Industry’s First Temperature-Sensitive Heated LED Lighting

TLL75 Series LED flood beam work lights and STL13 Series 4-inch round LED stop, turn, tail lights just in time for winter weather. The TLL75 Series LED flood beam work light is also being offered with an amber lens that is less reflective in snowy environments.

Some heated LED lighting units use resistors to heat themselves, and as long as the light is on, the lights continue to generate heat. Because heat affects LED lifespan, and because these lights are exposed to excess heat year-round, their service life can suffer and the warranties are usually strictly limited.  

A solution to this issue are the TLL75 Series LED flood beam work lights and the STL13 Series 4-in. round LED stop, turn, tail lights. These LED lights only turn on heat when necessary by using smart, programmed microprocessors that only start heating when temperatures drop below 50°F (10°C) so they're ready to melt snow and ice. As the environment begins to warm, the lamps stop heating.

These heated lamps begin the heating process at the core of the lamp, at the level of the circuit board. The heat then emanates throughout the lamp, quickly warming the entire body of the lamp, including its housing. They employ a solid-state, surface-mount device (SMD) design that protects their electronics, including their heating elements, against moisture, shock, and vibration.

The TLL75FHHB work light features a raw 4,500 lm output and an effective lumen output of 2,800, while the TLL75AHHB work light offers a 2,300 raw lm output and an effective lumen output of 2,000. Both lamps are IP69K rated and come with heavy-duty, powder-coated, die-cast aluminum housings and polycarbonate lenses and stainless steel mounting hardware. The lamps are compatible with 12 and 24V electrical systems and are available in bulk and polypack packaging.

The STL13 Series 4-in. round LED stop, turn, tail light features seven diodes and a polycarbonate lens with an ABS housing. The grommet-mounted light comes with a PL-3 molded connection.

Color White Yellow
Diodes 5
Lumens 4,500/2,800 2,300/2,000
Mount Post
Connection Hard Wired
Pack Quantity 1
Housing Material Aluminum
Lens Material Polycarbonate
Voltage 12 to 24V
Warranty Lifetime LED Warranty
Size/Shape Square
Dimension 5 x 6 x 2 in. (W x H x D)


Optronics International
Tulsa, OK
(800) 364-5483

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