3-2213678-4 is a LUMAWISE Z35 LED Holder for countersunk screws, designed for use with Bridgelux Vesta Series Dim-to-Warm chip-on-board (COB) LEDs featuring a 9mm light emitting surface (LES). It supports a maximum current of 3A and maximum voltage of 60V DC, with poke-in style electrical contacts accommodating 18-22 AWG (0.35-0.75mm²) solid, fused, and stranded wire. The holder features a halogen-free, highly reflective PBT housing with copper alloy contacts and gold plating, operating over a temperature range of -40°C to 105°C. It utilizes a #4-40 screw size for attachment and enables compliance with the Zhaga book 3 standard. Common applications include spot lights, downlights, track lights, street lights, and general lighting where quick and easy COB LED assembly is required.