Monitoring Relays
What are Monitoring Relays?
Monitoring relays are electrical devices that are used to monitor various parameters in a power system, such as voltage, current, temperature, and frequency, and trigger an alarm or action if the values go beyond a preset threshold. They are designed to detect abnormal operating conditions in a system and alert operators or take corrective action to pre...
Showing 1-20 of 1280 products
RS Stock No.: 434-521Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Undervoltage Monitoring
1
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SPST
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DIN Rail
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IP20
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-20°C
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120/300 V
230V ac
55°C
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90.3mm
CE-UKCA ROHS-3
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52.9mm
67.5mm
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RS Stock No.: 132-171Brand: RS PRO
P.O.A.
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1
RS Stock No.: 132-174Brand: RS PRO
P.O.A.
Check stock
1
RS Stock No.: 122-210Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Undervoltage Monitoring
1
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DIN Rail
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250V ac
6VA
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IP20
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5A
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-20°C
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220V ac
55°C
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2006/95/EC - 2004/108/EC
GKM
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94.6mm
35.6mm
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RS Stock No.: 122-215Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Undervoltage Monitoring
1
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DIN Rail
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250V ac
6VA
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IP20
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5A
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-20°C
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220V ac
55°C
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2006/95/EC - 2004/108/EC
DKG
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9mm
35.4mm
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RS Stock No.: 122-217Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Plug
3
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DIN Rail
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-20°C
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150/260 V ac
150, 260V ac
55°C
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6mm
2006/95/EC - 2004/108/EC
FKV
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95mm
23mm
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RS Stock No.: 434-520Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Undervoltage Monitoring
3
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SPDT
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DIN Rail
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IP20
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-20°C
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230/460 V
380V ac
55°C
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75mm
ROHS-3, CE-UKCA
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44mm
84.5mm
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RS Stock No.: 122-216Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Plug
3
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DIN Rail
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250V ac
4VA
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IP20
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5A
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-20°C
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380 V ac
380V ac
55°C
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2006/95/EC - 2004/108/EC
FKV
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95mm
23mm
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RS Stock No.: 132-173Brand: RS PRO
P.O.A.
Check stock
1
RS Stock No.: 132-172Brand: RS PRO
P.O.A.
Check stock
1
RS Stock No.: 122-212Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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3
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DIN Rail
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250V ac
6VA
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IP20
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5A
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-20°C
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380V ac
55°C
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2006/95/EC - 2004/108/EC
GKT
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94.6mm
35.4mm
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RS Stock No.: 434-506Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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3
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SPDT
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DIN Rail
5A
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100A
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Overcurrent
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IP20
0.1 to 20 s
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-20°C
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150, 260V ac
55°C
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75mm
ROHS-3, CE-UKCA
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44mm
84.5mm
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P.O.A.
Check stock
1
RS Pro
Phase/Voltage Monitoring Relays
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Undervoltage Monitoring
1
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1 x 8A CO Relay Output
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DIN Rail
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6VA
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Screw
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IP40, IP20
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8A
270 V dc
-5°C
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150 to 300 V ac
230V ac
55°C
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90mm
EC 60529, EC 60255-3, EC 60870-5, EC 60255-6
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59mm
36mm
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RS Stock No.: 558-898Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Phase/Voltage Monitoring Relays
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Undervoltage Monitoring
1
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DIN Rail
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2W
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Screw
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IP40, IP20
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8A
270 V dc
-5°C
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150 to 300 V ac
230V ac
55°C
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90mm
EC 60255-6, EC 60255-3, EC 60529, EC 60870-5
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59.7mm
36mm
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RS Stock No.: 558-897Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Phase/Voltage Monitoring Relays
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Plug, Transducer
3
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1 CO
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DIN Rail
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Screw
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8A
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-5°C
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230 V ac
230V ac
55°C
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90mm
No
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58mm
35mm
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RS Stock No.: 558-892Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Phase/Voltage Monitoring Relays
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Plug
3
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1 CO
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DIN Rail
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Screw
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8A
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-5°C
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380 V ac
230V ac
55°C
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90mm
No
MKC-03
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58mm
35mm
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RS Stock No.: 102-6130Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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1
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SPDT
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DIN Rail
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3W
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Screw
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IP20
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8A
24 V dc
-20°C
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60°C
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89mm
RoHS, UL, CE, IEC, EMC EN 61000-6
L
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66.5mm
17.5mm
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RS Stock No.: 102-6136Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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3
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SPDT
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DIN Rail
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8VA
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Screw
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8A
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-20°C
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280/520 V ac
280, 520V ac
60°C
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89mm
RoHS, EN 61000-6-4, cUL, IEC 60664
L
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66.5mm
17.5mm
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RS Stock No.: 223-7795Brand: RS PRO
P.O.A.
Check stock
1
RS Pro
Monitoring Relay
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Undervoltage Monitoring
3
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SPDT
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DIN Rail
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16VA
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Screw
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IP20, IP30
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3A
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-20°C
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120/240 V ac
223, 7795V ac
60°C
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90mm
No
MAG0
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66.5mm
90mm
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RS Stock No.: 223-7792Brand: RS PRO
P.O.A.
Check stock
1
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