The Clopal 75Amp 2 Meters Phase & Neutral Rotary Changeover Switch Large – 8 Terminals is a robust manual selector designed to switch between two power sources (e.g., two utility meters or main/generator). It features 8 terminals for secure, heavy-duty 3-position (1-0-2) operation with a 75A rating, 400V capacity, and durable plastic housing suitable for residential or industrial use.