Check the listing for details. Hubbell Thomas Research Products 40W Constant Current Dimmable LED Driver. Condition: New. Listed at 41.77 USD. Hubbell Thomas Research Products 40W Constant Current Dimmable LED Driver Hubbell Lighting Components Thomas Research Products LED40W-089_C0450-D Constant Current Dimmable LED Driver 40W Dimmable Switch Mode LED Driver Input Voltage Range: 100-277 Vac Nom (90-305 V Min/Max) Power Factor: >.9 at full load, 100V through 277V Input Current .4 amps max Output current 450 mA Output Voltage 45-89 Vdc Max Output Power 40W Constant Current and Constant Voltage with Isolation Black Magic Thermal Advantage Plastic Housing IP66 0-10V Dimmable Product Details BrandHubbell ManufacturerHubbellMpnLED40W-089-C0450-D Constant Current and Constant Voltage with IsolationBlack Magic Thermal Advantage Plastic Housing0-10V DimmableOutput Current 450 mAOutput Voltage 45-89 VdcMax Output Power 40W -Powered by