TOPP electric actuator model C240 with double link chain, enclosed in an elegant extruded aluminum casing with length, on request, from 1200mm to 4000mm, complete with support and accessories for top or bottom hinged windows. Functions at 230V~50Hz, or alternatively, at 24V DC. Maximum applicable load 400N. Rapid fastening to the window. Standard stroke 360 mm (special strokes on request). The device is marked with the CE seal.