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  Monitoring relays  (1,017 offers of 5,353,906 product items)

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Omron Voltage Monitoring Relay, 1 Phase, SPDT, 20 → 200V ac/dc / 8193305 (3 offers) 
Omron K8AK-VS/VW Monitoring Relays. Manual resetting and automatically resetting supported by one relay Pre-alarm monitoring mode Compact housings Resistant to high-frequency noise Compliance with ...
Omron
K8AK-VW3 100-240VAC
from £ 91.46*
per piece
 
 piece
ABB Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 7757983 (3 offers) 
CM-SRS Current Monitoring, Single Phase AC/DC. ,. Depending on the configuration, the current monitoring relays CM-SRS.1 and CM-SRS.2 can be used for over- or undercurrent monitoring in single-phas...
ABB
1SVR730840R0500 CM-SRS.22S
from £ 90.08*
per piece
 
 piece
ABB Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 7758037 (3 offers) 
CM-SRS Current Monitoring, Single Phase AC/DC. ,. Depending on the configuration, the current monitoring relays CM-SRS.1 and CM-SRS.2 can be used for over- or undercurrent monitoring in single-phas...
ABB
1SVR740840R0400 CM-SRS.21P
from £ 106.35*
per piece
 
 piece
ABB Current Monitoring Relay, 1 Phase, SPDT / 2255906 (2 offers) 
The ABB is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 220 - 240 V AC and has a 1 out...
ABB
1SVR730841R1200 CM-SRS.11S
from £ 79.43*
per piece
 
 piece
ABB CM-SRS.12S electrical relay (2 offers) 
The CM-SRS.12S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and ...
ABB
1SVR730840R0300
from £ 94.83*
per piece
 
 piece
ABB Current Monitoring Relay, 1 Phase, DPDT, DIN Rail / 7758018 (2 offers) 
CM-SRS Current Monitoring, Single Phase AC/DC. ,. Depending on the configuration, the current monitoring relays CM-SRS.1 and CM-SRS.2 can be used for over- or undercurrent monitoring in single-phas...
ABB
1SVR730841R1500 CM-SRS.22S
from £ 77.29*
per piece
 
 piece
ABB CM-SRS.12S electrical relay (2 offers) 
The CM-SRS.12S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 220 - 240 V AC and has ...
ABB
1SVR730841R1300
from £ 79.23*
per piece
 
 piece
ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT / 8762554 (1 offer) 
CM-UFD Grid Feeding Relays. The expertly designed CM-UFD range of grid feeding relays ensures safe and reliable monitoring of numerous grid parameters when feeding energy into the public grid. Main...
ABB
1SVR560730R3400 CM-UFD.M22
£ 654.955*
per piece
 
 piece
ABB Frequency, Voltage Monitoring Relay, 1, 3 Phase, SPDT, 57.7 → 240 V ac, 99.9 → 415 V dc, DIN Rail / 8762551 (1 offer) 
Monitoring Application = Frequency, Voltage Electrical Phase = 1, 3 Voltage Sensing Range = 57.7 → 240 V ac, 99.9 → 415 V dc Voltage Sensitivity = Overvoltage, Undervoltage Mounting Type = DIN Rail...
ABB
1SVR560730R3402 CM-UFD.M33
from £ 467.092*
per piece
 
 piece
ABB CM-SRS.11S electrical relay (2 offers) 
The CM-SRS.11S is a single-functional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and ...
ABB
1SVR730840R0200
from £ 95.13*
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 £ 210.77*
per piece
 
 piece
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 £ 252.411*
per piece
 
 piece
ABB Insulation Monitoring Relay, 1, 3 Phase, DPDT, 0 → 400 V ac, 0 → 600V dc, DIN Rail / 8065917 (3 offers) 
Monitoring Application = Insulation Electrical Phase = 1, 3 Voltage Sensing Range = 0 → 400 V ac, 0 → 600V dc Mounting Type = DIN Rail Frequency Sensing Range = 13.5 → 440Hz Series = CM-IWN Height ...
ABB
1SVR750660R0200 CM-IWN.1S
from £ 474.369*
per piece
 
 piece
ABB 1SVR560730R3401 electrical relay Grey (1 offer) 
The CM-UFD.M31 is a multi-functional grid feeding monitoring relay, which provides interface protection and is to be installed between a renewable energy system and the public grid. This innovative...
ABB
1SVR560730R3401
from £ 523.968*
per piece
 
 piece
ABB Liquid Level Monitoring Relay, 1 Phase, SPST / 2373178 (2 offers) 
Monitoring Application = Liquid Level Electrical Phase = 1 Contact Configuration = SPST Series = CM
ABB
1SVR550855R9400 CM-ENE MAX
from £ 54.28*
per piece
 
 piece
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