Discount proximity switch, also called non-contact proximity switch, is an ideal electronic switch sensor. Discount Proximity switch is a position switch that can be operated without mechanical direct contact with moving parts. For general stroke control, the positioning accuracy, operating frequency, service life, ease of installation and adjustment and adaptability to harsh environments are unmatched by general mechanical stroke switches.

Models and meanings of discount proximity switch:
The model of discount proximity switch consists of the following parts:
The letter in the first part is the code name of discount proximity switch, which indicates the type of discount proximity switch, such as U for inductive proximity switches, CJ for capacitive proximity switches, and SJ for Hall proximity switches.
The second part represents the structural form of discount proximity switch, for example, M represents a cylindrical shape, B represents a small square, and D represents a common type.
The third part refers to the induction form of discount proximity switch.