LED High Bays dramatically reduce energy consumption compared to traditional HID High Bays. Simply replacing high bays on a 1:1 bases can easily save between 50-75% in energy costs.
Dimmable LED High Bays maximise those savings even further by only providing the amount of light required for the area at the time of day and not over-illuminating a space or having lights on when there is nobody around.
Dimming LED High Bays is commonly done in 2 ways:
Manual dimming control - This can be done by controlling each individual circuit with a 1-10V dimmer and dimming switch. The switch can be controlled at the switch or via a centralised control point.
Automated dimming control - The easiest and very effective way of automating the dimming function is to use dimmable LED high bays with integrated or separate sensors in order to detect occupancy or natural light in the area and to automatically adjust the light output accordingly. The sensors can be easily programmed in a wide variety of ways to have the light levels and timing delays at the optimal settings for the location and application.
Alternatively, automatic dimming can be set through timing or daylight harvesting via a centralised automation system however this is usually very expensive to do, particularly for existing buildings where a lot of reticulation will be required.
Brightness or Efficiency Options - The brightness of the floodlight is determined by the lumen output (lm). The efficiency of the light is determined by how much light is delivered per watt of energy consumed. This is measured by lumens per watt (lm/w). A 120lm/W 150W LED High Bay will provide 18,000lm and a 150lm/w 150W LED High Bay will provide 22,500lm. That is a considerable 4,500lm difference in light put for the same 150W consumed!
Beam Angle Options - Wider beam angles will cover a greater area but the concentration of light will be less. Narrow beam angle options will focus the light to shine further but not spread the light as wide. The most common beam angle used for LED high bays is 90deg as it provides a good balance of spread and concentration. We do have narrower and wider beam angles available to suit any project.
Colour Temperature Options - The colour temperature preference of the LED high bays is very selected but typically speaking: 5000-6500K colour temperatures are more commonly used for factories and warehouses. 4000K colour temperatures is more commonly used in commercial spaces. 5000K seems to be the most common colour temperature specified for high bay projects nowadays as it most closely mimics natural daylight at our latitude.
Warranty Options - Longer lifespans and warranties are normally preferred for LED high bay installations because they are often difficult to access without special equipment. 5yr warranty high bays typically have a rated useful lifespan of 50,000 hours and 3yr warranty high bays typically have a rated useful life span of 30,000 hours. Select the option that best suits your long-term performance or budgetary needs.