Weidmüller AAP21 4 FS 100-250V OR is a Feed-through terminal block, PUSH IN, dark beige, 4 mm², 6.3 A, 250 V, Number of connections: 1. Terminal block for connecting or joining conductors with permanently secure contact. Hardened steel withstands the mechanical forces, tin-coated copper ensures top conductivity. https://elecena.pl/product/29439002/weidm-x171-ller-2581790000-terminal-push-in-4mm 2025-10-19 https://elecena.pl/product/29439002/weidm-x171-ller-2581790000-terminal-push-in-4mm 2026-06-04