ORIGINAL
The temperature detection part is the metal body. If the temperature reaches the specified value, the fan will work (in the picture H85 degrees).
KSD-01F H 85°C
Normally Open
There are two types: H and D.
H is Normally open
D is Normally closed
H will connect the circuit when the temperature reaches the specified value.
D will cut the circuit when the temperature reaches the specified value.

