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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

AED 526.73

AED 526.73 Each (ex VAT)

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1

Available in multiples of 1
1AED 526.73
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RS Pro
Phase
3
SPDT
Phase Loss, Voltage Assemmetry
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
Screw
90mm
-20 → +60°C
-
-
-20°C
-
+60°C
-
17.5 x 90 x 66.5mm
66.5mm
-
-
-
-
-
-
-
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
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RS Stock No.: 223-7789Brand: RS PRO

AED 603.64

AED 603.64 Each (ex VAT)

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1

Available in multiples of 1
1AED 603.64
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RS Pro
Voltage
3
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
2 → 999s
-
-
-
-
Screw
36mm
-10 → +60°C
-
-
-10°C
-
+60°C
-
36 x 90 x 67mm
66.21mm
-
-
-
-
-
-
-
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
RS PRO Voltage Monitoring Relay, 3 Phase, DPDT, DIN Rail
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RS Stock No.: 223-7790Brand: RS PRO

AED 646.28

AED 646.28 Each (ex VAT)

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1

Available in multiples of 1
1AED 646.28
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RS Pro
Voltage
3
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
2 → 999s
-
-
-
-
Screw
36mm
-10 → +60°C
-
-
-10°C
-
+60°C
-
36 x 90 x 67mm
66.21mm
-
90mm
-
-
-
-
-
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, 3 Phase, SPDT, DIN Rail
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RS Stock No.: 223-7788Brand: RS PRO

AED 560.96

AED 560.96 Each (ex VAT)

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1

Available in multiples of 1
1AED 560.96
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RS Pro
Phase, Voltage
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
-
-
-
-
Screw
36mm
-10 → +60°C
-
-
-10°C
-
+60°C
-
36 x 90 x 67mm
66.21mm
45Hz
-
-
-
65Hz
-
-
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
RS PRO Phase Monitoring Relay, 3 Phase, SPDT, DIN Rail
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RS Stock No.: 223-7791Brand: RS PRO

AED 536.08

AED 536.08 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 536.08
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RS Pro
Phase
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
Screw
90mm
-20 → +60°C
-
-
-20°C
-
+60°C
-
17.5 x 90 x 66.5mm
66.5mm
-
-
-
-
-
-
-
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

AED 545.32

AED 545.32 Each (ex VAT)

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1

Available in multiples of 1
1AED 545.32
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RS Pro
Phase, Voltage
3
DPDT
243 → 540 V
Undervoltage
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
-
-
-
-
Screw
17.5mm
-20 → +60°C
Microprocessor Based, Detects Incorrect Phase Sequence, Phase Loss And Neutral Loss, Adjustment For Under Voltage Trip Level, Adjustment For Time Delay
-
-20°C
-
+60°C
-
89 x 17.5 x 66.5mm
89mm
-
66.5mm
-
540V
-
243 V
-
RS PRO Phase Monitoring Relay, 3 Phase, DIN Rail, Surface Mount
RS PRO Phase Monitoring Relay, 3 Phase, DIN Rail, Surface Mount
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RS Stock No.: 225-7384Brand: RS PRO

AED 276.41

AED 276.41 Each (ex VAT)

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1

Available in multiples of 1
1AED 276.41
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RS Pro
Phase
3
-
-
-
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
Screw
17.5mm
-20 → +60°C
3 LEDs for Phase presence status, Sequence Status,
-
-20°C
-
+60°C
-
-
66.5mm
-
-
-
-
-
-
-
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 549.52

AED 549.52 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 549.52
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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

AED 494.60

AED 494.60 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 494.60
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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
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RS Stock No.: 132-174Brand: RS PRO

AED 109.25

AED 109.25 Each (ex VAT)

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1

Available in multiples of 1
1AED 109.25
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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

AED 100.33

AED 100.33 Each (ex VAT)

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1

Available in multiples of 1
1AED 100.33
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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
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RS Stock No.: 122-217Brand: RS PRO

AED 49.51

AED 49.51 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 49.51
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.: 122-216Brand: RS PRO

AED 67.99

AED 67.99 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 67.99
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

AED 84.52

AED 84.52 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 84.52
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.: 132-172Brand: RS PRO

AED 67.46

AED 67.46 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 67.46
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.: 122-215Brand: RS PRO

AED 103.64

AED 103.64 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 103.64
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.: 122-210Brand: RS PRO

AED 77.54

AED 77.54 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 77.54
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

AED 91.14

AED 91.14 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 91.14
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

AED 292.37

AED 292.37 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 292.37
Add to basket
RS Pro
Voltage
1
SPDT
12 → 24V dc
Undervoltage
-
DIN Rail
-
-
-
-
-
-
0 → 30s
-
-
-
L
Screw
17.5mm
+60°C
-
-
-20°C
1
+60°C
-
17.5 x 66.5 x 89mm
66.5mm
-
89mm
-
24V dc
-
12V dc
-
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 318.94

AED 318.94 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 318.94
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
Undervoltage
-
DIN Rail
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
-
-
L
Screw
17.5mm
+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
-
-20°C
1
+60°C
-
17.5 x 66.5 x 89mm
66.5mm
-
89mm
-
-
-
-
-

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