What penalties are envisioned for offences related to threat driven voter coercion?

Swiss Criminal Code od 21 December 1937 (Status as of 1 July 2013)

http://www.admin.ch/ch/e/rs/3/311.0.en.pdf

Article280. Any person who by the use of violenceor the threat of seriously detrimental consequences prevents a voter fromexercising his right to vote or to sign a petition requesting a referendum orinitiative, and

anyperson who by the use of violence or the threat of seriously detrimental consequencescoerces a voter into exercising his voting rights or into voting in aparticular way,

isliable to a custodial sentence not exceeding three years or to a monetarypenalty.