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  Phase unbalance relay  (1,144 offers of 5,557,236 product items)

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ABB CM-MPS.21S electrical relay (3 offers) 
The CM-MPS.21S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 180-280 V AC 50/60 Hz and has a ...
ABB
1SVR730885R3300
from £ 84.97*
per piece
 
 piece
Siemens 3RR24433AA40 electrical relay Black (1 offer) 
Current monitoring relay for IO-Link, can be mounted to Contactor, 3RT2, Size S2 Apparant/active current monitoring 8-80 A, 20-400 Hz, 3-phase Supply voltage 24 V DC 1 change-over contact Monitorin...
Siemens
3RR24433AA40
£ 343.076*
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 £ 78.81*
per piece
 
 piece
Lovato Current Monitoring Relay, 1, 3 Phase, SPDT, DIN Rail / 9160192 (2 offers) 
Current Monitoring Relay Pump Protection Single and Three Phase. The Lovato range of current monitoring pump protection relays, protect against any dry running with auxiliary AC power supply includ...
LOVATO Electric
PMA50A480
from £ 128.42*
per piece
 
 piece
ABB CM-MPS.31P electrical relay Grey (1 offer) 
The CM-MPS.31P is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 160-300 V AC 50/60 Hz and has a ...
ABB
1SVR740884R1300
from £ 93.14*
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 £ 94.19*
per piece
 
 piece
Omron Voltage Monitoring Relay, 1 Phase, SPDT, 200 V, 300 V, 600 V, DIN Rail / 1113111 (3 offers) 
K8DT-VS Single Phase Under/Over Voltage Relay. Omron K8DT-VS single phase voltage monitor relay detects abnormal voltages applies to equipment to protect against equipment failure. Can be used in e...
Omron
K8DT-VS3CA
from £ 89.78*
per piece
 
 piece
ABB CM-MPS.41P electrical relay Grey (3 offers) 
The CM-MPS.41P is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 300-500 V AC 50/60 Hz and has a ...
ABB
1SVR740884R3300
from £ 94.18*
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 £ 78.01*
per piece
 
 piece
Module: voltage monitoring relay; 230VAC; for DIN rail mounting (1 offer) 
Manufacturer: NOVATEK ELECTRO Mounting: for DIN rail mounting Operating temperature: -35...55°C Kind of display used: LED Kind of output 1: SPDT Power supply: from tested wiring system IP rating: I...
NOVATEK ELECTRO
RN-118
from £ 21.84*
per piece
 
 piece
ABB CM-MPS.43S electrical relay (3 offers) 
The CM-MPN.43S is a multifunctional relay from the CM three-phase monitors range. It operates with a rated control supply voltage / three-phase measuring voltage of 300-500 V AC 50/60/400 Hz and ha...
ABB
1SVR730884R4300
from £ 107.43*
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 £ 93.24*
per piece
 
 piece
Module: voltage monitoring relay; 24÷240VAC; 24÷240VDC; 0.3÷30s (3 offers) 
Manufacturer: SCHNEIDER ELECTRIC Mounting: for DIN rail mounting Operating temperature: -20...50°C Kind of output 1: relay NO / NC x2 IP rating: IP30 Supply voltage: 24...240V AC;24...240V DC Leads...
Schneider Electric
RM35UA13MW
from £ 100.82*
per piece
 
 piece
ABB CM-PAS.31S electrical relay (2 offers) 
The CM-PAS.31S relay is from the CM three-phase monitors range. This relay operates with a rated control supply voltage / three-phase measuring voltage of 160-300 V AC and has a 2 c/o output with c...
ABB
1SVR730774R1300
from £ 117.78*
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
from £ 641.263*
per piece
 
 piece
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