Wieland Electric selos WTN Screw Terminal Blocks are DIN-rail terminal blocks designed for reliable conductor connections in industrial control panels, machinery and building installations. The proven screw connection technology supports solid, fine-stranded, ferruled and non-ferruled conductors. The range includes feed-through, protective-earth, multi-level, fused, disconnect and special-function terminal blocks. The portfolio supports a broad conductor cross-section range and provides solutions for applications up to 1000 V under IEC conditions with high current ratings. Vibration-resistant clamping technology and 35 mm DIN-rail mounting provide reliable long-term connections for control-panel and machine applications.