1. 3SU1900-0BC31-0NB0 is a Siemens discrete firm and flush mounted pushbutton.
2. The pushbutton is suitable for 30mm mounting and is made from plastic material with a black insert.
3. The 3SU1900-0BC31-0NB0 is equipped with a Momentary function and has two contact blocks with one normally open contact, one normally closed contact and a 2-pole terminal block.