SRKR - small-sized roof fan Small-sized roof ventilator with upward flow discharge. SRKR are used in stationary exhaust ventilation systems of public, residential, administrative and industrial buildings for operation without a network or with a short network of ducts. They are installed on the roof of buildings. These fans are favourably distinguished by their low energy consumption due to their high efficiency. General information - Single or three-phase drive motor - Housing material: galvanised steel - Working voltage: single-phase 1~230V three-phase 1~400V - Motor protection degree - IP 54 Advantages - Built-in thermal contacts for motor protection - High efficiency level - Low power consumption - Warranty: 24 months Purpose Supply and exhaust ventilation systems for industrial, public and residential buildings. Operating conditions - The fans are operated in moderate climate conditions of the second category, according to GOST 15150-90 - They are intended for movement of non-explosive gas with temperature not exceeding 60 °С. - The permissible ambient temperature is from -40 °С to +40 °С.