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  Monitoring Relays (1,268 items)

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Voltage monitoring relay; for DIN rail mounting; CZF; SPDT; 4s (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 £ 21.80*
per piece
Receiver; 230VAC; flush mount; RS; IP20; 868MHz; OUT: NO; 5A (1 offer) 
Manufacturer: F&F Mounting: flush mount Operating temperature: -25...50°C IP rating: IP20 Supply voltage: 230V AC Frequency: 868MHz Maximum current: 5A Output configuration: NO Operating modes: bis...
F&F
RS-407B
from £ 22.08*
per piece
Receiver; 230VAC; flush mount; RS; IP20; 868MHz; OUT: NO; 5A (1 offer) 
Manufacturer: F&F Mounting: flush mount Operating temperature: -25...50°C IP rating: IP20 Supply voltage: 230V AC Frequency: 868MHz Maximum current: 5A Output configuration: NO Operating modes: mon...
F&F
RS-407M
from £ 22.33*
per piece
Temperature monitoring relay; temperature; 24VAC,230VAC; 24VDC (1 offer) 
Manufacturer: DOBRY CZAS Mounting: for DIN rail mounting Operating temperature: -20...45°C Kind of output 1: SPST Power supply: from tested wiring system IP rating: IP20 Supply voltage: 24V DC;230V...
DOBRY CZAS
MMR17-RTA-M230-108
from £ 22.33*
per piece
Electrode; IP68; Mat: stainless steel; Ø4x1000mm (1 offer) 
Manufacturer: CARLO GAVAZZI Operating temperature: -20...90°C IP rating: IP68 Body material: stainless steel Related items: CLH3;CLH5 Type of control accessories: electrode Electrode dimensions: Ø4...
Carlo Gavazzi
CLE1X
from £ 22.60*
per piece
Sensor for fluid level controllers; Mat: stainless steel (3 offers) 
Manufacturer: OMRON Body material: stainless steel Type of control accessories: sensor for fluid level controllers Electrode dimensions: Ø6x1000mm
Omron
F03-01 SUS316
from £ 22.78*
per piece
Voltage monitoring relay; for DIN rail mounting; MKF; SPDT (1 offer) 
Manufacturer: POLLIN Mounting: for DIN rail mounting Operating temperature: -20...40°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP40;IP20 at terminal side Leads: sc...
POLLIN
MKF-1PK
from £ 22.78*
per piece
Current monitoring relay; AC current; 24÷240VAC; 24VDC; PRI-51 (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24V DC;24...240V AC Leads: scre...
ELKO EP
PRI-51/16A
from £ 22.80*
per piece
Electrode holder; Thread: G 3/8"; 6mm (2 offers) 
Manufacturer: FINDER Operating temperature: max. 100°C Max. wire diameter: 6mm Thread: G 3/8" Related items: 072.500 Type of control accessories: electrode holder
Finder
072.51
from £ 22.80*
per piece
Level monitoring relay; conductive fluid level; 230VAC; NO / NC (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Operating temperature: -25...50°C Kind of output 1: NO / NC IP rating: IP20 Supply voltage: 230V AC Kit contents: monitoring relay;PZ probe Type of...
F&F
PZ-828
from £ 22.95*
per piece
Voltage monitoring relay (1 offer) 
Manufacturer: F&F Type of module: voltage monitoring relay
F&F
CP-710
from £ 22.99*
per piece
Voltage monitoring relay; for DIN rail mounting; RPN-1V; SPDT (1 offer) 
Manufacturer: RELPOL Mounting: for DIN rail mounting Operating temperature: -20...60°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body dim...
RELPOL
RPN-1VFT-A400
from £ 23.00*
per piece
Electrode; Thread: M6; Mat: stainless steel; 960mm (1 offer) 
Manufacturer: LOVATO ELECTRIC Operating temperature: max. 70°C Body material: stainless steel Length: 0.96m Thread: M6 Related items: 31SCM04;31SCM100;31SCM50 Type of control accessories: electrode
LOVATO Electric
31ASTA960MM6
from £ 23.14*
per piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-55N
from £ 23.25*
per piece
Voltage monitoring relay; phase asymmetry,phase failure; SPDT (1 offer) 
Manufacturer: ELKO EP Mounting: for DIN rail mounting Operating temperature: -20...55°C Kind of output 1: SPDT Power supply: from tested wiring system IP rating: IP20 Leads: screw terminals Body di...
ELKO EP
HRN-55
from £ 23.26*
per piece
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