811-3889, Wieland, Wieland58.504.6955.1 WT 4 E Series Multi Level Terminal Block, Double-Level, Screw Termination, ATEX, Brand Wieland, Colour Black, Number of Levels Double Wieland58.504.6955.1 WT 4 E Series Multi Level Terminal Block, Double-Level, Screw Termination, ATEX