In the engine coolant, generally completed with automatic power control. The automatic controller serves as a safety to avoid any damage due to movement of the armature and compressor constantly applying pressure. If not equipped with this tool, engine coolant will work continues despite pressure
or the temperature in the pipe having a maximum temperature of temperature. Bimetal is an electrical control device that serves to protect and secure the dynamo (electric motor) of the power supply voltage. Bimetallic work if there is voltage rises too high. At that time the bimetallic immediately disconnects so that the electric motor (dynamo) is not exposed to high flow. If the flow of high-voltage entry into the coil (spoel) without there bimetallic coil currents resulting fire.
Bimetal is made of metal materials that are not resistant high temperature (heat). Bimetallic made a two-layered plate. When exposed to heat, the plate will fold. Plate with one another (combined into one) has a different power of expansion, so that events can be arranged curved. This safety device installed near the socket outlet leading to. Plate heat the bimetal element connected through Nikelin wire (insulated wire). Furthermore, from the heat element is connected to one of the wires to the socket outlet.
How it works is as follows bimetallic safety. If voltage electric current from the source suddenly rose, then the heat element will react. Furthermore, the heat flow through the wire to the plate bimetal Nikelin as a liaison. As a result, the bimetallic plate expands and becomes curved. With curved bimetal, contact with other poles will be open. As a result, the voltage to be broken (no electric current). Dynamo does not work. If the voltage of electricity from natural sources (not high), then the elements of the usual hot work, electric discharge. Bimetallic plate remains straight and occurred connection (contact) between the poles with each other. Here dynamo gain energy from the electric current.
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