4P 250A Dual Power Automatic Transfer Switch 3Phase Circuit Breaker Changeover

Great Durability: The material of this switch is resin, which has good strength, corrosion resistance, and impact resistance, so it is very durable. Support Manual/Auto Adjustment: When switching between two power sources, it can be set to manual switching if the special situation does not require automatic switching, which is very convenient. Automatic Transfer Switch: The design of the automatic transfer switch makes it quick and easy to switch to standby power in the event of a power failure and to the usual power source when the power comes in. Safe to Use: The transfer switch is made of flame retardant material, with good insulation. There won't be any leakage or electric shock, so its safety factor is high. Professional Certification: The transfer switch has a CE certificate, and the product quality is trustworthy. Strong Load-bearing: With a variety of wiring ports and wiring methods, this switch has a wide range of functions to suit your needs. Easy to Operate: The corresponding buttons on the outside of the switch have detailed instructions in writing and there is a detailed instruction manual in the package, so you can operate it easily. Quality Service: We stand behind all our guests and look forward to assisting you with your purchase. It is our pleasure to answer your confusion and questions. So please feel free to contact us if you have any problems with the product.