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...

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RS PRO Current Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
RS PRO Current Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
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RS Stock No.: 132-174Brand: RS PRO

14.695 OMR

14.695 OMR Each (ex VAT)

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1

Available in multiples of 1
114.695 OMR
Add to basket
RS Pro
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Current
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Single
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-
150 → 260V ac
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DIN Rail
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RS PRO Liquid Level Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
RS PRO Liquid Level Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
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RS Stock No.: 132-171Brand: RS PRO

13.624 OMR

13.624 OMR Each (ex VAT)

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1

Available in multiples of 1
113.624 OMR
Add to basket
RS Pro
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Liquid Level
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Single
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-
150 → 260V ac
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DIN Rail
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RS PRO Phase Monitoring Relay, Three Phase, 150 → 260V ac, DIN Rail
RS PRO Phase Monitoring Relay, Three Phase, 150 → 260V ac, DIN Rail
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RS Stock No.: 122-217Brand: RS PRO

6.529 OMR

6.529 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
16.529 OMR
Add to basket
RS Pro
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Phase
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Three
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-
150 → 260V ac
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DIN Rail
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RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
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RS Stock No.: 132-172Brand: RS PRO

8.696 OMR

8.696 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
18.696 OMR
Add to basket
RS Pro
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Phase
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Three
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-
380V ac
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-
DIN Rail
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RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
Add to parts list
RS Stock No.: 132-173Brand: RS PRO

10.992 OMR

10.992 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
110.992 OMR
Add to basket
RS Pro
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Phase
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Three
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-
380V ac
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-
DIN Rail
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RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
RS PRO Phase Monitoring Relay, Three Phase, 380V ac, DIN Rail
Add to parts list
RS Stock No.: 122-216Brand: RS PRO

8.757 OMR

8.757 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
18.757 OMR
Add to basket
RS Pro
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-
Phase
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Three
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-
380V ac
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DIN Rail
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RS PRO Voltage Monitoring Relay, Single Phase, 220V ac, DIN Rail
RS PRO Voltage Monitoring Relay, Single Phase, 220V ac, DIN Rail
Add to parts list
RS Stock No.: 122-210Brand: RS PRO

10.073 OMR

10.073 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
110.073 OMR
Add to basket
RS Pro
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Voltage
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Single
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220V ac
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DIN Rail
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RS PRO Voltage Monitoring Relay, Single Phase, 220V ac, DIN Rail
RS PRO Voltage Monitoring Relay, Single Phase, 220V ac, DIN Rail
Add to parts list
RS Stock No.: 122-215Brand: RS PRO

13.209 OMR

13.209 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
113.209 OMR
Add to basket
RS Pro
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-
Voltage
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Single
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220V ac
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-
DIN Rail
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RS PRO Voltage Monitoring Relay, Three Phase, 380V ac, DIN Rail
RS PRO Voltage Monitoring Relay, Three Phase, 380V ac, DIN Rail
Add to parts list
RS Stock No.: 122-212Brand: RS PRO

11.790 OMR

11.790 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
111.790 OMR
Add to basket
RS Pro
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-
Voltage
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Three
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-
380V ac
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DIN Rail
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RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, 12 → 24V dc, DIN Rail
RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, 12 → 24V dc, DIN Rail
Add to parts list
RS Stock No.: 102-6130Brand: RS PRO

37.265 OMR

37.265 OMR Each (ex VAT)

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1

Available in multiples of 1
137.265 OMR
Add to basket
RS Pro
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Voltage
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1
SPDT
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12 → 24V dc
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Undervoltage
DIN Rail
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0 → 30s
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L
-20°C
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24V dc
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12V dc
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66.5mm
+60°C
17.5 x 66.5 x 89mm
1
Screw
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89mm
17.5mm
+60°C
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 102-6136Brand: RS PRO

40.651 OMR

40.651 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
140.651 OMR
Add to basket
RS Pro
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-
Phase, Voltage
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3
SPDT
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Undervoltage
DIN Rail
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Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
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L
-20°C
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66.5mm
+60°C
17.5 x 66.5 x 89mm
1
Screw
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2 LEDs for the Indication of Operational States, Adjustment for Time Delay, Adjustment for Undervoltage Trip Level, Detects Incorrect Phase Sequence & Phase Loss, Measures Phase to Phase Voltages, Microprocessor Based Relay, Monitors Own Supply & Detects an Undervoltage Condition on One or more Phases, True RMS Monitoring
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89mm
17.5mm
+60°C
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 223-7792Brand: RS PRO

