She appeared briefly in Waitakere District Court this morning and was remanded on bail until March.
Speaking outside court, Van Breugel's lawyer Christopher Wilkinson-Smith said she would defend the charges.
Police launched their investigation on behalf of the Coroner, who requested they review the assault and "culmination of events'' that led to Mr Bain's death.
It is understood Van Breugel and Mr Bain were in a relationship.