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  Monitoring Relays (1,265 items)

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Temperature monitoring relay; temperature; 100÷240VAC; SPDT (2 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 100...240V AC Leads: screw terminals Body dimensions: 22...
Omron
K8AK-TH11S 100-240VAC
from £ 99.42*
per piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; SPDT (4 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT IP rating: IP20 Supply voltage: 24V DC;24V AC Leads: screw terminals Body dimensions: 22...
Omron
K8AK-TH11S 24VAC/DC
from £ 99.50*
per piece
Temperature monitoring relay; temperature; 24VAC; 24VDC; IP20 (2 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: transistor IP rating: IP20 Supply voltage: 24V DC;24V AC Body dimensions: 17.5x90x90mm Kind o...
Omron
K8DT-TH1TD
from £ 99.56*
per piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; 3UG; SPDT (2 offers) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Supply voltage: 24V DC;24V AC Leads: screw terminals Type of module: current monitorin...
Siemens
3UG4622-1AA30
from £ 99.59*
per piece
Current monitoring relay; AC current; 24VAC; 24VDC; K8AK-AS; 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...
Omron
K8AK-AS3 24VAC/DC
from £ 99.84*
per piece
Voltage monitoring relay; phase sequence,phase failure; DPA (1 offer) 
Manufacturer: CARLO GAVAZZI 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 B...
Carlo Gavazzi
DPA03CM48
from £ 99.99*
per piece
Temperature monitoring relay; temperature; 100÷240VAC; IP20 (3 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: transistor IP rating: IP20 Supply voltage: 100...240V AC Body dimensions: 17.5x90x90mm Kind o...
Omron
K8DT-TH2TA
from £ 100.01*
per piece
ABB CM-SRS.21S electrical relay (3 offers) 
The CM-SRS.21S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and ...
ABB
1SVR730840R0400
from £ 100.06*
per piece
Temperature monitoring relay; temperature; 100÷240VAC; IP20 (3 offers) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: transistor IP rating: IP20 Supply voltage: 100...240V AC Body dimensions: 17.5x90x90mm Kind o...
Omron
K8DT-TH1TA
from £ 100.07*
per piece
Voltage monitoring relay; for DIN rail mounting; SPDT; 0.1÷30s (3 offers) 
Manufacturer: OMRON 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 dime...
Omron
K8DT-PZ2CN
from £ 100.18*
per piece
Voltage monitoring relay; phase sequence,phase failure; DPA (1 offer) 
Manufacturer: CARLO GAVAZZI Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals B...
Carlo Gavazzi
DPA01DM23
from £ 100.32*
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 ...
Siemens
3UG4631-2AW30
from £ 100.34*
per piece
Current monitoring relay; AC/DC current; 100÷240VAC; K8DT-AS (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: 100...240V AC Leads: screw termin...
Omron
K8DT-AS1CA
from £ 100.49*
per piece
Current monitoring relay; AC/DC current; 100÷240VAC; K8DT-AS (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: 100...240V AC Leads: screw termin...
Omron
K8DT-AS2CA
from £ 100.49*
per piece
Current monitoring relay; AC/DC current; 24VAC; 24VDC; K8DT-AS (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...
Omron
K8DT-AS2CD
from £ 100.49*
per piece
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