Electrical classification - by function

Electrical appliances are divided by function

It mainly includes the following five categories:

1 Electrical appliances used to connect and disconnect circuits, such as contactors, knife switches, load switches, disconnectors, circuit breakers, etc.

2 Electrical appliances used to control circuits, such as electromagnetic starters, auto-decompression starters, varistors, control relays, etc.

3 electrical appliances used to switch circuits, such as transfer switches, main electrical appliances, etc.

4 electrical appliances used to detect circuit coefficients, such as transformers, sensors, etc.

5 Electrical appliances used to protect circuits, such as fuses, circuit breakers, lightning arresters, etc.

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