Mean Well 40W Constant Voltage LED Drivers - NPF-40 Series The Mean Well NPF-40 Series is a range of 40W LED Drivers with a high efficiency of up to 90% and a low no load power consumption below 0.15W. These LED power supplies are waterproof, with the case made of 94V-0 flame retardant plastic. The interior of the NPF-40 is fully potted in silicone, making these LED drivers suited to meet the anti-vibration demand up to 5G and enhancing the heat dissipation. The NPF-40 LED drivers are IP67 rated and can be used in highly dusty and humid harsh environment. The class II design and the double insulation weather resistant cable makes the NPF-40 Led drivers ideal for flexible installation of various types of lighting systems. Universal AC input
Built in active PFC function
High efficiency of up to 90%
Short circuit, over current, over voltage and over temperature protection
Cooling by free air convection
Fully isolated plastic case
Fully encapsulated IP67 rated
Class II power unit, no FG pin
Operating temperature -40°C to +70°C
Suitable for dry, damp, wet locations
No load power consumption below 0.15W