WAGO 870-901 2-conductor through terminal block Brand: Wago. Part Number: 870-901. Additional Description: WAGO-870-901 2-CONDUCTOR THROUGH TERMINAL BLOCK; 2.5 MM; SIDE AND CENTER MARKING; FOR DIN-RAIL 35 X 15 AND 35 X 7.5; CAGE CLAMP; 2,50 MM; GRAY 51128878 2.5 MM ; SIDE AND CENTER MARKING; CAGE CLAMP ; 2,50 MM ; GRAY 51128878. Catalog Description: 2-conductor through terminal block; 2.5 mm²; side and center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 2,50 mm²; gray..