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

227.20 MOP

227.19 MOP Each (ex VAT)

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1

Available in multiples of 1
1227.19 MOP
Add to basket
RS Pro
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Current
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

208.60 MOP

208.62 MOP Each (ex VAT)

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1

Available in multiples of 1
1208.62 MOP
Add to basket
RS Pro
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Liquid Level
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

102.90 MOP

102.94 MOP Each (ex VAT)

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1

Available in multiples of 1
1102.94 MOP
Add to basket
RS Pro
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Phase
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.: 122-216Brand: RS PRO

141.30 MOP

141.34 MOP Each (ex VAT)

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1

Available in multiples of 1
1141.34 MOP
Add to basket
RS Pro
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Phase
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.: 132-172Brand: RS PRO

140.30 MOP

140.31 MOP Each (ex VAT)

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1

Available in multiples of 1
1140.31 MOP
Add to basket
RS Pro
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Phase
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

175.70 MOP

175.73 MOP Each (ex VAT)

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1

Available in multiples of 1
1175.73 MOP
Add to basket
RS Pro
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Phase
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.: 122-215Brand: RS PRO

215.50 MOP

215.51 MOP Each (ex VAT)

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1

Available in multiples of 1
1215.51 MOP
Add to basket
RS Pro
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Voltage
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.: 122-210Brand: RS PRO

161.30 MOP

161.28 MOP Each (ex VAT)

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1

Available in multiples of 1
1161.28 MOP
Add to basket
RS Pro
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Voltage
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

189.50 MOP

189.49 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1189.49 MOP
Add to basket
RS Pro
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Voltage
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
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RS Stock No.: 102-6130Brand: RS PRO

629.50 MOP

629.53 MOP Each (ex VAT)

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1

Available in multiples of 1
1629.53 MOP
Add to basket
RS Pro
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Voltage
1
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SPDT
12 → 24V dc
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Undervoltage
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DIN Rail
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0 → 30s
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L
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+60°C
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17.5mm
89mm
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Screw
+60°C
1
17.5 x 66.5 x 89mm
66.5mm
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24V dc
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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

343.90 MOP

343.88 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1343.88 MOP
Add to basket
RS Pro
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Phase, Voltage
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
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0.2 → 10s
48 → 63Hz
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L
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+60°C
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17.5mm
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
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Screw
+60°C
1
17.5 x 66.5 x 89mm
66.5mm
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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

533.50 MOP

533.49 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1533.49 MOP
Add to basket
RS Pro
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Phase
3
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SPDT
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Overvoltage Protection, Undervoltage Protection
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DIN Rail
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+60°C
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90mm
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Screw
-20 → +60°C
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17.5 x 90 x 66.5mm
66.5mm
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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

708.40 MOP

708.37 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1708.37 MOP
Add to basket
RS Pro
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Phase
3
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SPDT
Phase Loss, Voltage Assemmetry
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DIN Rail
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+60°C
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90mm
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Screw
-20 → +60°C
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17.5 x 90 x 66.5mm
66.5mm
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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
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RS Stock No.: 102-6135Brand: RS PRO

483.90 MOP

483.92 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1483.92 MOP
Add to basket
RS Pro
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Phase, Voltage
3
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SPDT
Maximum of 280 V
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Undervoltage
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DIN Rail
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Phase Failure, Phase Sequence
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100ms
48 → 63Hz
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L
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+60°C
-
17.5mm
89mm
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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Screw
+60°C
1
17.5 x 66.5 x 89mm
66.5mm
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280V
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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

644.60 MOP

644.58 MOP Each (ex VAT)

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1

Available in multiples of 1
1644.58 MOP
Add to basket
RS Pro
-
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-
Voltage
3
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-
DPDT
-
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Overvoltage Protection, Undervoltage Protection
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DIN Rail
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2 → 999s
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+60°C
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36mm
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Screw
-10 → +60°C
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36 x 90 x 67mm
66.21mm
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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

1,287.40 MOP

1,287.42 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
11,287.42 MOP
Add to basket
RS Pro
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-
Voltage
3
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DPDT
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Overvoltage Protection, Undervoltage Protection
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DIN Rail
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2 → 999s
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+60°C
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36mm
90mm
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Screw
-10 → +60°C
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36 x 90 x 67mm
66.21mm
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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.: 223-7788Brand: RS PRO

610.50 MOP

610.47 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1610.47 MOP
Add to basket
RS Pro
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-
Phase, Voltage
3
-
-
SPDT
-
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
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Phase Loss, Phase Sequence, Phase Asymmetry
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2 → 999s
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+60°C
45Hz
36mm
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Screw
-10 → +60°C
-
36 x 90 x 67mm
66.21mm
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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.: 223-7791Brand: RS PRO

781.60 MOP

781.63 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1781.63 MOP
Add to basket
RS Pro
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-
Phase
3
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SPDT
-
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Overvoltage Protection, Undervoltage Protection
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DIN Rail
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+60°C
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90mm
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Screw
-20 → +60°C
-
17.5 x 90 x 66.5mm
66.5mm
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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

1,160.10 MOP

1,160.14 MOP Each (ex VAT)

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1

Available in multiples of 1
11,160.14 MOP
Add to basket
RS Pro
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Voltage
1
-
-
SPDT
Maximum of 500 V
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Overvoltage, Undervoltage
-
DIN Rail
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0.1 → 30s
48 → 63Hz
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L
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+60°C
-
17.5mm
89mm
-
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Screw
+60°C
1
17.5 x 66.5 x 89mm
66.5mm
-
500V
-
-
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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

646.10 MOP

646.12 MOP Each (ex VAT)

Check stock

1

Available in multiples of 1
1646.12 MOP
Add to basket
RS Pro
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-
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Current
1
-
-
SPDT
-
-
-
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DIN Rail
-
-
1A
-
10A
Overcurrent, Undercurrent
-
-
0.1 → 30s
48 → 63Hz
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-
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L
-
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-
+60°C
-
17.5mm
89mm
Green LED Indication for Supply Status
-
Screw
+60°C
1
66.5 x 17.5 x 89mm
66.5mm
1 → 10A
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