WAGO 279-831 4-conductor through terminal block Brand: Wago. Part Number: 279-831. WAGO Terminal Block, 800 VAC, 18 A, 28 to 16 AWG Wire, 0.31 to 0.35 in Wire Strip Length, Through Terminal, DIN Rail Mount, Polyamide 6.6, Gray, 1.063 in H x 0.157 in W x 2.874 in D. Additional Description: WAGO-279-831 4-CONDUCTOR THROUGH TERMINAL BLOCK; 1.5 MM; CENTER MARKING; FOR DIN-RAIL 35 X 15 AND 35 X 7.5; CAGE CLAMP; 1,50 MM; GRAY 51132245. Catalog Description: 4-conductor through terminal block; 1.5 mm²; center marking; for DIN-rail 35 x 15 and 35 x 7.5; CAGE CLAMP®; 1,50 mm²; gray..