That will protect your TV and your wiring. Circuit breakers and relays
Circuit breakers
Often seen amateur prevailing view that the circuit breakers are designed to keep the appliances included in the network. Unfortunately, this is not so, Machines nachhat little things they designed to protect the wiring (line) and any load on the line is perceived as an unfortunate misunderstanding, which spoils their lives and makes us work.
They are happy to disconnect the line when the device is broken, for example, shorted (short-circuit) or corresponds to the power at which they were calculated and posted.
I.e overloaded circuit triggered thermal release assembled on the basis of the bimetallic plate, and if short circuit, the overcurrent protection will perform electromagnetic release Solenoid (a kind of inductor).
voltage relay
Voltage relay is a watchdogGuarding your precious electrical appliances, it is important and a TV, and a computer, all trying to save, as if he was buying. It arranged thus, to turn off the voltage above and below her lined with border.
I.e if on the line something happens and to visit you will want to look into 380V voltage and regale appliances designed for 220 V, the this device such a guest in the house is not empty, arranging off line.
Structurally relays are executed as stationary (used in shields) and a separate unit, connected to a socket (portable).
RCD
This Emergency circuit breakers - your guardianWho zealously checks for leaks in the lines, that there was no fire and you do not electric shock.
It should be remembered that "Test" button installed on it not for beauty, and for a monthly check of its performance, do not be lazy once a month to press her. If the RCD is tripped, it must be replaced.
To summarize
- Circuit breaker to save the line (wiring)
- voltage relay to protect against voltage surges
- RCD - Protection against electric shock and fire safety
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