MS Pushbutton Switches Well Buying MS Pushbutton Switches offer a 30VDC contact rating, 100MΩ insulation resistance, and 10,000 cycles of operating life. These switches feature a 0.3A current rating, one- and two-pole circuit options, and an operating temperature range of -40°C to +85°C. Well Buying MS Pushbutton Switches are suitable for home electronic equipment, industrial equipment, audio systems, ADSL modems, and wireless AP applications.