Timer, Off-delay SK 7819 Time-dependent controllers Features . Power OFF-delay relay according to EN 61812-1 . No-voltage safe . 1 changeover contact . Delay of 0.05 ... 300 s . Wide voltage range . Repeat accuracy ≤ 1 % . LED indicator for operation . Devices available in 3 enclosure versions: IK 7819: Depth 58 mm, with terminals at the bottom for installation systems and industrial distribution systems according to DIN 43 880 SK 7819, BC 7938N: Depth 98 mm, with terminals at the top for cabinets with mouning plate and cable duct . IK/SK 7819: width 17.5 mm BC 7938N: width 22.5 mm Technical specifications Width: 17,5mm Enclosure design: Switch cabinet Output contacts: 1 C/O contact Nominal voltage: AC/DC Time function(s): Off-delay, without control signal Type: SK 7819 Time range: 0,05 s - 300 s Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: SK7819.81 AC/DC110-240V 0,15-3S Art. No.: 0054741