3MP Self Hold
The operating principle of the 3MP Self Fold is both simple and effective.
At the heart of the protector is a Klixon® bimetal snapation disc.
When the temperature of this disc reaches its precalibrated temperature it snaps open, resulting in an open circuit.
This temperature is reached during a fault condition, caused by either an increase in ambient temperature, in increase in current flowing thru the disc, or a combination of both.
After the 3MP Self Hold breaks the circuit, the system cools and the 3MP Self Hold automatically resets allowing power to be restored in the circuit.
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Category: Bimetallic Protectors