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 1190 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

₹ 3,053.50

₹ 3,053.50 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 3,053.50
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

₹ 2,809.82

₹ 2,809.82 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,809.82
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

₹ 1,366.61

₹ 1,366.61 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,366.61
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

₹ 1,849.02

₹ 1,849.02 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,849.02
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

₹ 2,324.03

₹ 2,324.03 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,324.03
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

₹ 1,858.06

₹ 1,858.06 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 1,858.06
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.: 122-210Brand: RS PROHSN Code: 85364900

₹ 2,122.32

₹ 2,122.32 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,122.32
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.: 122-215Brand: RS PROHSN Code: 85364900

₹ 2,817.13

₹ 2,817.13 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,817.13
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

₹ 2,496.10

₹ 2,496.10 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 2,496.10
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

₹ 8,567.04

₹ 8,567.04 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,567.04
Add to basket
RS Pro
Phase
3
Phase Loss, Voltage Assemmetry
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
90mm
Screw
-20 → +60°C
+60°C
66.5mm
-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.: 223-7790Brand: RS PROHSN Code: 85364900

₹ 10,357.86

₹ 10,357.86 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 10,357.86
Add to basket
RS Pro
Voltage
3
-
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
2 → 999s
-
-
-
-
-
36mm
Screw
-10 → +60°C
+60°C
66.21mm
-10°C
-
-
-
-
-
-
-
90mm
-
-
-
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.: 223-7789Brand: RS PROHSN Code: 85364900

₹ 9,726.16

₹ 9,726.16 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 9,726.16
Add to basket
RS Pro
Voltage
3
-
DPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
2 → 999s
-
-
-
-
-
36mm
Screw
-10 → +60°C
+60°C
66.21mm
-10°C
-
-
-
-
-
-
-
-
-
-
-
36 x 90 x 67mm
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

₹ 9,100.23

₹ 9,100.23 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 9,100.23
Add to basket
RS Pro
Phase, Voltage
3
-
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
Phase Loss, Phase Sequence, Phase Asymmetry
2 → 999s
-
-
-
-
-
36mm
Screw
-10 → +60°C
+60°C
66.21mm
-10°C
-
45Hz
-
65Hz
-
-
-
-
-
-
-
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

₹ 8,707.53

₹ 8,707.53 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,707.53
Add to basket
RS Pro
Phase
3
-
SPDT
-
Overvoltage Protection, Undervoltage Protection
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
90mm
Screw
-20 → +60°C
+60°C
66.5mm
-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

₹ 8,892.19

₹ 8,892.19 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,892.19
Add to basket
RS Pro
Phase, Voltage
3
243 → 540 V
DPDT
-
Undervoltage
-
DIN Rail, Surface Mount
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
-
-
-
-
-
17.5mm
Screw
-20 → +60°C
+60°C
89mm
-20°C
-
-
540V
-
-
243 V
-
66.5mm
-
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
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

₹ 4,725.30

₹ 4,725.30 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 4,725.30
Add to basket
RS Pro
Phase
3
-
-
-
-
-
DIN Rail, Surface Mount
-
-
-
-
Phase Failure, Phase Sequence
-
-
-
-
-
-
17.5mm
Screw
-20 → +60°C
+60°C
66.5mm
-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

₹ 8,969.31

₹ 8,969.31 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,969.31
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

₹ 8,956.13

₹ 8,956.13 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 8,956.13
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

₹ 9,108.31

₹ 9,108.31 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 9,108.31
Add to basket
RS Pro
Voltage
1
12 → 24V dc
SPDT
-
Undervoltage
-
DIN Rail
-
-
-
-
-
0 → 30s
-
-
-
L
-
17.5mm
Screw
+60°C
+60°C
66.5mm
-20°C
1
-
24V dc
-
-
12V dc
-
89mm
-
-
-
17.5 x 66.5 x 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

₹ 6,184.07

₹ 6,184.07 Each (Exc. GST)

Check stock

1

Available in multiples of 1
1₹ 6,184.07
Add to basket
RS Pro
Phase, Voltage
3
-
SPDT
-
Undervoltage
-
DIN Rail
-
-
-
-
Phase Failure, Phase Sequence
0.2 → 10s
48 → 63Hz
-
-
L
-
17.5mm
Screw
+60°C
+60°C
66.5mm
-20°C
1
-
-
-
-
-
-
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
-
17.5 x 66.5 x 89mm

...