Min. Order Reference FOB Price
30 Pieces US$17.14-19.29 / Piece
Product Description
Our Services Product Description Function description: When a phase of L1, L2, L3 overvoltaged,undervoltaged or phase lacked , the relay will be disconnected and automatically search for the normal phase, and switch to open the relay of the normal phase, switching priority L1>L2>L3! ...