It is a kind of protection switch, when the power is cut off or below a certain critical point, the power will be cut off and will not restart/turn on by itself after the power is restored.
The most common is the trigger switch of hand tools.
SHANPU CO., LTD.
7FL. No.26 Sec. 2 Guodao Rd.,
Luzhou Dist.,
New Taipei city, Taiwan 24760
Tel: +886-2-89832999 Fax: +886-2-89832789
https://www.shanpu.com.tw E-mail: info@shanpu.com.tw
