Reactor

A reactor, comprising:

• an assembly formed by assembling a coil and a magnetic core, the magnetic core including an inner core portion to be arranged inside the coil and an outer core portion to be arranged outside the coil;
• a case for accommodating the assembly inside, the case including a bottom plate portion, the assembly being placed on the bottom plate portion, a side wall portion for surrounding an outer periphery of the assembly, and an opening,
• a grip member for sandwiching the assembly from the bottom plate portion side and the opening side inside the case;
• and
• a screw member for fixing the grip member to the bottom plate portion by penetrating into the case from outside of the bottom plate portion,
• the grip member including:
• a first piece to be held in contact with a surface of the assembly on the opening side;
• a second piece to be held in contact with a surface of the assembly on the bottom plate portion side;
• and
• a third piece connecting the first piece and the second piece in a depth direction of the case.