If you feel in immediate danger, call 110. Members of the Police are specially trained to deal with these situations and help you get support.
Until the police arrive, seek refuge in a safe place, e.g. or lock yourself in a Room. The police can order your partner to leave the home, and prohibit him from entering the home again for up to 14 days. The police have a duty to record a complaint. For example (Section 223 StGB), rape (Section 177 StGB), coercion (Section 240 StGB), deprivation of liberty (Section 239 StGB) or insult (Section 185 StGB).
If you wish to leave your home by yourselfe: Women's shelters also offer protection in the event of acute threats.