Low Voltage 12 Volt Transformers With Photo Cell For Outdoor Lighting Fixtures -- TJB-INC Shopping Cart
$69.98
-- Several Sizes & Style Available: 60 Watt - 600 Watt
Low-Voltage 12-Volt Transformers With Photo Cell
We Sell Three Name Brands: Hampton Bay, Malibu & ADI
- Old style mechanical timer has been replaced by more reliable photocell.
- Set desired on time in 2, 4, 6, 8 hour intervals after sunset. No need to adjust for time changes, or seasonal changes of sunset.
- Does not need to be adjusted to reset after power outages or daylight savings.
- The ADI 150 & 300-watt include 25' of Low-voltage wire!
- UL listed for outdoor installations and mounting
Several Sizes & Style Available:
- ADI 60-Watt (7"L x 3 1/2"H x 3 1/2" W)
- ADI 150-Watt (6 3/8" L x 3 1/2" H x 4 3/8" W)
- ADI 300-Watt (9 3/8" L x 4 7/8" H x 4 11/16" W)
- Hampton Bay 300-Watt with 5' remote photocell & HI-LO Taps for multible length wire runs.
- Hampton Bay 600-Watt with 5' remote photocell & Dual HI-LO Taps (300-watts each) for multible length wire runs. (9 1/8" L x 2 3/4" H x 6" W)
- Malibu 100-Watt Programable Power Pack (Not for Submersible Fixtures)
To view the written ADI Transformers Instruction Manuals (English & French) in a Down-loadable PDF file that can be printed, click on the link "60-Watt", "150-Watt", & "300-Watt"
Note: The latest 100-Watt power pack offering from Malibu includes many all new user friendly features and convenient controls for simplified operation and programming. This Power Pack turns on at dusk rather than a set time, which means you don't have to re-set the times when daylight savings time starts or ends. Choose from dusk-to-dawn, or dusk to any of 9 other dusk-on/time-off settings.
- Easy-to-use controls - No timer trippers to lose!
- Safe, convenient low voltage power source
- Impact resistant plastic housing
- 100W electronic power pack with integrated photo control
- Not for use with submersible luminaries
- Light weight, air cooled housing design
- Two buttons and large LCD display allow for quick and easy programming
- Tool-less cable connection featuring large knurled knobs for fast, secure cable connection
- 10 light sensitivity settings allow you to adjust the available light level required to turn the power pack on or off.
- 5-Year Limited Warranty
| Voltage Loss for low voltage lighting for landscape systems |
How to use large transformers:
First of all there are three important facts to consider before loading any transformer.
- Total Load (add wattage from all fixtures)
- Distance (length of wire run)
- Wire Gauge (thickness of copper wire)
All three must be considered when designing a low-voltage system system.
Larger transformers need to be used in a manner that will allow all lighting fixtures on a specific run to evenly illuminate. In some cases there will need to be more than one line out from the transformer.
An example of a system using 2 output lines from the transformer would be as follows:
- (Line 1) 12 gauge wire with a 150 watt load extending a total of 43’ from the transformer
- (Line 2) 12 gauge wire with an additional 150 watt load extending 68 feet from the transformer, with the first fixture starting at 43’ from the transformer. The two different wire runs would attach to the same place on the transformer.
The 600 watt transformer has two 300 watt outputs. Use these 2 separate outputs to split the load instead of trying to run 600 watts on one run. If the loads are not split the system will not work. The 900 watt transformer has three 300 watt outputs.
|
Maximum recommended wattage load & distance from the transformer before having additional voltage drop below the minimum recommended 10.5 volts.
|
Wattage Load |
50W |
100W |
150W |
200W |
250W |
300W |
|
|
|
|
|
|
|
| 14 ga. |
81' |
40' |
27' |
20' |
16' |
13' |
| 12 ga. |
129' |
65' |
43' |
32' |
26' |
21' |
| 10 ga. |
204' |
102 |
68 |
51 |
41 |
34 |
| 8 ga. |
317' |
158' |
105' |
79' |
63' |
52' |
* Note: Min. Volts on the load is 10.5V @ 20 ° C; Distance in feet
Example: If you plan to run (5) 20-watt fixtures (100-watts total) that are going to be located 50' from the transformer, then you will need to use 12 gauge wire for a single wire run. If you split the lights into 2 groups, then you would run 2 lines of 14 gauge cable and not have any line loss of power.
|
Low-voltage, systems have several advantages for the home owner: Most important, low-voltage equipment is easier to install. Except for the transformer that's connected to a 120-volt circuit, the entire system runs on harmless 12-volt current. Low-voltage wiring is lightweight and can be laid on the ground or buried just below the surface. Another advantage of low-voltage equipment is that it can be relatively inexpensive. And, when you do the job yourself, the bottom line for low-voltage looks even better. Not only can the capital outlay for a standard high-voltage system be much greater, but you may need to hire a pro for part or all of the installation.
You must size your low voltage transformer to match the combined wattage of the lights or lamps to which the transformer is to supply power plus approximately 25% more for the line.
Sizing your Transformer Example: If you buy a system that comes with six fixtures and each fixture has a 12 watt lamp, then you have a minimum need of 72 watts (12 x 6 = 72). The line itself degrades the wattage as well so as a general rule of thumb you will need to increase it by 25% more. Therefore you'll need at least a transformer that can handle about 90 watts. So a 100 watt transformer would be the minimum needed. If you plan to add additional fixtures in the future, you may want to increase the wattage of the transformer or purchase additional transformers as needed. Keep in mind that the voltage drop over long distances is more pronounced in a low-voltage system, therefore, using wire that's too light (skinny) can affect the output at the lamps and this may adjust the wattage need of your low voltage transformer.
TJB-INC INSTALLATION TIPS
- When running low voltage wire, try to keep the length of the wire run from the transformer to the lights less than 100' and put no more than 100 watts of draw per run. If your lights look dim and yellow or orange, this is a sign that they are not getting enough power. It could be you overloaded the wire run with too many light fixtures, the wire size could be too small, and/or the transformer is being over-worked because it is too small for the amount of lights it is powering. You could also try using bulbs with less wattage and see if that helps first. If not, then you will need to redesign your layout with larger guage wire and larger transformers. If you have multible runs of wire, choose a transformer that has multible power taps. Use the HI setting for the long runs, and the LO setting for the shorter runs. This should help with the power loss you were experiencing.
- At TJB-INC, anytime we are doing an installation with a moderate to long run of wire, we use the 12/2 gauge wire to be safe. If we are just going around a small to medium pond, we will use the 16/2 wire as long as the wattage draw from the bulbs does not go over 100 watts.
- SKU: Photo-Cell Transformers
- Wattage of Transformer =: ADI 60-Watt Photocell Transformer; ADI 150-Watt Photocell Transformer w/25' LV wire; ADI 300-Watt Photocell Transformer w/25' LV wire; Hampton Bay 300-Watt with Remote Photocell; Hampton Bay 600-Watt with Remote Photocell; Malibu 100-Watt Programable
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