Retrofitting 250W HID

It's not hard to find a fixture in a commercial or industrial facility that has a 250 HID light, either MetalHalide or HPS. The problem is these lights consume way too much energy, and are not designed to work with motion sensors. They go on, they go off. And that's it. Here's how you can convert them to LED.

Replacing 250W HID with 75W RetrofitKit

So what is a 75W RetrofitKit? It is essentially a kit containing everything to replace the HID bulb and ballast in an existing fixture. You keep the fixture, you place the lighting 'guts'. To replace 250W HID, we recommend our 75W Retrofit.

This Kit includes a LED Head all the brackets to install the head into the existing fixture. In the above photo, you see one installed in a round canopy light designed to light parking garages. You can see all the parts of the kit: the mounting bracket, the LED Head and the LED Driver.

Installing a kit is quick and easy, remove the bulb, remove the ballast, remove the reflector (don't need it as LED light is directional), and remove the socket that held the old HID bulb.

Once the fixture is gutted, figure out what mounting option works best. There are many options. Mount the driver where the old HID ballast was installed and wire it to the input wires coming into the fixture. Install the head on the bracket, and hook up the driver red and black wires to the LED Head red and black wires. Clean the lens, close the fixture. You are done.

Energy Savings: 75W LED versus 250W HID

Below is a chart showing how much you can save, per fixture, converting from 250W HID to 750W LED. This assumes 12 hours a day operation, 365 days a year.

75 LED Watts replacing 250 Watts for 12 hrs/day 365 days/yr saving 931 kw/year *
Cost per kw/h Savings per year
.06 $56
.08 $74
.10 $93
.12 $112
.14 $130
.16 $149
.18 $168
.20 $186
* includes ballast draw

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