An actuator, a release device, and a method of actuating a release device are provided. The actuator comprises a housing defining a first path; an actuating element disposed within the first path, the actuating element being made from a shape memory alloy having a transition temperature, the actuating element being configured to couple with a power source, at least portion of the actuating element being further configured to not change shape when the power source applies a first current for a predetermined amount of time and moves at least a portion of the actuating element from the first position to a second position when the power source applies a second current; and a heat transfer material disposed in the first path between the actuating element and the housing.