58.665 OMR

58.665 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
158.665 OMR
Add to basket
RS Pro
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Phase
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3
SPDT
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Overvoltage Protection, Undervoltage Protection
DIN Rail
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-20°C
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66.5mm
+60°C
17.5 x 90 x 66.5mm
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Screw
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90mm
-20 → +60°C
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, Phase Loss, Voltage Assemmetry, DIN Rail
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, Phase Loss, Voltage Assemmetry, DIN Rail
Add to parts list
RS Stock No.: 223-7795Brand: RS PRO

67.130 OMR

67.130 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
167.130 OMR
Add to basket
RS Pro
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-
Phase
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3
SPDT
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Phase Loss, Voltage Assemmetry
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DIN Rail
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-20°C
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66.5mm
+60°C
17.5 x 90 x 66.5mm
-
Screw
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90mm
-20 → +60°C
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 280 V, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, Maximum of 280 V, DIN Rail
Add to parts list
RS Stock No.: 102-6135Brand: RS PRO

38.824 OMR

38.824 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
138.824 OMR
Add to basket
RS Pro
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-
Phase, Voltage
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3
SPDT
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Maximum of 280 V
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Undervoltage
DIN Rail
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-
-
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Phase Failure, Phase Sequence
100ms
48 → 63Hz
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L
-20°C
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280V
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-
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-
66.5mm
+60°C
17.5 x 66.5 x 89mm
1
Screw
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2 LEDs for the Indication of Operational States, Detects Incorrect Phase Sequence & Phase Loss, Fixed Time Delay, Fixed Undervoltage Trip Level, Measures Phase to Phase Voltages, Microprocessor Based Relay, Monitors Own Supply & Detects an Undervoltage Condition on One or more Phases, True RMS Monitoring
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89mm
17.5mm
+60°C
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
Add to parts list
RS Stock No.: 223-7790Brand: RS PRO

82.367 OMR

82.367 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
182.367 OMR
Add to basket
RS Pro
-
-
Voltage
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3
DPDT
-
-
-
Overvoltage Protection, Undervoltage Protection
DIN Rail
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-
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2 → 999s
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-10°C
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66.21mm
+60°C
36 x 90 x 67mm
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Screw
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90mm
36mm
-10 → +60°C
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
Add to parts list
RS Stock No.: 223-7789Brand: RS PRO

76.929 OMR

76.929 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
176.929 OMR
Add to basket
RS Pro
-
-
Voltage
-
3
DPDT
-
-
-
Overvoltage Protection, Undervoltage Protection
DIN Rail
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-
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2 → 999s
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-10°C
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66.21mm
+60°C
36 x 90 x 67mm
-
Screw
-
-
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36mm
-10 → +60°C
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 223-7788Brand: RS PRO

71.490 OMR

71.490 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
171.490 OMR
Add to basket
RS Pro
-
-
Phase, Voltage
-
3
SPDT
-
-
-
Overvoltage Protection, Undervoltage Protection
DIN Rail
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-
-
-
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Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
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-10°C
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65Hz
-
66.21mm
+60°C
36 x 90 x 67mm
-
Screw
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45Hz
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36mm
-10 → +60°C
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 223-7791Brand: RS PRO

68.324 OMR

68.324 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
168.324 OMR
Add to basket
RS Pro
-
-
Phase
-
3
SPDT
-
-
-
Overvoltage Protection, Undervoltage Protection
DIN Rail
-
-
-
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-
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-20°C
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66.5mm
+60°C
17.5 x 90 x 66.5mm
-
Screw
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-
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90mm
-20 → +60°C
RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, Maximum of 500 V, DIN Rail
RS PRO Voltage Monitoring Relay, 1 Phase, SPDT, Maximum of 500 V, DIN Rail
Add to parts list
RS Stock No.: 102-6133Brand: RS PRO

71.564 OMR

71.564 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
171.564 OMR
Add to basket
RS Pro
-
-
Voltage
-
1
SPDT
-
Maximum of 500 V
-
Overvoltage, Undervoltage
DIN Rail
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-
-
-
-
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0.1 → 30s
48 → 63Hz
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L
-20°C
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500V
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-
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-
66.5mm
+60°C
17.5 x 66.5 x 89mm
1
Screw
-
-
-
89mm
17.5mm
+60°C
RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
RS PRO Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 102-6134Brand: RS PRO

71.564 OMR

71.564 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
171.564 OMR
Add to basket
RS Pro
-
-
Current
-
1
SPDT
-
-
-
-
DIN Rail
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-
1A
-
10A
Overcurrent, Undercurrent
-
0.1 → 30s
48 → 63Hz
-
-
L
-20°C
1 → 10A
-
-
-
-
-
66.5mm
+60°C
66.5 x 17.5 x 89mm
1
Screw
-
Green LED Indication for Supply Status
-
89mm
17.5mm
+60°C

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