Jason C. Kempf, 37, of 123 Forest St., New Canaan, was arrested March 25 on a charge of criminal violation of a restraining order.
Police said Kempf violated the order after he texted his ex-wife about 45 times between March 17 and 24, according to the police report.
The victim, who lives in Ridgefield, came to New Canaan police headquarters at 6 p.m. March 24 to report the violation, according to the report. Police then applied for an arrest warrant and Kempf turned himself in about 24 hours later, police said.
He posted $2,500 bond and was scheduled to appear in court March 26.