Omron Temperature Monitoring Relay With SPDT Contacts, 24 V ac/dc

  • RS Stock No. 819-3289
  • Mfr. Part No. K8AK-TH12S 24VAC/DC
  • Brand Omron
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Omron K8AK-TH Monitoring Relays

The Omron K8AK series monitoring relays are expertly designed for accurate and reliable monitoring for industrial facilities and equipment.The K8AK-TH relays are compact and slim, suitable for temperature alarms and monitoring. The relays' intelligent design ensures abnormal temperatures can be monitored and prevented. The relay also comes with alarm status identification LED indicator and self-holding output.

K8AH-TH12S Monitoring Relay.

• Prevents and monitors large and abnormal temperature rises.
• Slim design only 22.5 mm wide.
• Rotary switches makes temperature switching easy.
• Universal input for thermocouple
• Can be normally closed or normally open. NC/NO.
• LED indicator alarm status / Output is retained when the alarm is off.
• Self-holding output.

K8AK-TH12S 24VAC/CD Model.

• Monitoring Relay
• Thermocouple
• Temperature input
• 1 Relay
• Setting Unit 10°C/°F
• Power supply 24 V ac/dc

Features and Benefits.

• Power 2 W max (24 V dc), 4 VA max (24 V ac)
• Sensor input Thermocouple – K, J, T, E, B, R, S, PLII
• 1 x SPDT relay (5 A at 250 V ac resistive load)
• Rotary switch setting (3 switches)
• Green LED Power (PWR)
• Red LED Relay output (ALM)
• DIN Rail Mounted
• Weight 160 g
• Case material PC and ABS, UL 94 V-0
• Colour N1.5
• Protection IP20

What is a Monitoring / Measuring Relay?

A monitoring / measuring relay is a protective control device, various types are available suiting what you wish to monitor. The relays receive input signals then monitor them and then output an alarm signal when a set value is reached (alarm relays). The relays protect your equipment against over voltage and over current faults. Monitoring relays monitor AC power supplies, voltage and current, analogue signals detecting unusual activity in equipment against set alarm thresholds.

Types of Monitoring Relays Available?

• Motor protection relays
• Temperature monitoring relays
• Water level control relays
• Voltage
• Current


UL 61010-1, EN 61326-1, IP 20

Attribute Value
Monitoring Application Temperature
Supply Voltage 24 V ac/dc
Contact Configuration SPDT
Time Delay 100 ms
Temperature Sensitivity Overtemperature
Temperature Sensing Range 0 → 10°C
Series K8AK-TH
Length 22.5mm
Width 100mm
Operating Temperature Range -20 → +55 °C
Dimensions 22.5 x 100 x 95 mm
Minimum Operating Temperature -20°C
Maximum Operating Temperature +55°C
Maximum Temperature Sensed +10°C
Height 95mm
2 In stock for delivery within 1 working days
Price Each
kr 856,00
(exc. VAT)
kr 1 070,00
(inc. VAT)
Per unit
1 +
kr 856,00
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