Sonachron Signal Control (DWA-S)Click Image to Enlarge The Sonachron Signal Control and Program Timer is ideal for schools and industry. The Sonachron is a dual-purpose, single circuit program timer, ideal for signaling horns and bells or for controlling the On/Off status of electrical devices such as HVAC or appliances. A huge asset for your building's GREEN efforts. The Sonachron is user-friendly, with a front-mounted keypad that lets you program the exact minute and weekday(s) of each event.
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