This environmentally sealed DC-DC power supply is designed to meet harsh, military environments. It complies with the input voltage requirements of MIL-STD-1275E. It is compact in size, weighs 4.5 lbs, and is natural convection cooled. This military grade power supply is environmentally sealed to IP67 standards, providing significant water resistance and reliable performance in a range of environments. At ACT, we are happy to handle any custom spec requests to meet your specific application needs. Submit a product request with your specification needs.