Entrelec 503 771 05 Vy10 v11 st c88 Rotary Cam Switch is a rotary cam switch rated for 600V AC. The model identifiers Vy10, v11, st, and c88 describe this specific configuration within Entrelec's lineup, with the 503 771 05 part number tied to that variant. It is used to rotate through cam positions to open or close electrical circuits in control systems where staged switching is required.
