Shin Chin Pushbutton Switch R13-551 offers 50mΩ contact resistance, a dielectric strength of 1500VAC at 1 minute, and frames are constructed of nylon with glass fiber (UL flame: 94V-0) and terminals are silver plated brass. The Shin Chin R13-551 Pushbutton Switch series is rated 6A 125VAC and 3A 250VAC.