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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Omron Level Monitoring Relay, SPDT, DIN Rail
Omron Level Monitoring Relay, SPDT, DIN Rail
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RS Stock No.: 819-3248Brand: OmronManufacturers Part No.: K8AK-LS1 24VAC/DC

€ 94.38

€ 94.38 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 94.38
Add to basket
Omron
-
-
Level
-
-
-
-
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
K8AK-LS
-
100mm
+60°C
+60°C
-
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE, CSA, cURus
IP20 Protection
Screw
-
Omron Level Monitoring Relay, SPDT, DIN Rail
Omron Level Monitoring Relay, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3245Brand: OmronManufacturers Part No.: K8AK-LS1 100-240VAC

€ 94.38

€ 94.38 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 94.38
Add to basket
Omron
-
-
Level
-
-
-
-
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
-
-
-
-
K8AK-LS
-
100mm
+60°C
-20 → +60°C
-
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE, CSA, cURus
IP20 Protection
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3208Brand: OmronManufacturers Part No.: K8AK-AS2 100-240VAC

€ 152.46

€ 152.46 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
0.1A
8A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
+60°C
0.1 → 1 A, 0.5 → 5 A, 0.8 → 8A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE, CSA
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3226Brand: OmronManufacturers Part No.: K8AK-AW1 24VAC/DC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
2mA
500mA
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AW
-
100mm
+60°C
+60°C
10 → 100 mA, 2 → 20 mA, 50 → 500mA
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3210Brand: OmronManufacturers Part No.: K8AK-AS3 100-240VAC

€ 152.46

€ 152.46 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
10A
200A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
-20 → +60°C
10 → 100 A, 20 → 200A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CCC, CE, CSA, cURus
IP20 Terminal
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3220Brand: OmronManufacturers Part No.: K8AK-AW2 100-240VAC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
0.1A
5A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AW
-
100mm
+60°C
+60°C
0.1 → 1 A, 0.5 → 5A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3204Brand: OmronManufacturers Part No.: K8AK-AS1 24VAC/DC

€ 152.46

€ 152.46 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
2mA
500mA
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
+60°C
10 → 100 mA, 2 → 20 mA, 50 → 500mA
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3217Brand: OmronManufacturers Part No.: K8AK-AS2 24VAC/DC

€ 152.46

€ 152.46 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
0.1A
8A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
-20 → +60°C
0.1 → 1 A, 0.5 → 5 A, 0.8 → 8A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CCC, CE, CSA, cURus
IP20 Terminal
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3214Brand: OmronManufacturers Part No.: K8AK-AS3 24VAC/DC

€ 152.46

€ 152.46 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
10A
200A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
+60°C
10 → 100 A, 20 → 200A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3223Brand: OmronManufacturers Part No.: K8AK-AW1 100-240VAC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
2mA
500mA
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AW
-
100mm
+60°C
+60°C
10 → 100 mA, 2 → 20 mA, 50 → 500mA
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3232Brand: OmronManufacturers Part No.: K8AK-AW3 100-240VAC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
10A
200A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AW
-
100mm
+60°C
+60°C
10 → 100 A, 20 → 200A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3201Brand: OmronManufacturers Part No.: K8AK-AS1 100-240VAC

€ 152.46

€ 152.46 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 152.46
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
2mA
500mA
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AS
-
100mm
+60°C
+60°C
10 → 100 mA, 2 → 20 mA, 50 → 500mA
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE
-
Screw
-
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Omron Current Monitoring Relay, 1 Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3239Brand: OmronManufacturers Part No.: K8AK-AW2 24VAC/DC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Current
-
1
-
-
SPDT
-
-
-
DIN Rail
-
-
0.1A
5A
-
Overcurrent, Undercurrent
-
-
-
-
-
K8AK-AW
-
100mm
+60°C
+60°C
0.1 → 1 A, 0.5 → 5A
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
-
-
Screw
-
Omron Temperature Monitoring Relay, SPDT, DIN Rail
Omron Temperature Monitoring Relay, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3273Brand: OmronManufacturers Part No.: K8AK-TH11S 100-240VAC

€ 173.03

€ 173.03 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 173.03
Add to basket
Omron
-
-
Temperature
-
-
-
-
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
100ms
-
Overtemperature
0 → 999°C
K8AK-TH
-
100mm
+55°C
+55°C
-
-
-
-
0°C
+999°C
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE, CSA
-
Screw
-
Omron Temperature Monitoring Relay, SPDT, DIN Rail
Omron Temperature Monitoring Relay, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3289Brand: OmronManufacturers Part No.: K8AK-TH12S 24VAC/DC

