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  Mains monitoring relays  (18,027 offers of 2,479,737 product items)

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Voltage monitoring relay; phase sequence; 3UG; SPDT; 250VAC/3A (1 offer) 
Manufacturer: SIEMENS Mounting: for DIN rail mounting Operating temperature: -20...65°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: spring clamps Body dime...
Siemens
3UG4511-2AN20
from € 72.17*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (1 offer) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V...
Omron
K8AK-VW3 24VAC/DC
from € 108.26*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 100÷240VAC (1 offer) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 100...240V...
Omron
K8AK-VW3 100-240VAC
from € 108.04*
per piece
 
 piece
Schneider Electric SR2D201BD electrical relay Multicolour (1 offer)
Schneider Electric
SR2D201BD
from € 180.90*
per piece
 
 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 € 26.66*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (1 offer) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Kind of output 2: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V...
Omron
K8AK-VW2 24VAC/DC
from € 107.79*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; AZF; IP20 (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -15...45°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Output voltage: 230V AC Max. op...
POLLIN
AZF-4
from € 64.57*
per piece
 
 piece
Schneider Electric SR2B201BD electrical relay White (1 offer)
Schneider Electric
SR2B201BD
from € 241.71*
per piece
 
 piece
Voltage monitoring relay; undervoltage,phase failure; IP20 (1 offer) 
Manufacturer: ZAMEL Mounting: for DIN rail mounting Operating temperature: -20...45°C Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dimensions: 35.4x90x66mm Ou...
ZAMEL
APM-20
from € 65.29*
per piece
 
 piece
Siemens 5TT3415 electrical relay (1 offer) 
Siemens 5TT3415
Siemens
5TT3415
from € 122.74*
per piece
 
 piece
Programmable relay; IN: 12; OUT: 8; Millenium 3 Essential; IP20 (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...55°C Number of inputs: 12 Kind of input 1: digital Number of outputs: 8 Kind of output 1: relay IP rating: IP20 Su...
Crouzet
88970055
from € 269.24*
per piece
 
 piece
Voltage monitoring relay; undervoltage,overvoltage; 24VAC; SPDT (1 offer) 
Manufacturer: OMRON Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24V AC Leads: screw termin...
Omron
K8AK-VS2 24VAC/DC
from € 98.25*
per piece
 
 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 € 55.13*
per piece
 
 piece
Programmable relay; 250VAC/10A; IN: 8; Analog in: 2; OUT: 4; NEED (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Number of inputs: 8 Kind of input 1: digital Number of outputs: 4 Kind of output 1: relay Electrical connection: screw terminals IP rating: IP20...
RELPOL
NEED-24DC-22-08-4R-D
from € 183.59*
per piece
 
 piece
Programmable relay; IN: 16; Analog in: 0; OUT: 10; OUT 1: relay; IP20 (1 offer) 
Manufacturer: CROUZET Mounting: for DIN rail mounting Operating temperature: -20...55°C Number of inputs: 16 Kind of input 1: digital Number of outputs: 10 Kind of output 1: relay IP rating: IP20 S...
Crouzet
88974164
from € 296.20*
per piece
 
 piece
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