* The EtraLED-VOS-13020 Vossloh-Schwabe Modular Passive tar LED Heat Sinks are specifically designed for luminaires using the Vossloh-Schwabe LED engines. * Mechanical compatibility with direct mounting of the LED engines to the LED cooler and thermal performance matching the lumen packages. * For spotlight and downlight designs from 1500 to 5000 lumen. * Thermal resistance