K8AK Series

The Omron K8AK Series Monitoring Relays are designed to provide precise and reliable protection for industrial systems by continuously monitoring voltage, current, phase sequence, phase loss and temperature conditions. 

Built with high accuracy and fast response capabilities, these relays help detect abnormalities in real time, preventing equipment damage and reducing costly downtime. Their compact DIN-rail design and wide power supply compatibility make them easy to integrate into a variety of control panels and automation systems. 

With user-friendly configuration, clear LED indicators and durable construction, these monitoring relays deliver long-term performance and safety, making them a trusted solution for engineers and system integrators seeking dependable equipment protection. 

K8AK Series
Total Pages: 2
Monitoring relay 22.5mm wide, sim. monitoring of over-/under-voltage, phase sequ. & loss in 3phase 3

Monitoring relay 22.5mm wide, sim. monitoring of over-/under-voltage, phase sequ. & loss in 3phase 3

Stock Code: K8AK-PM2
47 In Stock for despatch
£147.70 (exc VAT) per 1
£177.24 (inc VAT)
- +
Monitoring relay 22.5 mm wide, Conductive level control for liquid, 10k to 100k Ohm, One SPDT, 100-2

Monitoring relay 22.5 mm wide, Conductive level control for liquid, 10k to 100k Ohm, One SPDT, 100-2

Stock Code: K8AK-LS1 100-240VAC
Call for availability on 0345 030 60 80
£71.15 (exc VAT) per 1
£85.38 (inc VAT)
- +
Monitoring relay 22.5 mm wide, Conductive level control for liquid, 10k to 100k Ohm, One SPDT, 24VAC

Monitoring relay 22.5 mm wide, Conductive level control for liquid, 10k to 100k Ohm, One SPDT, 24VAC

Stock Code: K8AK-LS1 24VAC/DC
Call for availability on 0345 030 60 80
£71.15 (exc VAT) per 1
£85.38 (inc VAT)
- +
Monitoring relay 22.5 mm wide, over or under temperature, 0-999 °C/F Thermocouple and PT100 inp

Monitoring relay 22.5 mm wide, over or under temperature, 0-999 °C/F Thermocouple and PT100 inp

Stock Code: K8AK-TH11S 100-240VAC
Call for availability on 0345 030 60 80
£130.10 (exc VAT) per 1
£156.12 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, One SPDT, 100-2

Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, One SPDT, 100-2

Stock Code: K8AK-VS2 100-240VAC
Call for availability on 0345 030 60 80
£117.30 (exc VAT) per 1
£140.76 (inc VAT)
- +
Accessory

Accessory

Stock Code: K8AC-H22CC-FLK
Call for availability on 0345 030 60 80
This item is Obsolete
£99,999.99 (exc VAT) per 1
£119,999.99 (inc VAT)
- +
Monitoring relay 22.5 mm wide, over or under temperature, 0 to 1700 °C/F(minimum setting 10 

Monitoring relay 22.5 mm wide, over or under temperature, 0 to 1700 °C/F(minimum setting 10 &#1

Stock Code: K8AK-TH12S 24VAC/DC
Call for availability on 0345 030 60 80
£130.10 (exc VAT) per 1
£156.12 (inc VAT)
- +
Monitoring relay 22.5 mm wide, 3-phase voltage monitoring, over and under voltages, 3-wire mode: 200

Monitoring relay 22.5 mm wide, 3-phase voltage monitoring, over and under voltages, 3-wire mode: 200

Stock Code: K8AK-PW1
Call for availability on 0345 030 60 80
£147.70 (exc VAT) per 1
£177.24 (inc VAT)
- +
Monitoring relay 22.5 mm wide, 3-phase voltage monitoring, over and under voltages, 3-wire mode: 380

Monitoring relay 22.5 mm wide, 3-phase voltage monitoring, over and under voltages, 3-wire mode: 380

Stock Code: K8AK-PW2
Call for availability on 0345 030 60 80
£147.70 (exc VAT) per 1
£177.24 (inc VAT)
- +
Monitoring relay 22.5 mm wide, over or under temperature, 0-999 °C/F Thermocouple and PT100 inp

Monitoring relay 22.5 mm wide, over or under temperature, 0-999 °C/F Thermocouple and PT100 inp

Stock Code: K8AK-TH11S 24VAC/DC
Call for availability on 0345 030 60 80
£130.10 (exc VAT) per 1
£156.12 (inc VAT)
- +
Monitoring relay 22.5 mm wide, over or under temperature, 0 to 1700 °C/F(minimum setting 10 

