The Stäubli 61.7605-21 electronic part is a one-volt stranded silicone-covered, oxygen-free copper (OFC) wire with a 1 x 0.5 mm2 cross-section. It is black in color and is specifically approved for use in voltage systems up to 1.5kV. It is part of the SilIVOLT® range of electronic parts from Stäubli, which are designed for a range of specialized applications, from simple switches to complex electrical circuits.