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  Monitoring Relays (35 items)

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Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Max. ope...
POLLIN
SZR-2
from £ 105.71*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; IP20 (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Max. ...
POLLIN
SZR-1
from £ 91.98*
per piece
 
 piece
Module: voltage monitoring relay; phase failure; SPDT; IP20 (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT IP rating: IP20 Leads: screw terminals Type of module: voltage monitoring relay Control...
POLLIN
MKF-2PR
from £ 22.54*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; MKF (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP40;IP20 at terminal side Leads: sc...
POLLIN
MKF-2PK
from £ 31.29*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; MKF (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP40;IP20 at terminal side Leads: sc...
POLLIN
MKF-2P
from £ 26.29*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; MKF (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP40;IP20 at terminal side Leads: sc...
POLLIN
MKF-1PK
from £ 19.12*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; MKF (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP40;IP20 at terminal side Leads: sc...
POLLIN
MKF-12PK
from £ 27.28*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,phase failure (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -15...45°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Output voltage: 230V AC Max. op...
POLLIN
AZF-4
from £ 53.37*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,phase failure (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -15...45°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Output voltage: 230V AC Max. op...
POLLIN
AZF-3
from £ 43.95*
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 £ 22.65*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-3
from £ 31.49*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-2
from £ 6.17*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-1-N
from £ 2.97*
per piece
 
 piece
Sensor for fluid level controllers (1 offer) 
Manufacturer: ELKO EP Type of control accessories: sensor for fluid level controllers
ELKO EP
SHR-1-M
from £ 2.62*
per piece
 
 piece
Module: current monitoring relay; AC current; 230VAC; PRI-52 (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 £ 36.85*
per piece
 
 piece
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