They come in standard 24 hour 7 day and.
Astronomical time clock with photocell.
Now we no longer need the photocell because this astronomical timing device turns on the lights everyday at sunset it knows when the sun sets in its zip code location and turns.
Previously i was using the old clock timer mechanism in series with a photocell control because we didn t need our parking lot lights for illumination past midnight.
Imo photocells are killed by overloading most times.
10pm 12am 2am etc.
As for contactors motor contactors are limted to 3 poles we usally use lighting.
Trumpy an astronomical clock is a time clock which compensates for the changing sunset time.
Previously i was using the old clock timer mechanism in series with a photocell control because we didn t need our parking lot lights for illumination past midnight.
Intermatic is the market leader in energy controls.
Now we no longer need the photocell because this astronomical timing device turns on the lights everyday at sunset it knows when the sun sets in its zip code location and turns.
You can also set the timer to turn the system back on in the morning say around 5am so that you can appreciate it when you wake up.
Tork 30 amp 120 277 volt astronomic indoor outdoor time switch model ewz201c 166 70 166 70.
Simple reliable solutions for any location.
The photocell can be used at dusk to turn on the system while the timer turns it off at a desired time.
From programmable time controls to photocontrol sensors to weatherproof covers intermatic offers the most robust lineup.
These timers will allow for up to the minute programming battery backup for power loss up to 28 events total and automatic daylight saving time corrections without the need of user interaction.
But electures description of wiring the clock and photocell in paralell is a nice way to go if you can.
This series offers an easy way to upgrade from a basic mechanical time switch to an electronic time switch.
New mytouchsmart 6 hour outdoor photocell stake timer with 6 grounded outlets 6 ft cord model 48708 19 99 19 99.
24 hour 7 day 365 day astronomic and cycle timers for precision control of large and small scale lighting pump fan farming applications and more.