PVA Short Stroke Key Switches C&K Switches PVA Short Stroke Key Switches are momentary, push-push switches with two contact arrangements, DPST and DPDT. With a compact design and short stroke to latch, the PVA Switches total height is 17.5mm. Operating force for the PVA1 is 1.2N and for the PVA2 it is 1.7N. The PVA components are adapted for medium power applications such as automotive air conditioning and lighting, video, remote controls, and electronic games. The PVA switches are RoHS Compliant and compatible.