This kit is designed to enhance the performance of triac regulator order No. 628B from 2 A to 6 A.
Package includes a complete set of components for a more powerful option 6 A maximum) . Including cooler A4463/07, 8 metal spacers four of which have M3 threads from both sides, the other four with inner M3 thread on one side and external M3 thread on the other side. Also 12 washers, 8 M3 pan-head screws, 4 M3 nuts.
The pictures is illustrative only – triac regulator must be ordered separately.