€ 173.03

€ 173.03 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 173.03
Add to basket
Omron
-
-
Temperature
-
-
-
-
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
100ms
-
Overtemperature
0 → 1800°C
K8AK-TH
-
100mm
+55°C
+55°C
-
-
-
-
0°C
+1800°C
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE
-
Screw
-
Omron Temperature Monitoring Relay, Single Phase, SPDT, DIN Rail
Omron Temperature Monitoring Relay, Single Phase, SPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3270Brand: OmronManufacturers Part No.: K8AK-TH12S 100-240VAC

€ 173.03

€ 173.03 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 173.03
Add to basket
Omron
-
-
Temperature
-
Single
-
-
SPDT
-
-
-
DIN Rail
-
-
-
-
-
-
-
100ms
-
Overtemperature
0 → 1800°C
K8AK-TH
-
100mm
+55°C
+55°C
-
-
-
-
0°C
+1800°C
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CE
-
Screw
-
Omron Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail
Omron Phase Monitoring Relay, 3 Phase, DPDT, DIN Rail
Add to parts list
RS Stock No.: 819-3254Brand: OmronManufacturers Part No.: K8AK-PH1

€ 98.01

€ 98.01 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 98.01
Add to basket
Omron
-
-
Phase
-
3
-
-
DPDT
-
-
-
DIN Rail
-
-
-
-
-
-
Phase Loss, Phase Sequence
0.1s
10 → 55Hz
-
-
K8AK-PH
-
100mm
+60°C
+60°C
-
-
-
-
-
-
-20°C
100 x 22.5 x 90mm
-
90mm
22.5mm
CCC, CE, CSA, cURus
IP20 Terminal Protection
Screw
-
Omron Voltage Monitoring Relay, 1 Phase, SPDT, 1 → 10V ac/dc
Omron Voltage Monitoring Relay, 1 Phase, SPDT, 1 → 10V ac/dc
Add to parts list
RS Stock No.: 819-3286Brand: OmronManufacturers Part No.: K8AK-VS2 24VAC/DC

€ 156.09

€ 156.09 Each (Exc. Vat)

Check stock

1

Available in multiples of 1
1€ 156.09
Add to basket
Omron
-
-
Voltage
-
1
-
1 → 10 V ac/dc, 15 → 150 V ac/dc, 3 → 30V ac/dc
SPDT
-
-
Overvoltage, Undervoltage
-
-
-
-
-
-
-
-
0.1 → 30s
-
-
-
K8AK
-
22.5mm
+60°C
-20 → +60°C
-
-
10 V ac/dc, 30 V ac/dc, 150V ac/dc
1 V ac/dc, 3 V ac/dc, 15V ac/dc
-
-
-20°C
22.5 x 90 x 100mm
-
90mm
22.5mm
-
-
Screw
-
Omron Voltage Monitoring Relay, 3 Phase, SPDT
Omron Voltage Monitoring Relay, 3 Phase, SPDT
Add to parts list
RS Stock No.: 819-3264Brand: OmronManufacturers Part No.: K8AKPW2380480VAC

€ 196.02

€ 196.02 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 196.02
Add to basket
Omron
-
-
Voltage
-
3
-
-
SPDT
-
-
Overvoltage, Undervoltage
-
-
-
-
-
-
-
-
0.1 → 30s
-
-
-
K8AK
-
22.5mm
+60°C
-20 → +60°C
-
-
-
-
-
-
-20°C
22.5 x 90 x 100mm
-
90mm
22.5mm
-
-
Screw
-
Omron Voltage Monitoring Relay, 1 Phase, 2 x SPDT, 20 → 200V ac/dc, DIN Rail
Omron Voltage Monitoring Relay, 1 Phase, 2 x SPDT, 20 → 200V ac/dc, DIN Rail
Add to parts list
RS Stock No.: 819-3309Brand: OmronManufacturers Part No.: K8AK-VW3 24VAC/DC

€ 175.45

€ 175.45 Each (Exc. Vat)

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1

Available in multiples of 1
1€ 175.45
Add to basket
Omron
-
-
Voltage
-
1
-
20 → 200 V ac/dc, 30 → 300 V ac/dc, 60 → 600V ac/dc
2 x SPDT
-
-
Overvoltage, Undervoltage
DIN Rail
-
-
-
-
-
-
-
0.1 → 30s
-
-
-
K8AK-VW
-
22.5mm
+60°C
+60°C
-
-
200 V ac/dc, 300 V ac/dc, 600V ac/dc
20 V ac/dc, 30 V ac/dc, 60V ac/dc
-
-
-20°C
22.5 x 100 x 95mm
-
90mm
22.5mm
-
-
-
-