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  Monitoring relays  (1,029 offers of 5,368,636 product items)

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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 £ 21.60*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, SPDT, DIN Rail / 2033903 (2 offers) 
The Siemens digital monitoring relay used for current monitoring relay with digital setting. It has LCD display and spring type of terminal type. It using snap-on mounting type with any position. I...
Siemens
3UG4621-2AW30
from £ 102.77*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: MIKROBEST Mounting: for DIN rail mounting Operating temperature: -15...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: from tested wiring system Leads: screw terminal...
MIKROBEST
BZF-4K
from £ 15.28*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase / 2751760 (1 offer) 
Monitoring Application = Current Electrical Phase = 1 Voltage Sensitivity = Overvoltage
Siemens
7SR10031MA202DA1
£ 1,758.05*
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 £ 16.89*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT / 2131300 (3 offers) 
The Siemens 3UG series is a Analog monitoring relay. The monitoring function is of phase monitoring. Withh 1 change-over contacts spring type terminal connection system.It has a protection class ra...
Siemens
3UG4511-2AP20
from £ 63.81*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, SPDT / 2131311 (2 offers) 
The Siemens 3UG series is a digital monitoring relay. The monitoring function is of phase monitoring. Withh 1 change-over contacts screw terminal connection system.It has a protection class rating ...
Siemens
3UG4622-1AA30
from £ 94.31*
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 £ 22.07*
per piece
 
 piece
Siemens Current Monitoring Relay, 2 Phase, SPDT / 2131219 (1 offer) 
The Siemens 3RR2141-1AW30 is a Monitoring relay, can be mounted to Contactor 3RT2.2-phase Supply 24-240 V AC/DC 1 change-over contact Monitoring for Current overshoot and undershoot Phase failure.C...
Siemens
3RR2141-1AW30
£ 95.803*
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 £ 21.31*
per piece
 
 piece
Siemens Current Monitoring Relay, 1 Phase, SPDT / 2131310 (2 offers) 
The Siemens 3UG series is a digital monitoring relay. The monitoring function is of phase monitoring. Withh 1 change-over contacts screw terminal connection system.It has a protection class rating ...
Siemens
3UG4621-1AA30
from £ 88.97*
per piece
 
 piece
Siemens Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail / 2033945 (2 offers) 
The Siemens analog monitoring relay used for network monitoring relay with analog setting. It used spring type of terminal and it has LED display. It use snap-on mounting type.Ambient temperature i...
Siemens
3UG4512-2AR20
from £ 67.79*
per piece
 
 piece
Module: voltage monitoring relay; for DIN rail mounting; SPDT (1 offer) 
Manufacturer: LOVATO ELECTRIC Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 at terminal side Leads...
LOVATO Electric
PMV70A240
from £ 129.85*
per piece
 
 piece
Siemens Current Monitoring Relay, 2 Phase, SPDT / 2131221 (1 offer) 
The Siemens 3RR2142-1AW30 is a Monitoring relay, can be mounted to Contactor 3RT2.2-phase Supply 24-240 V AC/DC 1 change-over contact Monitoring for Current overshoot and undershoot Phase failure.C...
Siemens
3RR2142-1AW30
£ 110.89*
per piece
 
 piece
Siemens Current Monitoring Relay, 3 Phase, SPDT / 2131224 (1 offer) 
The Siemens 3RR2242-1FW30 is a Monitoring relay, can be mounted to Contactor 3RT2.2-phase Supply 24-240 V AC/DC 1 change-over contact Monitoring for Current overshoot and undershoot Phase failure.C...
Siemens
3RR2242-1FW30
£ 201.446*
per piece
 
 piece
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