Electrical Classification – Stone texture manufacturer – Marble texture
Electrical divided by function, mainly including the following five categories:
① used to connect and breaking electrical circuits, such as contactors, knife switch, load switch, isolating switches, circuit breakers and so on.
② used to control the electrical circuit, such as electromagnetic starter, auto-decompression starter, rheostat, control relays and so on.
③ used for switching electrical circuits, such as the change-over switch, the main so that electrical appliances.
④ coefficient used to detect the electrical circuit, such as transformers, sensors.
⑤ used to protect electrical circuits, such as fuses, circuit breakers, surge arresters and so on.
According to their role in the circuit sub –
1. Control class appliances: including contactors, switching equipment, control relays, the main so that electrical appliances. Played in the main control circuit, the conversion effect.
2. Protected class appliances: including fuses, thermal relays, overcurrent relays, undervoltage relays over-voltage relays and so on. Play in the circuit protection.
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