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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 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
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RS Stock No.: 223-7795Brand: RS PRO

57.937 OMR

57.937 OMR Each (ex VAT)

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1

Available in multiples of 1
157.937 OMR
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RS Pro
Phase
3
SPDT
Phase Loss, Voltage Assemmetry
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
Screw
-
-
+60°C
-20°C
-
-
-
-
-
66.5mm
90mm
17.5 x 90 x 66.5mm
-20 → +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

66.398 OMR

66.398 OMR Each (ex VAT)

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1

Available in multiples of 1
166.398 OMR
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RS Pro
Voltage
3
DPDT
-
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
2 → 999s
-
-
-
-
-
Screw
-
-
+60°C
-10°C
-
-
-
-
-
66.21mm
36mm
36 x 90 x 67mm
-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.: 223-7790Brand: RS PRO

71.089 OMR

71.089 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
171.089 OMR
Add to basket
RS Pro
Voltage
3
DPDT
-
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
2 → 999s
-
-
-
-
-
Screw
-
-
+60°C
-10°C
-
-
-
-
-
66.21mm
36mm
36 x 90 x 67mm
-10 → +60°C
-
90mm
-
-
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

61.706 OMR

61.706 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
161.706 OMR
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
-
-
-
-
-
Screw
45Hz
-
+60°C
-10°C
-
-
65Hz
-
-
66.21mm
36mm
36 x 90 x 67mm
-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

58.972 OMR

58.972 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
158.972 OMR
Add to basket
RS Pro
Phase
3
SPDT
-
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
Screw
-
-
+60°C
-20°C
-
-
-
-
-
66.5mm
90mm
17.5 x 90 x 66.5mm
-20 → +60°C
-
-
-
-
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 243 → 540 V, DIN Rail, Surface Mount
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, DPDT, 243 → 540 V, DIN Rail, Surface Mount
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RS Stock No.: 225-7388Brand: RS PRO

59.981 OMR

59.981 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
159.981 OMR
Add to basket
RS Pro
Phase, Voltage
3
DPDT
243 → 540 V
-
Undervoltage
-
DIN Rail, Surface Mount
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
-
-
-
-
-
Screw
-
-
+60°C
-20°C
-
540V
-
243 V
-
89mm
17.5mm
89 x 17.5 x 66.5mm
-20 → +60°C
Microprocessor Based, Detects Incorrect Phase Sequence, Phase Loss And Neutral Loss, Adjustment For Under Voltage Trip Level, Adjustment For Time Delay
66.5mm
-
-
RS PRO Phase Monitoring Relay, 3 Phase, DIN Rail, Surface Mount
RS PRO Phase Monitoring Relay, 3 Phase, DIN Rail, Surface Mount
Add to parts list
RS Stock No.: 225-7384Brand: RS PRO

30.402 OMR

30.402 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
130.402 OMR
Add to basket
RS Pro
Phase
3
-
-
-
-
-
DIN Rail, Surface Mount
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
Screw
-
-
+60°C
-20°C
-
-
-
-
-
66.5mm
17.5mm
-
-20 → +60°C
3 LEDs for Phase presence status, Sequence Status,
-
-
-
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
Add to parts list
RS Stock No.: 225-7387Brand: RS PRO

60.451 OMR

60.451 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
160.451 OMR
Add to basket
RS Pro
Phase, Voltage
3
DPDT
-
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
Screw
-
-
-
-
-
-
-
-
-
-
17.5mm
-
-
-
-
-
-
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.: 225-7386Brand: RS PRO

54.403 OMR

54.403 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
154.403 OMR
Add to basket
RS Pro
Voltage
3
DPDT
-
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
Screw
-
-
-
-
-
-
-
-
-
-
17.5mm
-
-
-
-
-
-
RS PRO Current Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
RS PRO Current Monitoring Relay, Single Phase, 150 → 260V ac, DIN Rail
Add to parts list
RS Stock No.: 132-174Brand: RS PRO

12.255 OMR

12.255 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
112.255 OMR
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RS Pro
Current
Single
-
150 → 260V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

11.328 OMR

11.328 OMR Each (ex VAT)

Check stock

1

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

5.474 OMR

5.474 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
15.474 OMR
Add to basket
RS Pro
Phase
Three
-
150 → 260V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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.: 132-172Brand: RS PRO

7.419 OMR

7.419 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
17.419 OMR
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

7.475 OMR

7.475 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
17.475 OMR
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

9.295 OMR

9.295 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
19.295 OMR
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

8.533 OMR

8.533 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
18.533 OMR
Add to basket
RS Pro
Voltage
Single
-
220V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

11.400 OMR

11.400 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
111.400 OMR
Add to basket
RS Pro
Voltage
Single
-
220V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

10.021 OMR

10.021 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
110.021 OMR
Add to basket
RS Pro
Voltage
Three
-
380V ac
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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

32.159 OMR

32.159 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
132.159 OMR
Add to basket
RS Pro
Voltage
1
SPDT
12 → 24V dc
-
Undervoltage
-
DIN Rail
-
-
-
-
-
0 → 30s
-
-
-
L
-
Screw
-
1
+60°C
-20°C
-
24V dc
-
12V dc
-
66.5mm
17.5mm
17.5 x 66.5 x 89mm
+60°C
-
89mm
-
-
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

35.087 OMR

35.087 OMR Each (ex VAT)

Check stock

1

Available in multiples of 1
135.087 OMR
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
-
Undervoltage
-
DIN Rail
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
-
-
L
-
Screw
-
1
+60°C
-20°C
-
-
-
-
-
66.5mm
17.5mm
17.5 x 66.5 x 89mm
+60°C
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
89mm
-
-

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