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  Monitoring Relays (162 items)

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Module: wireless dimmer; 230VAC; IP20; Body dim: 48x43x20mm; 150W (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 £ 22.37*
per piece
 
 piece
Module: voltage monitoring relay; wall mount; SPST-NO; 4s; IP20 (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 £ 10.69*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,phase failure (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 £ 29.93*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,phase failure (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 £ 46.10*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,phase failure (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 £ 30.02*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,overvoltage (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 £ 46.02*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,overvoltage (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 £ 29.35*
per piece
 
 piece
Module: voltage monitoring relay; undervoltage,overvoltage (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 £ 22.34*
per piece
 
 piece
Module: voltage monitoring relay; SPST-NO; 250VAC/10A; 4s; IP20 (1 offer) 
Manufacturer: F&F 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: voltage monitoring relay...
F&F
CZF-2BR
from £ 17.20*
per piece
 
 piece
Module: voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure
F&F
CZF-B
from £ 11.58*
per piece
 
 piece
Module: voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure
F&F
CZF-2B
from £ 15.80*
per piece
 
 piece
Module: voltage monitoring relay; panel; SPST-NO; 250VAC/10A (1 offer) 
Manufacturer: F&F Mounting: panel Operating temperature: -25...40°C Kind of output 1: SPST-NO Power supply: from tested wiring system IP rating: IP20 Leads: lead 0,5m Type of module: voltage monito...
F&F
CZF
from £ 10.32*
per piece
 
 piece
Module: voltage monitoring relay; overvoltage; 150÷300VAC; NO (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: NO Power supply: from tested wiring system IP rating: IP20 Supply voltage: 150...300V AC Leads:...
F&F
CP-721-FPV
from £ 50.21*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-316
from £ 14.37*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: scre...
F&F
CZF-334-TRMS
from £ 38.46*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CZF-BT
from £ 16.42*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-BS-TRMS
from £ 17.49*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-BT-TRMS
from £ 19.63*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-316-TRMS
from £ 17.44*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CKF-BT
from £ 17.93*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-311-TRMS
from £ 17.59*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-310-TRMS
from £ 16.87*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-BR-TRMS
from £ 16.76*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-BR-TRMS
from £ 19.21*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-BT-TRMS
from £ 20.30*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CZF-310
from £ 14.68*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CZF-BR
from £ 14.96*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-317-TRMS
from £ 18.14*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CZF-333
from £ 20.70*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: scre...
F&F
CZF-331-TRMS
from £ 22.90*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CZF-332
from £ 18.58*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CKF-337
from £ 23.40*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-317
from £ 16.06*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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
CKF-BR
from £ 15.65*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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-723
from £ 79.28*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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 Max. operating current: 16A Type o...
F&F
PF-433-TRMS
from £ 55.67*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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 Max. operating current: 16A Type o...
F&F
PF-434-TRMS
from £ 54.42*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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 Max. operating current: 16A Type o...
F&F
PF-421-TRMS
from £ 41.50*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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: 230/230/400V AC Ma...
F&F
PF-452
from £ 68.96*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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-441
from £ 60.45*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; IP20 (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: NO / NC Kind of output 2: NO / NC Power supply: from tested wiring system IP rating: IP20 Leads...
F&F
CP-500
from £ 92.83*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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 Max. operating current: 16A Type o...
F&F
PF-432-TRMS
from £ 55.76*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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-451
from £ 61.59*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 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 Max. operating current: 16A Type o...
F&F
PF-435-TRMS
from £ 54.49*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-320-TRMS
from £ 29.99*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-B-TRMS
from £ 16.97*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-319-TRMS
from £ 35.25*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; DPDT (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...40°C Kind of output 1: DPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Type of mod...
F&F
CKF-318-TRMS
from £ 33.80*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 4s (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting 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 ...
F&F
CKF-TRMS
from £ 15.77*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; 4s (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting 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 ...
F&F
CZF-B-TRMS
from £ 16.88*
per piece
 
 piece
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