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  Monitoring Relays (1,267 items)

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ABB CM-IVN.S electrical relay (2 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 £ 251.43*
per piece
Insulation monitoring relay; insulation resistance; 0÷690VAC (1 offer) 
:
ABB
CM-IVN.P
from £ 262.30*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (4 offers) 
:
ABB
CM-IWS.1P
from £ 223.59*
per piece
ABB CM-IWS.2S electrical relay (2 offers) 
The CM-IWS.2S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems with a voltage up to 400 V AC. The CM-IWS.2 can be configured to the requirements of ...
ABB
1SVR730670R0200
from £ 163.10*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (2 offers) 
:
Eaton
EMR6-R400-A-2
from £ 601.06*
per piece
ABB CM-IWS.2P electrical relay Black, Grey (4 offers) 
CM-IWS.2P Insulation monitoring relay 1c/o, 1-100kOhm, 24-240VAC/DC.
ABB
1SVR740670R0200
from £ 175.56*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (3 offers) 
:
ABB
CM-IWN.1P
from £ 489.40*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (2 offers) 
:
Eaton
EMR6-R250-A-1
from £ 289.26*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (3 offers) 
:
ABB
CM-IWN.1S
from £ 474.17*
per 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 £ 216.41*
per piece
Insulation monitoring relay; insulation resistance; 24÷240VAC (1 offer) 
:
Eaton
EMR6-R400-A-1
from £ 231.05*
per piece
Integration module; 12VDC; F&Home; IP00; 868MHz; Analog in: 15 (1 offer) 
:
F&F
RH-AC15S4R4-LR
from £ 180.17*
per piece
Integration module; 12VDC; F&Home; IP00; 868MHz; Analog in: 15 (1 offer) 
:
F&F
RH-AC15S4R4
from £ 169.70*
per piece
Integration module; 230VAC; F&Home; IP20; 868MHz (1 offer) 
:
F&F
RH-EQ3HUB
from £ 90.93*
per piece
ABB CM-KH-3 (1 offer) 
Compact support CM-KH-3 for screw in bar electrodes with M4 winding
ABB
1SVR450056R6000
from £ 51.82*
per piece
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