There are many types of low-voltage electrical appliances, and there are many classification methods.

1. According to the action mode, it can be divided into:

(1) Manual electrical appliances-electrical appliances that rely on external force to directly operate 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, it can be divided into:

(1) Low-voltage control appliances-mainly play a control role in low-voltage power distribution systems and power equipment, such as knife switches, low-voltage circuit breakers, etc.

(2) Low-voltage protection appliances-mainly used for protection in low-voltage power distribution systems and power equipment, such as fuses, thermal relays, etc.

3. According to the type can be divided into:

knife switch, knife changeover switch, fuse, low voltage circuit breaker, contactor, relay, main electrical and automatic switch, etc.