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  Monitoring Relays (40 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 £ 22.11*
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; 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 £ 22.66*
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 £ 21.24*
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 £ 23.25*
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 £ 37.64*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 150÷270VAC (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...55°C Supply voltage: 150...270V AC Kind of output: NO Type of module: level monitoring relay Controlled parameter: c...
ZAMEL
PZM-40
from £ 65.10*
per piece
 
 piece
Level monitoring relay; conductive fluid level; 230VAC; IP20 (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...60°C IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x35x66mm Kit contents: SZH-03 probe Kind of output: ...
ZAMEL
PZM-10
from £ 28.87*
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 £ 24.24*
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 £ 62.03*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x17.5x66mm Number of terminals: 4 Type of module: power li...
ZAMEL
PMM-01
from £ 23.27*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP20 Supply voltage: 230V AC Body dimensions: 90x17.5x66mm Number of terminals: 4 Type of module: power li...
ZAMEL
PMM-02
from £ 24.64*
per piece
 
 piece
Power limiter; reactive power,active power; 230VAC; SPST-NO (1 offer) 
Manufacturer: ZAMEL Operating temperature: -20...60°C Kind of output 1: SPST-NO IP rating: IP65 Supply voltage: 230V AC Body dimensions: 69x56x27mm Number of terminals: 3 Related items: ASH-01 Type...
ZAMEL
PMH-01
from £ 21.54*
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 £ 2.78*
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 £ 3.23*
per piece
 
 piece
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