x64mm...
Elco
EVM231
from £ 49.78*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; IP20 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVM230
from £ 52.41*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; IP20 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVM400N
from £ 51.11*
per piece
 
 piece
Voltage monitoring relay; overvoltage,too low voltage; IP20 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVM400
from £ 49.51*
per piece
 
 piece
Voltage monitoring relay; overvoltage; 230VAC; IP20; 8A (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Supply voltage: 230V AC Body dimensions: 98x17.5x64mm...
Elco
EVO231
from £ 48.28*
per piece
 
 piece
Voltage monitoring relay; overvoltage; for DIN rail mounting (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVO400
from £ 48.82*
per piece
 
 piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
RELPOL
RPN-1VF-A400
from £ 19.87*
per piece
 
 piece
Voltage monitoring relay; phase error,phase sequence; IP40 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...70°C Electrical connection: screw terminals IP rating: IP40 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
SFR2/5
from £ 30.61*
per piece
 
 piece
Voltage monitoring relay; phase error,phase sequence; IP40 (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...70°C Electrical connection: screw terminals IP rating: IP40 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
SFR2/6
from £ 44.80*
per piece
 
 piece
Voltage monitoring relay; too low voltage; 230VAC; IP20; 8A (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Supply voltage: 230V AC Body dimensions: 98x17.5x64mm...
Elco
EVU231
from £ 49.89*
per piece
 
 piece
Voltage monitoring relay; too low voltage; 230VAC; IP20; 8A (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Supply voltage: 230V AC Body dimensions: 98x17.5x64mm...
Elco
EVU231F
from £ 26.55*
per piece
 
 piece
Voltage monitoring relay; too low voltage; IP20; 98x17.5x64mm (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVU400NF
from £ 28.41*
per piece
 
 piece
Voltage monitoring relay; too low voltage; IP20; 98x17.5x64mm (1 offer) 
Manufacturer: ELCO SRL Mounting: for DIN rail mounting Operating temperature: -20...50°C Electrical connection: screw terminals IP rating: IP20 Body dimensions: 98x17.5x64mm Kind of output: relay I...
Elco
EVU400
from £ 49.87*
per piece
 
 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 ...
RELPOL
MR-EU1W1P
from £ 87.38*
per piece
 
 piece
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