Roof fan, cut-out: W: 292 mm, H: 292 mm, RAL 7035, IP54, air flow: 550 m3/h, Ue AC: 115 V System air conditioning SIVACON 8MF / 8MR - for climate in the cabinet. The system air conditioning meets specific requirements. SIVACON 8MR ensures the trouble-free operation of the electrical and electronic devices installed in the cabinet even under adverse environmental conditions. Among other things, it prevents condensation or frost damage and protects against resulting malfunctions. The portfolio ranges from filter fans to cooling and heating devices to thermostats. Alternatively, ventilated cabinets, in which the system air conditioning is ensured by natural convection, can be used in operating rooms. www.siemens.de/sivacon-8mf. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.