FOUR Connect 4-600145 distribution block 6x20/50 mm2
FOUR Connect STAGE2 distribution block 6x 20/50 mm2
This kind of distribution block is exactly like they all should be. Every connection is drilled to 50 mm2 size. And all them have contraction sleeves that make connection to fit 20 mm2 cable. If you take sleeve out, it fits to 50 mm2 cable.
6x 20/50 mm2