The M3786/4-0030 is a multi-deck rotary switch from the Series 42/44 family, qualified to the military specification MIL-DTL-3786/4 (SR04-1). It features a rugged construction with diallyl phthalate molded parts, silver alloy contacts, and solder lug terminals. Depending on the specific style, it is qualified for operating temperatures ranging from -65°C up to 125°C and is available with multiple angles of throw including 30°, 36°, 45°, 60°, and 90°. This switch is designed for a long mechanical life of 100,000 cycles and can continuously carry 10 amps, making it suitable for demanding military and industrial equipment where reliability and durability are critical.