Chargers and power adaptersConsumer electronics
Thermal cut-out
A long, flat rectangle with a line running through it lengthways and beyond both ends, with a small Greek letter theta above the middle. · also called “thermal cut-out”, “thermal fuse”, “thermal protection”, “theta fuse”
What the Thermal cut-out symbol means
Built-in thermal cut-out
Marks a thermal cut-out: a temperature-operated protective device in the transformer or power supply that breaks the circuit when it gets too hot. The Greek letter theta above the fuse-like rectangle stands for temperature.
Source · Official website Noratel transformer symbols and standards reference sheet · checked
Where it appears
- All brands—This meaning
Questions about the Thermal cut-out symbol
- What does the Thermal cut-out symbol mean?
- Marks a thermal cut-out: a temperature-operated protective device in the transformer or power supply that breaks the circuit when it gets too hot. The Greek letter theta above the fuse-like rectangle stands for temperature.
- What does the Thermal cut-out symbol look like?
- A long, flat rectangle with a line running through it lengthways and beyond both ends, with a small Greek letter theta above the middle. It is also called “thermal cut-out”, “thermal fuse”, “thermal protection” and “theta fuse”.
Checked against the source · · How we verify
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