LED UFO High Bay | 90W to 300W Selectable with Dimming Options
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| Wattage | 90W to 300W depending on version |
|---|---|
| Colour temperature | 5000K, or tunable on some versions |
| Voltage | 100 to 277V |
| Dimming | 0-10V on dimmable versions |
| Form | UFO high bay, round |
- Check the mounting height first - below 12 feet a high bay is the wrong fixture whatever the setting. The beam is too concentrated and people underneath find it harsh.
- Match the setting to the height - 72W to 90W at 12 to 15 feet, 120W to 150W at 15 to 20, 200W to 240W at 20 to 25, 300W at 25 to 35.
- Pick Standard or Pro - Standard suits retail, workshops and light industrial. Pro has a heavier housing for warehouses, manufacturing, heat and dust.
- Plan 0-10V control wiring at first fix - dimmable versions need a separate pair of control wires. Adding them later means going back up to every fixture.
- Set the wattage before it goes up - reaching a fixture at 30 feet to flip a selector means the lift comes back out.
- Design to the light level - 20 to 30 foot-candles for storage, 30 to 50 for manufacturing, 50 to 75 for assembly and inspection.
- Confirm the circuit load for the full fixture count before the first cable goes in.
The round high bay, 90W to 300W
A UFO high bay hangs from the structure and throws a circle of light on the floor below. It is the standard fixture for an open industrial ceiling, and the round pattern suits a square bay or an open floor plate where there is no racking to work around.
Every version in this range is selectable across three outputs, so the light level is set on site once the layout is final rather than guessed at order.
Height decides the wattage
| Mounting height | Setting | Spacing |
|---|---|---|
| 12 – 15 ft | 72W – 90W | 14 – 18 ft |
| 15 – 20 ft | 120W – 150W | 18 – 25 ft |
| 20 – 25 ft | 200W – 240W | 25 – 30 ft |
| 25 – 35 ft | 300W | 30 – 35 ft |
Below 12 feet a high bay is the wrong fixture whatever the setting. The beam is too concentrated at that height and people working underneath find it harsh. Use a linear shop light instead.
Standard or Pro
| Standard | Pro | |
|---|---|---|
| Weight | Lighter | Heavier housing |
| Output range | 90W – 240W | 72W – 300W |
| Suits | Retail, workshops, light industrial | Warehouses, manufacturing, heat and dust |
Light levels to design to
- Storage and aisles — 20 to 30 foot-candles
- Manufacturing floor — 30 to 50 foot-candles
- Assembly and inspection — 50 to 75 foot-candles
- Loading and dispatch — 20 to 30 foot-candles
0-10V dimming needs its own wiring
The dimmable versions use 0-10V control, which is a separate pair of wires alongside the power. Decide at first fix, because adding the control run later means going back up to every fixture.
Set the wattage before it goes up
The selector is on the fixture. Reaching one at 30 feet to flip a switch means the lift comes back out, and on a floor with forty fixtures that is a day nobody costed.
Related
For aisles and racking see our linear high bays. For ceilings under 12 feet, see shop lights.
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