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How much do you know about low-voltage appliances in your life?
Release time:
2020-07-24
There are many kinds of low-voltage electrical appliances, and there are many kinds of classification methods.
1. According to the mode of action can be divided:
(1) Manual electrical appliances-electrical appliances that rely on direct external force to switch, such as knife switches, button switches, etc.
(2) Automatic electrical appliances-electrical appliances that automatically act on instructions or changes in physical quantities, such as contactors, relays, etc.
2. According to the purpose can be divided:
(1) Low-voltage control appliances-mainly in low-voltage power distribution systems and power equipment control role, such as knife switches, low-voltage circuit breakers.
(2) Low-voltage protection appliances-mainly in the low-voltage distribution system and power equipment to play a protective role, such as fuses, thermal relays, etc.
3. According to the type can be divided:
Knife switches, knife switches, fuses, low-voltage circuit breakers, contactors, relays, master electrical appliances and automatic switches.
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Related News
Classification of High Voltage Apparatus
2020-08-24
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