Siemens 3SB3 Series Push Button, Surface Mount, 22mm Cutout, IP66

Emergency Stop Pushbuttons

This unique portfolio of Siemens 3SB3 series is a modular range of commanding and signalling devices for front plate mounting and rear conductor connection.
The 3SB3 series are round and have a mounting diameter of 22 mm and their actuator is supplied with a holder.
Complete units are offered, but only for the most commonly used applications.
This amazing range has the following standards:
•IEC 60947-1, EN 60947-1, IEC 60947-5-1, EN 60947-5-1, IEC 60947-5-5, EN 60947-5-5 for EMERGENCY-STOP mushroom pushbuttons

Connection methods

These units are available with screw terminals (box terminals), spring-type terminals or solder pins.

The 3SB3 series is made of:

•molded plastic in flat, wound and square design
•metal in round design

They can be mounted by a single person and are climate-proof (KTW 24) to suit industrial applications.
Their main purpose of existence is to act as safety emergency-stop pushbuttons and their switching frequency is approximately 1000 operating cycles.