The single-pole single-throw (SPST) push button switches by Carling Technologies feature a slow-make, slow-break contact mechanism to minimise bouncing and disturbance between contact elements. These Carling switches have a maximum AC rating of 15 amps at 125VAC and a minimum AC rating of 3 amps at 250VAC. They feature a wire lead / screw terminal and a mounting hole of 1 / 2-inch diameter. Carling Technologies switches have an operating temperature range of 32 - 185 degrees Fahrenheit.