TRACO Power TEN WIRH DC/DC Railway Converters consist of five power levels covering 3W to 40W and provide reinforced 3000VAC I/O isolation for high reliability in harsh environments. These railway-certified DC/DC converters utilize a proven and certified design that resists thermal shocks, mechanical shocks, moisture, and vibration. The TEN WIRH series are Railway EN 50155 certified, EN 45545-2 certified for fire behavior, and IEC/EN/UL 62368-1 safety approved for IT equipment. Other features include a fully encapsulated package, internal EN 55032 class A EMI filter, and remote on/off function. TRACO Power TEN WIRH DC/DC Railway Converters have an overall operating temperature range of -40°C up to +95°C without derating (depending on the series).