Busch short-term timer insert, flush-mounted installation boxes and inserts, inserts for blind control/time switches, Busch short-term timer insert countdown timer For time-programmed switching of electrical consumers. With control element, without central plate. Minimum timer time: 1 second. Maximum timer time: 9:59:59 hours. Nominal voltage: , +10% / -10% Nominal frequency: 50 Hz Outputs: 1x normally open contact Nominal current: 10 A, at cos 1 Nominal power: 2300 VA Device temperature range: 0 °C to 35 °C IEC 60669-2-1, British Standard EN 60669-2-1