Min. Order Reference FOB Price
1 Piece US$9,998.00-12,142.00 / Piece
Product Description
Product Description Protection relays Numerical relays are based on the use of microprocessors. The first numerical relays were released in 1985.A big difference between conventional electromechanical and static relays is how the relays are wired. Electromechanical and static relays have fixed ...