1、Powerful Function: Protect your circuit from overload or short circuit damage with our 63A isolator switch. It features quick release for reliable operation and extended lifespan. 2、Wide Application: Suitable for DC systems such as solar power, small power systems, communication systems, and photovoltaic systems. Can be easily installed on DIN rails, DIN rail not included. 3、Multifunctional Housing: Isolator switch has a strong flame resistant casing, providing long lifespan, high stability, and excellent fire resistance. Ideal for grid connected solar panel systems and wind solar complementary systems. 4、Fast Response: Dual power function for convenient switching between generator and mains electricity, or between solar power and mains electricity. Features integrated shaft design for better synchronization when opening and closing. 5、High Performance: Equipped with 6 robust rivets to prevent the casing from cracking after wiring. Utilizes welding technology with high temperature melting silver solder for high cost, low temperature rise, high short term current tolerance, and strong short circuit switching capability.