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.
Rotary hammer is a power tool with a rotating machine tool for drilling in masonry, concrete, artificial and stone. It is equipped with a hammer mechanism. The striking energy is independent of operator pressure. Rotary hammers are divided up by weight: light hammer weigh from 1.8 to 3kg; medium hammer from 4 to 5 kg, and heavy hammers from 6 to 12kg.
Hammer Drill,Electric Hammer Drill,Cordless Hammer Drill,Rotary Hammer Drill
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