An electromagnetic operating device for a switch comprises a fixed yoke (1) formed by laminating square yokes and an E-shaped yoke integrally while holding the E-shaped yoke in-between, a permanent magnet (5), a moving member (2) capable of linear movement in the fixed yoke by a predetermined distance, a rod (3) coupled with the moving member and penetrating the fixed yoke to project outward from opposite sides, and a drive coil (4) disposed in the fixed yoke, the moving member moving on the inside of the fixed yoke when a current is supplied through the drive coils, wherein the fixed yoke (1) is provided with a plurality of holes (1c) penetrating in the laminating direction of magnetic steel sheets, pins (6) each having a diameter slightly smaller than that of the plurality of holes and provided with a threaded portion (6a) at the end are inserted to penetrate two or more of the plurality of holes, and the laminated fixed yoke is fastened using the threaded portions of the pins.