NSI Industries TORK DZS400BP 20-Amp, 365/7-Day, Astronomic Digital Timer - 99 On/Off Settings - 4 (SPST) Channels - Multi-Voltage, Controls Indoor/Outdoor Lighting, HVAC, Signage, Motors, Horns/Bells
This NSi Industries DZS400BP digital time switch accepts 120/208-240/277 VAC input and its SPDT output contacts can activate a 20 amp load or 2 hp motor on each of four channels. This multipurpose timer includes 99 pairs of on/off set points, has a minimum cycle time of one minute, and is suitable for individualized daily operation. A rechargeable super capacitor provides four days of backup power to maintain time and schedule settings. A removable memory model retains and transfers the schedule to another DZS series unit. This 365-day timer can adjust for daylight saving time and leap year and compensate for sunrise and sunset variation based on Earth's latitude. The single-pole double-throw (SPDT) contacts are housed within a Noryl plastic alloy enclosure that meets NEMA-3R standards for water resistance and has a lockable hasp. The enclosure is suitable for both indoor and outdoor use and mounts to an external surface. This digital timer is Underwriter Laboratories (UL) Listed and Canadian Standards Association (CSA) certified for quality assurance and is suitable for controlling lighting, heaters, and equipment motors.
| Switch type | Digital 7-day, 24-hour timer with 99 unique set points each day of the week. Four channel operation. |
| Input power supply | 120/208-240/277 VAC, 50/60 Hz, 6 W power consumption, rechargeable super capacitor backup |
| Output contacts | SPDT contacts, 20 amp load rating, 1 hp motor load rating |
| On/off control | One-minute minimum on/off cycle, up to 99 cycles per 24 hours, removable memory module |
| Enclosure | NEMA-3R Noryl plastic alloy enclosure with clear Lexan cover, indoor/outdoor use, external surface mount |
| Terminal wire size range | #12 to #16 AWG (American wire gauge) |
| Operating temperature range | -40 to +158 degrees F (-40 to +70 degrees C) |
| Standards met | UL Listed, CSA certified |
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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