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  Monitoring Relays (317 items)

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Wireless dimmer; 230VAC; Additional functions: remote control (1 offer) 
Manufacturer: F&F Operating temperature: 0...45°C IP rating: IP20 Supply voltage: 230V AC Body dimensions: 48x43x20mm Maximum power: 150W Range: 30m Operating frequency: 2.4GHz Type of module: wire...
F&F
RB-D1S2
from £ 25.58*
per piece
Voltage monitoring relay; wall mount; CKF; SPST-NO; 250VAC/10A (1 offer) 
Manufacturer: F&F Mounting: wall mount Operating temperature: -25...40°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of module: vol...
F&F
CKF
from £ 11.57*
per piece
Voltage monitoring relay; undervoltage,phase failure; PF; IP20 (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Output voltage: 230V AC Max. opera...
F&F
PF-431
from £ 50.98*
per piece
Voltage monitoring relay; undervoltage,phase failure; CP; NO (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: NO Kind of output 2: NO Kind of output 3: NO Power supply: from tested wiring system IP rating:...
F&F
CP-733
from £ 33.48*
per piece
Voltage monitoring relay; undervoltage,phase failure; CP; IP20 (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: SPST-NO Kind of output 2: SPST-NO Kind of output 3: SPST-NO Power supply: from tested wiring sy...
F&F
CP-734
from £ 34.38*
per piece
Voltage monitoring relay; undervoltage,overvoltage; CP; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CP-730
from £ 31.64*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 50÷450VAC (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 50...450V AC Leads...
F&F
CP-709
from £ 24.60*
per piece
Voltage monitoring relay; undervoltage,overvoltage; 150÷450VAC (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Supply voltage: 150...450V AC Lead...
F&F
CP-721
from £ 49.77*
per piece
Voltage monitoring relay; phase sequence,phase failure; CM-PFE (1 offer) 
Manufacturer: ABB 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 dimens...
ABB
1SVR550826R9100
from £ 55.42*
per piece
Voltage monitoring relay; phase sequence,phase failure; CM-PFD (1 offer) 
Manufacturer: ABB 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 dimens...
ABB
1SVR590982R0100
from £ 32.01*
per piece
Voltage monitoring relay; phase failure; for DIN rail mounting (3 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
ABB
1SVR550882R9500
from £ 39.03*
per piece
Voltage monitoring relay; phase failure; 220÷240VAC; CM-PBE (2 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Supply voltage: 220...240V AC L...
ABB
1SVR550881R9400
from £ 32.28*
per piece
Voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure #Promotion: maintenance_202308
F&F
CZF-B
from £ 12.76*
per piece
Voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure #Promotion: maintenance_202308
F&F
CZF-2B
from £ 17.10*
per piece
Voltage monitoring relay; phase asymmetry; CM-PAS; SPDT; 0÷30s (2 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: spring clamps Body dimensio...
ABB
CM-PAS.41P
from £ 119.84*
per piece
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