Thermal Sensor Relay Module
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Prices updated: 13 Oct 2026
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About this product
A relay module that combines a thermal sensor with a relay output, allowing a connected load to be switched on or off in response to temperature. It suits temperature control projects such as fans, heaters and cooling systems, where the relay handles the load current. The listing gives a relay rating of 250 VAC or 30 VDC at 10 A.
Specifications
- Switching voltage
- 250 VAC @ 10 A; 30 VDC @ 10 A
- Current
- Greater than 150 mA
Frequently asked questions
What supply voltage does this module need?
The listing is inconsistent: the title says 12 V, while the specification says 5 VDC. Check the printed label on the board before applying power.
How do I wire a load to the relay output?
Connect the load in series with the relay contacts (COM and NO or NC, depending on the behavior you need), and keep the load within the 10 A rating. Terminal labels depend on the board, so confirm them on the silkscreen.
