Core Function: It manages power continuity by handling "Normal Power" (N) on the left terminal block and "Emergency Power" (R) on the right terminal block
Control Configurations: The central interface features an auto/manual toggle switch alongside a green-labeled manual rotation knob to physically redirect connection pathways
Deployment Context: These units are widely utilized across residential mains, off-grid solar storage configurations, and backup generator configurations to safeguard hardware against total blackouts.