Fire-resistant, vertically sliding, electrically operated sliding window which is suitable for either indoor or outdoor installation. The sliding window has a powder coated (white is standard) steel frame. The SV-E60 model is specially designed for installations in which demands are made on fire resistance class E15 - E60. The sliding window is provided with 6 mm Pyran S fire resistant glass. The sliding window is equipped with a safety latch which prevents the window from dropping in the event of an accident. The SV-E60 is automatically locked in the closed position. The sliding window is operated by means of a control box or foot switch.