Why are there two levels of limit switch

Limit switch is used for X-ray machines to control static imaging and X-ray exposure to help doctors stay away from radiation.
Newheek x ray hand switch is divided into one gear, two gear and three gear.

In order to prevent exposure from being triggered by mistake, the limit switch is designed with two levels.The first gear of two archives hand brake is preparation exposure, when the doctor touches button carelessly, can prevent exposure happening, reduce radiation dose.Two gear hand brake is equipped with bracket.
There are L01, L02 and L04 types of limit switch for Newheek.
Our limit switch can meet the needs of different customers.