Estates, commercial grounds and large residential systems can outgrow a smaller transformer quickly. The CLS TF900 is a 900W multi-tap transformer with a toroidal core and 100% copper windings, housed in 304 stainless steel, with eight output taps from 12 to 22V.
How do I size a 900W transformer for my layout?
Total the wattage of every fixture you plan to connect, then leave headroom so the unit runs well below its full 900 watts. That margin covers future additions. Use the taps between 12 and 22V to make up for voltage drop on longer runs instead of oversizing every cable.
What do the three common ports do?
They give you three separate common terminals, which keeps multiple home runs organized and makes it easier to split a large system into zones. A magnetic circuit breaker on the secondary side trips on shorts and overloads, and the primary side has thermal protection.
Can it run on a timer or a photocell?
Yes. An internal timer socket and a photocell port support dusk to dawn automation, and CLS notes compatibility with WiFi smart plugs for remote scheduling.
Specifications
| CLS part number | TF900 |
|---|---|
| Type | Multi-tap toroidal landscape transformer |
| Rated output | 900W |
| Input | 120V AC, 50/60Hz |
| Output | 12 to 22V AC, eight taps |
| Common ports | Three (triple COM) |
| Core | Toroidal, 100% copper windings |
| Housing | 304 stainless steel, weather resistant outdoor enclosure |
| Finish | Brushed Stainless Steel |
| Dimensions | 8.46″ W x 19″ H x 7.24″ D |
| Protection | Primary side thermal protection; secondary side magnetic circuit breaker |
| Controls | Internal timer socket, photocell port |
Specifications are published by CLS Outdoor Environments and are subject to change without notice. Confirm critical dimensions and ratings with LED Spot before ordering.
Compare all landscape lighting transformers, and match taps and cable gauge to each run with the low voltage wire calculator.
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