The M3786/4-0878 is a multi-deck rotary switch qualified to the military specification MIL-DTL-3786/4 for high-reliability applications. It is designed to make and break loads such as 250 mA at 28 Vdc resistive and can continuously carry 10 amps. The switch features wiping contacts made from a silver alloy with over 150 grams of contact force, housed in a diallyl body. Depending on the specific style, it is qualified for operation in temperature ranges from -65°C up to 125°C. With a mechanical life expectancy of 100,000 cycles, this switch provides durable and reliable performance suitable for military equipment and other critical systems.