Tork SS720A - 24 Hr or 7 Day Digital In-Wall Timer - White
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Specifications for this item
|Brand Name||TORK a brand of NSi Industries, LLC|
|Number of Items||1|
|Specification Met||UL listed|
|Style||Digital In-Wall Timer|
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This NSi Industries SS720A digital time switch accepts 120 VAC input and can activate a 15 amp load, and is suitable for use either for individualized daily operation or in random on/off cycle mode. This timer includes seven pairs of on/off set points and has a minimum cycle time of one minute. A rechargeable nickel metal hydride (Ni-MH) battery (included) provides backup power to maintain time and schedule settings. The single-gang in-wall enclosure with white cover plate is suitable for indoor use. This digital timer is Underwriter Laboratories (UL) Listed for quality assurance and is suitable for use controlling lighting.
|Switch type||Digital 24-hour timer with seven unique set points each day of the week|
|Input power supply||120 VAC, 60 Hz, rechargeable Ni-MH battery backup|
|Output contacts||15 amp resistive load rating|
|On/off control||One-minute minimum on/off cycle, up to seven cycles per 24 hours|
|Enclosure||In-wall, white cover plate, indoor use|
|Terminal wire size range||#14 AWG (American wire gauge)|
|Operating temperature range||32 to 104 degrees F (0 to 40 degrees C)|
|Standards met||UL Listed|
Automatic switches are used to turn on or off electrical devices and are activated by time, light, and motion. Time activated switches (also known as timers) operate at preset time intervals during a daily or weekly period and can be either mechanical or electronic. Mechanical timers feature a dial with multiple pins to set the on/off time intervals. Electronic timers feature an LCD display and pushbuttons to set the time intervals. Light activated switches (also known as optical or photo) operate when ambient light levels reach preset values, generally measured in foot candles. Motion-activated switches (also known as motion sensors) operate when an electronic field of a preset range is interrupted. These switches can include energy saving logic that uses combinations of time, light, and motion to operate and can include one or more device outlets or circuit contacts. Automatic switches are used to control indoor lights, outdoor lights, appliances, and small equipment motors.
NSi Industries manufactures electrical components and sensors, lighting products, and energy management products. The company, founded in 1975, is headquartered in Huntersville, NC.
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My unit failed totally at 6 months.
Reference to difficulty in setting is being kind.
There is "NO" memory backup if there is a power loss.
You cannot use anything on the line again until you re-program the timer.
As referenced in other reviews - if you want reliability you better look for another product.
Wish I had reviewed comments before purchasing.
It is very difficult to set the date, time, and programming features. The installer thought it was his stubby fingers (his words). The next day, I tried to set everything. The instructions are clear and easy to follow so I know that's not the problem. The problem is the buttons rarely engage any change. Thinking maybe my fingers weren't depressing the buttons precisely, I used the blunt end of a small hard object to depress the buttons. Still, I wasted a lot of time getting those buttons to move from one thing to the next (such as from day to day, one hour to the next, one minute to the next, program to program). After a very frustrating experience of getting the time set and a couple of programs for on/off cycles, I noticed that the clock on it loses approx 7 minutes per hour.
Exact same problem with the second unit.
Reluctant to try a replacement. Will ask the installer to use a different brand.