EFFICIENT & SECURE SWITCHING: The 100A Emergency Power Transfer Switch is a high-performance device designed specifically for emergencies. With a simple manual toggle during power outages or grid failures, it effortlessly transfers power from the main grid to the backup source, ensuring uninterrupted power supply to your critical equipment and systems. Easily handle any power outage scenario with confidence. MULTIPLE INSULATION PROTECTION: Unlike other products, the Heavy Duty Safety Switches utilizes advanced insulation technology for enhanced safety. With a comprehensive electrical isolation system, it effectively minimizes the risks of electrical faults and short circuits, providing superior protection against unexpected injuries like electric shocks. WATERPROOF & RUSTPROOF: Made from robust galvanized steel, the 100A Manual Transfer Switch offers long-lasting durability.