To provide a power conversion device wherein loss and noise are reduced by suppressing recovery current.

Coils are inserted in series between a third semiconductor switch Q3 and a fourth semiconductor switch Q4. The section between a coil and the third semiconductor switch Q3 and a second direct current terminal 12 are connected with each other through a second path second diode D8. The section between a coil and the fourth semiconductor switch Q4 and a first direct current terminal 11 are connected with each other through a second path first diode D7. When the switch S4 is turned on, current is not passed through an associated diode D3 and is passed through the second path first diode D7 as a high-speed diode. When the switch 3 is turned on, current is not passed through an associated diode D4 and is passed through the second path second diode D8 as a high-speed diode. This reduces the influence of recovery and loss as well.