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Low-voltage electrical classification

 
A wide range of low-voltage electrical appliances, there are many ways to categorize.
 
1. Press action can be divided into:
 
(1) Manual electrical appliances - electrical appliances that rely on direct manipulation of external forces, such as knife switches, push-button switches, and the like.
(2) Automatic electrical appliances - electrical appliances that rely on commands or changes in physical quantities to act automatically, such as contactors, relays, etc.
 
According to use can be divided into:
 
(1) Low-voltage control electrical appliances - mainly in the low-voltage power distribution systems and power equipment play a controlling role, such as knife switch, low voltage circuit breakers.
(2) Low-voltage protection appliances - mainly in the low-voltage distribution systems and power equipment play a protective role, such as fuses, thermal relays.
 
According to the type can be divided into:
 
Knife switch, blade switch, fuse, low voltage circuit breakers, contactors, relays, the main electrical appliances and automatic switches, etc.
 

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