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  Monitoring Relays (159 items)

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Voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure
F&F
CZF-B
£ 18.90*
per piece
Voltage monitoring relay; phase failure (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay Controlled parameter: phase failure
F&F
CZF-2B
£ 25.60*
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
£ 60.43*
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
£ 30.32*
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
£ 40.95*
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
£ 43.14*
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
£ 43.06*
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
£ 55.83*
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
£ 16.90*
per piece
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