The 1FT7 motors are permanent magnet synchronous motors with highly compact dimensions. They meet the most stringent demands on precision, dynamics and speed setting range as well as on high degrees of protection and ruggedness. The motors are fitted with the latest encoder technology and are optimized for operation with our fully digital drive and control systems. Natural, external or water-cooling are cooling types that can be selected. In the case of natural cooling, the developing thermal loss is drawn off via the surface area whereas an attached fan forces thermal loss away with external cooling. Maximum cooling - and, therefore, maximum performance - can be achieved with water-cooling.