The box-type power supply (voltage-limiting type/switching type) (single-phase/three-phase) surge protector adopts a metal fully sealed shell (waterproof, dustproof) design, which is simple to install and easy to maintain. It is composed of an air switch and a modular surge protector.
It has low residual voltage, large flow rate, fast response time, small leakage current and change rate, and has an automatic trip function for overcurrent and overheating.
It is suitable for China's power grid with large voltage fluctuations, and is suitable for various power supply systems such as TN, TT and IT.
It can be used for surge protection at the incoming end of low-voltage power distribution lines such as various communication base stations (computer rooms), computer rooms, office buildings, dispatch centers, etc.
It can also be used in special places where modular surge protectors cannot meet the requirements (such as flammable, easily explosion) protection.
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