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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 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

AED 112.53

AED 112.53 Each (ex VAT)

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1

Available in multiples of 1
1AED 112.53
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RS Pro
Current
Single
-
150 → 260V ac
-
-
DIN Rail
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-
-
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-
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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

AED 103.34

AED 103.34 Each (ex VAT)

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1

Available in multiples of 1
1AED 103.34
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RS Pro
Liquid Level
Single
-
150 → 260V ac
-
-
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

AED 50.99

AED 50.99 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 50.99
Add to basket
RS Pro
Phase
Three
-
150 → 260V ac
-
-
DIN Rail
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-
-
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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

AED 69.49

AED 69.49 Each (ex VAT)

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1

Available in multiples of 1
1AED 69.49
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
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.: 122-216Brand: RS PRO

AED 70.02

AED 70.02 Each (ex VAT)

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1

Available in multiples of 1
1AED 70.02
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
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

AED 87.07

AED 87.07 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 87.07
Add to basket
RS Pro
Phase
Three
-
380V ac
-
-
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
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RS Stock No.: 122-215Brand: RS PRO

AED 106.74

AED 106.74 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 106.74
Add to basket
RS Pro
Voltage
Single
-
220V ac
-
-
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

AED 79.87

AED 79.87 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 79.87
Add to basket
RS Pro
Voltage
Single
-
220V ac
-
-
DIN Rail
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-
-
-
-
-
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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

AED 93.87

AED 93.87 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 93.87
Add to basket
RS Pro
Voltage
Three
-
380V ac
-
-
DIN Rail
-
-
-
-
-
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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
Add to parts list
RS Stock No.: 223-7795Brand: RS PRO

AED 542.53

AED 542.53 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 542.53
Add to basket
RS Pro
Phase
3
SPDT
Phase Loss, Voltage Assemmetry
-
-
DIN Rail
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-
-
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17.5 x 90 x 66.5mm
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-20°C
66.5mm
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Screw
+60°C
-20 → +60°C
90mm
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-
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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

AED 621.76

AED 621.76 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 621.76
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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36 x 90 x 67mm
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-
-10°C
66.21mm
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Screw
+60°C
-10 → +60°C
36mm
-
-
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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

AED 665.66

AED 665.66 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 665.66
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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36 x 90 x 67mm
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-10°C
66.21mm
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Screw
+60°C
-10 → +60°C
36mm
-
-
-
-
-
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-
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

AED 577.79

AED 577.79 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 577.79
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
-
-
-
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36 x 90 x 67mm
45Hz
-
-10°C
66.21mm
-
Screw
+60°C
-10 → +60°C
36mm
-
-
-
-
65Hz
-
-
-
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

AED 552.16

AED 552.16 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 552.16
Add to basket
RS Pro
Phase
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
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-
-
-
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-
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17.5 x 90 x 66.5mm
-
-
-20°C
66.5mm
-
Screw
+60°C
-20 → +60°C
90mm
-
-
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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
Add to parts list
RS Stock No.: 225-7388Brand: RS PRO

AED 561.68

AED 561.68 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 561.68
Add to basket
RS Pro
Phase, Voltage
3
DPDT
243 → 540 V
Undervoltage
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
-
-
-
-
-
89 x 17.5 x 66.5mm
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Microprocessor Based, Detects Incorrect Phase Sequence, Phase Loss And Neutral Loss, Adjustment For Under Voltage Trip Level, Adjustment For Time Delay
-20°C
89mm
-
Screw
+60°C
-20 → +60°C
17.5mm
-
-
-
540V
-
-
243 V
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

AED 284.71

AED 284.71 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 284.71
Add to basket
RS Pro
Phase
3
-
-
-
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
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3 LEDs for Phase presence status, Sequence Status,
-20°C
66.5mm
-
Screw
+60°C
-20 → +60°C
17.5mm
-
-
-
-
-
-
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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

AED 566.00

AED 566.00 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 566.00
Add to basket
RS Pro
Phase, Voltage
3
DPDT
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
-
-
-
-
-
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Screw
-
-
17.5mm
-
-
-
-
-
-
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-
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

AED 509.44

AED 509.44 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 509.44
Add to basket
RS Pro
Voltage
3
DPDT
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
-
-
-
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-
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-
-
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-
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Screw
-
-
17.5mm
-
-
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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

AED 301.14

AED 301.14 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 301.14
Add to basket
RS Pro
Voltage
1
SPDT
12 → 24V dc
Undervoltage
-
DIN Rail
-
-
-
-
-
-
0 → 30s
-
-
-
L
-
17.5 x 66.5 x 89mm
-
-
-20°C
66.5mm
-
Screw
+60°C
+60°C
17.5mm
1
-
-
24V dc
-
-
12V dc
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

AED 328.50

AED 328.50 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 328.50
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
Undervoltage
-
DIN Rail
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
-
-
L
-
17.5 x 66.5 x 89mm
-
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
-20°C
66.5mm
-
Screw
+60°C
+60°C
17.5mm
1
-
-
-
-
-
-
89mm

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