The Sonachron is a multi-purpose, single circuit program timer, ideal for signaling horns and bells or for controlling the On/Off status of electrical devices. An internal battery retains memory and timekeeping during power failures lasting up to as long as 7 days. The user-friendly front-mounted keypad lets you program the exact minute and weekday(s) of each signal or control event.
An optional dip switch can be set for operating the unit as a control device. As a control device, you can control the On/Off status of electrical devices such as HVAC and appliances according to your schedule. A huge asset for your building's GREEN efforts.