The single push button control switch has a simple structure of 1NC/1NO, sensitive response and long service life. The push button switch box is widely used in electrical automatic control circuits. The push button control box is mainly used to manually send control signals to control contactors, relays, electromagnetic starters, etc.

1 NC/1 NO Push Button Switch Specifications

Structure and Dimension (Unit=mm) 

Plastic non water-proof button

Plastic selectable switch

Metal flush buttonMetal selectable switch

Tips: the structure type of the push button switch

The push button control switch can be divided into self-locking type, self-resetting type, rotary handle type, mushroom head type, indicator light type, light symbol type and key type. There are single-button, double-button, three-button and different combinations. They generally adopt a building block structure. They are composed of button caps, return springs, bridge contacts and shells. They are usually made of composite type, with a pair of normally closed contacts and Normally open contacts, some products can increase the number of contact pairs by connecting multiple elements in series. There is also a self-holding button, which automatically maintains the closed position after being pressed, the push button control box can only be opened after the power is cut off.