Eco-friendly screw Transfer Switch Environmental protection screw switch is an environmentally friendly product that can realize the function of circuit switch. It is made of environmentally friendly materials, does not contain harmful substances, and is pollution-free to the environment. The working principle of the screw transfer switch is to realize the switching operation of the circuit by rotating the screw. The adjustment transfer switch is operated manually by the staff according to the situation, and the automatic transfer switch is equipped with an internal detection circuit that can automatically detect the power status and switch. In short, the environmentally friendly screw switch is an environmentally friendly, durable and convenient circuit switch product, which can be widely used in various electrical equipment and bring convenience to people's lives. Our company is developing rapidly, providing customers with high-quality products, good te…