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 121.84

AED 121.84 Each (ex VAT)

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1

Available in multiples of 1
1AED 121.84
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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 Current Monitoring Relay, Three Phase, 1NO/1NC, DIN Rail Mount
RS PRO Current Monitoring Relay, Three Phase, 1NO/1NC, DIN Rail Mount
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RS Stock No.: 434-506Brand: RS PRO

AED 245.26

AED 245.26 Each (ex VAT)

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1

Available in multiples of 1
1AED 245.26
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RS Pro
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Current
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Three
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1NO/1NC
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DIN Rail Mount
40A
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100A
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0.1 → 20s
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44 x 84.5 x 75mm
44mm
CE
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84.5mm
55°C
-20°C
-20 to 55°C
Error Delay Time Adjustable
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75mm
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40 → 100A
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 112.57

AED 112.57 Each (ex VAT)

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1

Available in multiples of 1
1AED 112.57
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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

AED 54.55

AED 54.55 Each (ex VAT)

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1

Available in multiples of 1
1AED 54.55
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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

AED 74.37

AED 74.37 Each (ex VAT)

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1

Available in multiples of 1
1AED 74.37
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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
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RS Stock No.: 132-173Brand: RS PRO

AED 93.14

AED 93.14 Each (ex VAT)

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1

Available in multiples of 1
1AED 93.14
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
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RS Stock No.: 122-216Brand: RS PRO

AED 74.94

AED 74.94 Each (ex VAT)

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1

Available in multiples of 1
1AED 74.94
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, Voltage Monitoring Relay, Single Phase, CO, 270 → 370, 410 → 510V ac, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, Single Phase, CO, 270 → 370, 410 → 510V ac, DIN Rail
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RS Stock No.: 558-898Brand: RS PRO

AED 215.04

AED 215.04 Each (ex VAT)

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1

Available in multiples of 1
1AED 215.04
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RS Pro
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Voltage
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1
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150 → 300V ac
CO
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Overvoltage, Undervoltage
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DIN Rail
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CE, cULus, DEKRA, IEC, IQNet, ISO EN 9000
Screw
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RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, 150 → 210, 240 → 300V ac, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, 150 → 210, 240 → 300V ac, DIN Rail
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RS Stock No.: 558-901Brand: RS PRO

AED 213.35

AED 213.35 Each (ex VAT)

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1

Available in multiples of 1
1AED 213.35
Add to basket
RS Pro
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Voltage
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1
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150 → 300V ac
CO
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Overvoltage, Undervoltage
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DIN Rail
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CE, cULus, DEKRA, IEC, IQNet, ISO EN 9000
Screw
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RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, DIN Rail
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RS Stock No.: 558-892Brand: RS PRO

AED 182.91

AED 182.91 Each (ex VAT)

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1

Available in multiples of 1
1AED 182.91
Add to basket
RS Pro
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Voltage
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3
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CO
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Voltage Asymmetry
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DIN Rail
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CE, cULus, DEKRA, IEC, IQNet, ISO EN 9000
Screw
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RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, DIN Rail
RS PRO Phase, Voltage Monitoring Relay, Three Phase, CO, DIN Rail
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RS Stock No.: 558-897Brand: RS PRO

AED 155.49

AED 155.49 Each (ex VAT)

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1

Available in multiples of 1
1AED 155.49
Add to basket
RS Pro
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Voltage
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3
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CO
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Voltage Asymmetry
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DIN Rail
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CE, cULus, DEKRA, IEC, IQNet, ISO EN 9000
Screw
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RS PRO Voltage Monitoring Relay, Single Phase, 1NO, 120 → 300V ac, DIN Rail Mount
RS PRO Voltage Monitoring Relay, Single Phase, 1NO, 120 → 300V ac, DIN Rail Mount
Add to parts list
RS Stock No.: 434-521Brand: RS PRO

AED 217.79

AED 217.79 Each (ex VAT)

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1

Available in multiples of 1
1AED 217.79
Add to basket
RS Pro
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Voltage
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Single
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120 → 300V ac
1NO
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Overvoltage
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DIN Rail Mount
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0.1 → 600s
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52.9 x 67.5 x 90.3mm
52.9mm
CE
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67.5mm
55°C
-20°C
-20 to 55°C
Built-In Current Transformer, Built-In Contactor
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90.3mm
300V
120V
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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.: 122-210Brand: RS PRO

AED 85.44

AED 85.44 Each (ex VAT)

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1

Available in multiples of 1
1AED 85.44
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
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RS Stock No.: 122-215Brand: RS PRO

AED 114.21

AED 114.21 Each (ex VAT)

Check stock

1

Available in multiples of 1
1AED 114.21
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, 1NO/1NC, 230 → 460V ac, DIN Rail or Panel
RS PRO Voltage Monitoring Relay, Three Phase, 1NO/1NC, 230 → 460V ac, DIN Rail or Panel
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RS Stock No.: 434-520Brand: RS PRO

AED 173.24

AED 173.24 Each (ex VAT)

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1

Available in multiples of 1
1AED 173.24
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RS Pro
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Voltage
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Three
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230 → 460V ac
1NO/1NC
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Overvoltage
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DIN Rail or Panel
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Phase Loss
0.1 → 10s
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44 x 84.5 x 75mm
44mm
CE
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84.5mm
55°C
-20°C
-20 to 55°C
Phase Sequence Control, With PTC, Non-Neutral
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75mm
460V
230V
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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 100.44

AED 100.44 Each (ex VAT)

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1

Available in multiples of 1
1AED 100.44
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

AED 322.22

AED 322.22 Each (ex VAT)

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1

Available in multiples of 1
1AED 322.22
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RS Pro
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Voltage
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1
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12 → 24V dc
SPDT
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Undervoltage
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DIN Rail
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0 → 30s
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L
17.5 x 66.5 x 89mm
66.5mm
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Screw
17.5mm
+60°C
-20°C
+60°C
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1
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89mm
24V dc
12V dc
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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 351.54

AED 351.54 Each (ex VAT)

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1

Available in multiples of 1
1AED 351.54
Add to basket
RS Pro
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Phase, Voltage
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3
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SPDT
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Undervoltage
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DIN Rail
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Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
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L
17.5 x 66.5 x 89mm
66.5mm
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Screw
17.5mm
+60°C
-20°C
+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
1
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89mm
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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

AED 507.32

AED 507.32 Each (ex VAT)

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1

Available in multiples of 1
1AED 507.32
Add to basket
RS Pro
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Phase
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3
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SPDT
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Overvoltage Protection, Undervoltage Protection
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DIN Rail
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17.5 x 90 x 66.5mm
66.5mm
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Screw
90mm
+60°C
-20°C
-20 → +60°C
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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 580.51

AED 580.51 Each (ex VAT)

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1

Available in multiples of 1
1AED 580.51
Add to basket
RS Pro
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Phase
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3
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Phase Loss, Voltage Assemmetry
SPDT
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DIN Rail
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17.5 x 90 x 66.5mm
66.5mm
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Screw
90mm
+60°C
-20°C
-20 → +60°C
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