Traditional Culture Encyclopedia - Hotel franchise - Hotel room switch
Hotel room switch
First of all,
Just one kind, the so-called variety is 16A, 32A and so on. , which is different from the appearance. (16A and 32A, respectively, choose what you need according to the load of the equipment you use, that is, "current". ) Correctly speaking, it is called "plug-in card to take electrical appliances", which is mainly used for lighting facilities in hotel rooms, and there are few control sockets. Let me briefly introduce its principle. The structural control of electrical appliances is integrated, and there are 3 or 4 terminals behind the panel. Say it in vernacular. "Three Eyes" has two eyes connected with 220v power supply from the electric box. After the power supply comes in, it passes through semiconductor components (capacitors, resistors, diodes, thyristors, transformers, etc.). ) and control the start and stop of the relay through the light control tube display lamp on the panel. There are two contacts on the relay, one is the incoming "phase line" and the other is the outgoing line with three L eyes. (the zero line of the facilities in the room is directly connected to the electric box),
in addition
"One of the four terminals is grounded."
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