Clamp body made of brass, nickel-plated, screws made of steel, galvanized and transparently passivated, nominal cross-section 0.8 ÷ 2.5 mm², nominal voltage 660 V, 5-pole, with socket terminals, max. connectable cross-sections per terminal point: 4 x 2.5 mm², 5 x 1.5 mm² or 6 x 1 mm², poles not required can be separated and used as individual terminals.