Termostat Mehanicheskij Shema (UPDATED ★)
When the room cools down, the bimetal strip or bellows relaxes and snaps the contacts closed. Electricity flows to the load. Once the desired temperature is reached, the mechanism expands and forces the contacts open, cutting off the heat. ⚖️ Advantages and Disadvantages Advantages Disadvantages
Contacts can arc and degrade over years of use. termostat mehanicheskij shema
Two different metals with distinct rates of thermal expansion are bonded together. As the temperature changes, one metal expands more than the other, causing the strip to bend. This bending physically pushes a contact to break or complete the circuit. When the room cools down, the bimetal strip