An actuator includes a solenoid including a coil and a plunger, a switch circuit coupled to the coil, and a control circuit coupled to the switch circuit. The control circuit is configured to receive a feedback signal representative of a plunger position. The control circuit is also configured to provide power to the solenoid via the switch circuit and reduce power to the solenoid via the switch circuit in response to the feedback signal being representative of the plunger being in a full travel position.

A drive coil device, in particular for an oscillating armature pump, includes at least one coil carrier, further includes at least one coil wire that is wound onto the coil carrier to form a coil, and at least one coil enclosure configured to at least partly enclose the coil, wherein the coil enclosure comprises at least one contact interface which is configured to receive at least an end of the coil wire.