230VAC 63A Dual Power Manual Transfer Switch 35mm DIN Rail Mount Single Side Interlock Circuit Breaker 2P f54 1. PROTECTION FUNCTION: The dual power manual transfer switch is designed for switching between two power sources and provides overload and short circuit protection. 2. SIDE INTERLOCK: The handle of the right breaker is interlocked with the internal release mechanism of the left breaker. Opening the right breaker causes the left breaker to trip. When the right breaker is open, the left breaker cannot be opened until the right breaker is manually closed. 3. SAFE USAGE: When both handles are open, only the right circuit remains energized; the release mechanism of the left breaker is disconnected, preventing both circuits from being energized simultaneously. 4. FINE WORKMANSHIP: The switch features silver alloy contacts and a flame-retardant PC material casing. It includes a three-color indicator window: red (tripped), yellow (overload), and green (normal operation). 5. WIDE APPLICATION: Suitable for recreational vehicles, homes, generators, and other dual power systems. Easy installation via screw clamp connections and 35mm DIN rail mounting.