This is a new, 12-circuit non-automatic power transfer switch kit designed for 120-volt and 240-volt systems with a 30-amp capacity. It is intended for manual switching between power sources, such as a utility line and a backup generator. This kit is suitable for homeowners or professionals setting up a basic, reliable manual transfer system. Free shipping is available for this item. As it is a non-automatic model, it requires manual operation to change the power source. Check the listing for full details on included components and installation requirements. 12-Circuits 120-Volt/240-Volt 30Amp Non-Automatic Power Transfer Switch Kit. Condition: New. Listed at 393.48 USD. It is pre-wired and enables the electrical system of the building to accept the power of a portable generator to run up to 12 single-pole circuits and any pair of single-pole circuits can be used as a double-pole circuit.