Monitoring relay 22.5 mm wide, over or under temperature, 0 to 1700 °C/F(minimum setting 10 &#1

Stock Code: K8AK-TH12S 100-240VAC
Call for availability on 0345 030 60 80
£130.10 (exc VAT) per 1
£156.12 (inc VAT)
- +
Monitoring relay 22.5mm wide, temperature monitoring, 24 VAC/VDC, one SPDT

Monitoring relay 22.5mm wide, temperature monitoring, 24 VAC/VDC, one SPDT

Stock Code: K8AK-TS1 24VAC/DC
Call for availability on 0345 030 60 80
£62.35 (exc VAT) per 1
£74.82 (inc VAT)
- +
Monitoring relay 22.5mm wide, temperature monitoring, 100 to 240 VAC, one SPDT

Monitoring relay 22.5mm wide, temperature monitoring, 100 to 240 VAC, one SPDT

Stock Code: K8AK-TS1 100-240VAC
Call for availability on 0345 030 60 80
£62.35 (exc VAT) per 1
£74.82 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, One SPDT, 24VAC

Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, One SPDT, 24VAC

Stock Code: K8AK-VS2 24VAC/DC
3 In Stock for despatch
£117.30 (exc VAT) per 1
£140.76 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, One SPDT, 100-

Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, One SPDT, 100-

Stock Code: K8AK-VS3 100-240VAC
Call for availability on 0345 030 60 80
£117.30 (exc VAT) per 1
£140.76 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, One SPDT,24VAC

Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, One SPDT,24VAC

Stock Code: K8AK-VS3 24VAC/DC
Call for availability on 0345 030 60 80
£117.30 (exc VAT) per 1
£140.76 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, Two SPDT, 100-2

Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, Two SPDT, 100-2

Stock Code: K8AK-VW2 100-240VAC
Call for availability on 0345 030 60 80
£132.20 (exc VAT) per 1
£158.64 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, Two SPDT, 24VAC

Monitoring relay 22.5mm wide, Single phase over or under voltage 1 to 150V AC or DC, Two SPDT, 24VAC

Stock Code: K8AK-VW2 24VAC/DC
Call for availability on 0345 030 60 80
£132.20 (exc VAT) per 1
£158.64 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, Two SPDT, 100-

Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, Two SPDT, 100-

Stock Code: K8AK-VW3 100-240VAC
Call for availability on 0345 030 60 80
£132.20 (exc VAT) per 1
£158.64 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, Two SPDT, 24VA

Monitoring relay 22.5mm wide, Single phase over or under voltage 20 to 600V AC or DC, Two SPDT, 24VA

Stock Code: K8AK-VW3 24VAC/DC
Call for availability on 0345 030 60 80
£132.20 (exc VAT) per 1
£158.64 (inc VAT)
- +
Monitoring relay 22.5mm wide, temperature monitoring and phase squence and phase loss, 100 to 240 VA

Monitoring relay 22.5mm wide, temperature monitoring and phase squence and phase loss, 100 to 240 VA

Stock Code: K8AK-PT1 100-240VAC
Call for availability on 0345 030 60 80
£142.30 (exc VAT) per 1
£170.76 (inc VAT)
- +
Monitoring relay 22.5mm wide, sim. monitoring of over-/under-voltage, phase sequ. & loss in 3phase 3

Monitoring relay 22.5mm wide, sim. monitoring of over-/under-voltage, phase sequ. & loss in 3phase 3

Stock Code: K8AK-PM1
Call for availability on 0345 030 60 80
£147.70 (exc VAT) per 1
£177.24 (inc VAT)
- +
Digital Heater Element Burnout Detector, SSR control, 2 transistor outputs, 2 to 200 A.

Digital Heater Element Burnout Detector, SSR control, 2 transistor outputs, 2 to 200 A.

Stock Code: K8AC-H22CN-FLK
Call for availability on 0345 030 60 80
This item is Obsolete
£99,999.99 (exc VAT) per 1
£119,999.99 (inc VAT)
- +
Monitoring relay 22.5mm wide, Single phase over or under current 10 to 200A AC (External CT required

Monitoring relay 22.5mm wide, Single phase over or under current 10 to 200A AC (External CT required

Stock Code: K8AK-AS3 24VAC/DC
Call for availability on 0345 030 60 80
£114.60 (exc VAT) per 1
£137.52 (inc VAT)
- +
Total Pages: 2