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  Monitoring Relays (317 items)

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Insulation monitoring relay; insulation resistance; 24÷240VAC (4 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...65°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: sp...
ABB
CM-IWN.1P
from £ 479.375*
per piece
 
 piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (4 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...65°C Kind of output 1: DPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: sc...
ABB
CM-IWN.1S
from £ 469.194*
per piece
 
 piece
Central processing unit; F&Home; 868MHz (1 offer) 
Manufacturer: F&F Frequency: 868MHz Type of module: central processing unit Manufacturer series: F&Home
F&F
RH-SERWER-DIN2
from £ 353.57*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Leads: screw terminals Type of module: voltage monitoring relay Controlled parameter: phase sequence;phase failure;too low voltage;phase asymmetry;...
F&F
SZR-279
from £ 352.34*
per piece
 
 piece
Central processing unit; F&Home; 868MHz (1 offer) 
Manufacturer: F&F Frequency: 868MHz Type of module: central processing unit Manufacturer series: F&Home
F&F
RH-SERWER-2.0-LR
from £ 303.50*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of display used: LCD Kind of output 1: SPDT Kind of output 2: SPDT Kind of output 3: SPDT IP rating: IP20 Su...
ABB
CM-TCN.012S
from £ 266.00*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of display used: LCD Kind of output 1: SPDT Kind of output 2: SPDT Kind of output 3: SPDT IP rating: IP20 Su...
ABB
CM-TCN.012P
from £ 262.65*
per piece
 
 piece
Insulation monitoring relay; insulation resistance; 0÷690VAC (2 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C IP rating: IP20 Supply voltage: 0...690V AC;0...1000V DC Leads: spring clamps Body dimensions: 45x104.8x85.6mm Ty...
ABB
CM-IVN.P
from £ 258.797*
per piece
 
 piece
ABB CM-IVN.S electrical relay (3 offers) 
The CM-IVN.S serves to extend the measuring range of the insulation monitoring relay CM-IWN.x for monitoring the insulation resistance up to 690 V AC and 1000 V DC in accordance with IEC 61557-8.
ABB
1SVR750669R9400
from £ 247.73*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of display used: LCD Kind of output 1: SPDT Kind of output 2: SPDT Kind of output 3: SPDT IP rating: IP20 Su...
ABB
CM-TCN.011P
from £ 244.64*
per piece
 
 piece
Voltage monitoring relay; for DIN rail mounting (1 offer) 
Manufacturer: F&F Mounting: for DIN rail mounting Leads: screw terminals Type of module: voltage monitoring relay Controlled parameter: phase sequence;phase failure;too low voltage;phase asymmetry;...
F&F
SZR-278
from £ 244.22*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (1 offer) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...60°C Kind of display used: LCD Kind of output 1: SPDT Kind of output 2: SPDT Kind of output 3: SPDT IP rating: IP20 Su...
ABB
CM-TCN.011S
from £ 242.17*
per piece
 
 piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (4 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -25...65°C Kind of output 1: SPDT Power supply: external IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: sp...
ABB
CM-IWS.1P
from £ 219.773*
per piece
 
 piece
ABB CM-IWS.1S electrical relay (4 offers) 
The CM-IWS.1S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems wi...
ABB
1SVR730660R0100
from £ 211.026*
per piece
 
 piece
Temperature monitoring relay; temperature; 24÷240VAC; 24÷240VDC (2 offers) 
Manufacturer: ABB Mounting: for DIN rail mounting Operating temperature: -40...60°C Kind of output 1: DPDT IP rating: IP20 Supply voltage: 24...240V AC;24...240V DC Leads: spring clamps Body dimens...
ABB
CM-TCS.12P
from £ 182.85*
per piece
 
 piece
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