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...

Showing 1-20 of 1161 products

Filter

Sort

Filter

Sort

Relevance
Price (high-low)
Price (low-high)
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 PROHSN Code: 85364900

₹ 3,050.10

₹ 3,050.10 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 3,050.10
Add to basket
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
Add to parts list
RS Stock No.: 132-171Brand: RS PROHSN Code: 85364900

₹ 2,807.40

₹ 2,807.40 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,807.40
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 PROHSN Code: 85364900

₹ 1,365.94

₹ 1,365.94 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,365.94
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 PROHSN Code: 85364900

₹ 1,849.79

₹ 1,849.79 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,849.79
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 PROHSN Code: 85364900

₹ 1,858.33

₹ 1,858.33 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,858.33
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 PROHSN Code: 85364900

₹ 2,326.63

₹ 2,326.63 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,326.63
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 PROHSN Code: 85364900

₹ 2,817.43

₹ 2,817.43 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,817.43
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 PROHSN Code: 85364900

₹ 2,123.59

₹ 2,123.59 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,123.59
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 PROHSN Code: 85364900

₹ 2,498.53

₹ 2,498.53 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,498.53
Add to basket
RS Pro
Voltage
Three
-
380V ac
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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 PROHSN Code: 85364900

₹ 8,094.84

₹ 8,094.84 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,094.84
Add to basket
RS Pro
Phase
3
SPDT
Phase Loss, Voltage Assemmetry
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
90mm
Screw
+60°C
66.5mm
-20 → +60°C
-
-20°C
-
-
17.5 x 90 x 66.5mm
-
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.: 223-7789Brand: RS PROHSN Code: 85364900

₹ 9,190.08

₹ 9,190.08 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 9,190.08
Add to basket
RS Pro
Voltage
3
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
2 → 999s
-
-
-
-
-
-
-
-
-
-
-
36mm
Screw
+60°C
66.21mm
-10 → +60°C
-
-10°C
-
-
36 x 90 x 67mm
-
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 PROHSN Code: 85364900

₹ 9,786.96

₹ 9,786.96 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 9,786.96
Add to basket
RS Pro
Voltage
3
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
2 → 999s
-
-
-
-
-
-
-
-
-
-
-
36mm
Screw
+60°C
66.21mm
-10 → +60°C
-
-10°C
-
-
36 x 90 x 67mm
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 PROHSN Code: 85364900

₹ 8,598.66

₹ 8,598.66 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,598.66
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
-
-
-
-
45Hz
-
-
-
-
65Hz
-
36mm
Screw
+60°C
66.21mm
-10 → +60°C
-
-10°C
-
-
36 x 90 x 67mm
-
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 PROHSN Code: 85364900

₹ 8,227.57

₹ 8,227.57 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,227.57
Add to basket
RS Pro
Phase
3
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
90mm
Screw
+60°C
66.5mm
-20 → +60°C
-
-20°C
-
-
17.5 x 90 x 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
Add to parts list
RS Stock No.: 225-7388Brand: RS PROHSN Code: 85394900

₹ 8,402.07

₹ 8,402.07 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,402.07
Add to basket
RS Pro
Phase, Voltage
3
DPDT
243 → 540 V
Undervoltage
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
-
-
-
-
-
-
-
-
540V
-
243 V
17.5mm
Screw
+60°C
89mm
-20 → +60°C
-
-20°C
Microprocessor Based, Detects Incorrect Phase Sequence, Phase Loss And Neutral Loss, Adjustment For Under Voltage Trip Level, Adjustment For Time Delay
-
89 x 17.5 x 66.5mm
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 PROHSN Code: 85394900

₹ 4,464.85

₹ 4,464.85 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 4,464.85
Add to basket
RS Pro
Phase
3
-
-
-
-
DIN Rail, Surface Mount
-
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
-
-
-
-
-
-
17.5mm
Screw
+60°C
66.5mm
-20 → +60°C
-
-20°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 PROHSN Code: 85394900

₹ 8,474.94

₹ 8,474.94 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,474.94
Add to basket
RS Pro
Phase, Voltage
3
DPDT
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
-
-
-
-
-
-
17.5mm
Screw
-
-
-
-
-
-
-
-
-
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 PROHSN Code: 85394900

₹ 8,462.46

₹ 8,462.46 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,462.46
Add to basket
RS Pro
Voltage
3
DPDT
-
Overvoltage, Undervoltage
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
17.5mm
Screw
-
-
-
-
-
-
-
-
-
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 PROHSN Code: 85364900

₹ 8,674.58

₹ 8,674.58 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,674.58
Add to basket
RS Pro
Voltage
1
SPDT
12 → 24V dc
Undervoltage
-
DIN Rail
-
-
-
-
-
-
0 → 30s
-
-
-
L
-
1
-
-
24V dc
-
12V dc
17.5mm
Screw
+60°C
66.5mm
+60°C
-
-20°C
-
-
17.5 x 66.5 x 89mm
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 PROHSN Code: 85364900

₹ 5,843.22

₹ 5,843.22 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 5,843.22
Add to basket
RS Pro
Phase, Voltage
3
SPDT
-
Undervoltage
-
DIN Rail
-
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
-
-
L
-
1
-
-
-
-
-
17.5mm
Screw
+60°C
66.5mm
+60°C
-
-20°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
-
17.5 x 66.5 x 89mm
89mm

...