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  Mains monitoring relays  (17,851 offers of 2,470,929 product items)

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Time lag relay Step-back delayed (2 offers) 
Time lag relay, Dimensions W x H x D: 22.5 x 78 x 95 mm, Operating temperature: -20...+60 °C, Time-setting range: 0.6 s...160 s, Operating voltage: 24 VDC, 24...240 VAC, Assembly type: DIN-rail, Ou...
Crouzet
TK2R1
from € 115.48*
per piece
 
 piece
Finder
80.41.0.240.0000
from € 33.47*
per piece
 
 piece
Time lag relay Syr-Line Clock generator, asymmetrical, 1 change-over (CO) (3 offers) 
Time lag relay, Dimensions W x H x D: 17.5 x 90 x 67.8 mm, Operating temperature: -20...+60 °C, Time-setting range: 0.1 s...240 h, Operating voltage: 12…240 VAC/DC, Output contact: 1 change-over (C...
Crouzet
BL1R16MV1
from € 73.03*
per piece
 
 piece
Phoenix Contact 2967992 electrical relay (2 offers) 
Plug-in miniature solid-state relay, input solid-state relay, 1 N/O contact, input voltage: 5 V DC
Phoenix Contact
2967992
from € 17.639*
per piece
 
 pieces
Time lag relay Syr-Line Delayed operation, 1 change-over (CO) (3 offers) 
Time lag relay, Dimensions W x H x D: 17.5 x 90 x 67.8 mm, Operating temperature: -20...+60 °C, Time-setting range: 0.1 s...240 h, Operating voltage: 12…240 VAC/DC, Output contact: 1 change-over (C...
Crouzet
BA1R16MV1
from € 53.61*
per piece
 
 piece
Time lag relay Syr-Line Delayed operation, 1 change-over (CO) (2 offers) 
Time lag relay, Dimensions W x H x D: 17.5 x 90 x 67.8 mm, Operating temperature: -20...+60 °C, Time-setting range: 0.5 s...240 h, Operating voltage: 12…240 VAC/DC, Output contact: 1 change-over (C...
Crouzet
BM1R16MV1
from € 65.94*
per piece
 
 piece
Time lag relay Syr-Line Delayed operation, 2 change-over (CO) (2 offers) 
Time lag relay, Dimensions W x H x D: 17.5 x 90 x 67.8 mm, Operating temperature: -20...+60 °C, Time-setting range: 0.5 s...240 h, Operating voltage: 12…240 VAC/DC, Output contact: 2 change-over (C...
Crouzet
BM2R08MV1
from € 82.66*
per piece
 
 piece
Voltage monitoring relay (1 offer) 
Voltage monitoring relay, Dimensions W x H x D: 22.5 x 90 x 103 mm, Frequency range: 48...63 Hz, Operating temperature: -25...+50 °C, Operating voltage: 3 x 230...400 VAC, Rated output: 250 VAC/5 A...
Selectron
EMR DU21D1
from € 176.06*
per piece
 
 piece
Voltage monitoring relay (1 offer) 
Voltage monitoring relay, Dimensions W x H x D: 38 x 51 x 67 mm, Operating temperature: -25...+55 °C, Voltage measurement range, AC: 280...520 V, Rated output: 250 VAC / 5 A, Tripping delay: 0.1 - ...
Selectron
EMR SU31D1
from € 197.89*
per piece
 
 piece
Voltage monitoring relay (2 offers) 
Voltage monitoring relay, Dimensions W x H x D: 17.5 x 87 x 65 mm, Operating temperature: -25...+55 °C, Operating voltage: 24 VAC/DC, 230 VAC, Switching capacity: 5 A @ 250 VAC, Switching hysteresi...
Tele
E1UU230V01
from € 73.66*
per piece
 
 piece
Voltage monitoring relay, 10 A @ 250 VAC (3 offers) 
Voltage monitoring relay, Frequency range: 50...60 Hz, Operating temperature: -20...+60 °C, Rated output: 250 VAC/10 A, Voltage measurement range, AC: 170...270 VAC, Operating voltage type: Single ...
Finder
70.11.8.230.2022
from € 62.74*
per piece
 
 piece
Phoenix Contact 2980225 electrical relay Grey (2 offers) 
6.2 mm PLC basic terminal block with screw connection, without relay or solid-state relay, for mounting on DIN rail NS 35/7,5, 1 PDT, input voltage 5 V DC
Phoenix Contact
2980225
from € 6.90*
per piece
 
 piece
Voltage monitoring relay, 6 A @ 250 VAC (3 offers) 
Voltage monitoring relay, Frequency range: 50...60 Hz, Operating temperature: -20...+60 °C, Rated output: 250 VAC/6 A, Voltage measurement range, AC: 208...480 VAC, Operating voltage type: 3-phase,...
Finder
70.61.8.400.0000
from € 43.30*
per piece
 
 piece
Phoenix Contact 2980458 electrical relay Grey (2 offers) 
6.2 mm PLC basic terminal block with protection against interference currents and interference voltages on the control side, with screw connection, without relay or solid-state relay, for mounting ...
Phoenix Contact
2980458
from € 10.06*
per piece
 
 piece
Voltage monitoring relay, 8 A @ 250 VAC (1 offer) 
Voltage monitoring relay, Frequency range: 50...60 Hz, Operating temperature: -20...+60 °C, Rated output: 250 VAC/8 A, Voltage measurement range, AC: 300...480 VAC, Operating voltage type: 3-phase,...
Finder
70.42.8.400.2032
from € 103.96*
per piece
 
 piece
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