MR50 Series

The MR50 rotary selector switch from Elma is a highly reliable and rugged selector switch offering an IP68 rating in a miniature body of just ½ an inch in diameter. Available in 10, 12 and 16 selector positions in both shorting and non-shorting modes. The MR50 has a stainless steel 1/8th Inch diameter shaft which will fit a large variety of plastic and metal knobs and offers a choice of 3 or 6 switching torques. The MR50 has a minimum mechanical rotary life of 20,000 cycles and is electrically rated to 200mA at 28VDC resistive. The internal contacts are also gold plated providing better low voltage connections and the terminations are Nickel-Tin plated allowing be both hand or wave soldering thereby helping to decrease installation time. Due to its robust nature and operating temperatures of -45°C to +85°C the MR50 is perfect for demanding applications such as: Two Way Radios, Medical and Testing Equipment, Military Targeting Devices, Night Vision Devices and Cockpit Applications in Aviation, Automotive, Marine and Off-Highway Vehicles.