Heavy closing switch

The utility model discloses a mainly relate to a heavy closing switch, it includes control box, shift bar, KC control line, the spacing detection switch of S3 separating brake, the spacing detection switch of S2 combined floodgate, S1 manual automatic switch, U1 chip, motor MG1, the KC control line connect on the control box, the A, B, C, the N wiring end that set up on heavy closing switch are 3 and look at and appraise 4 line inputs, A1, and B1, C1 is the output, the KC control line for control the port, S1 manual automatic switch when closed, heavy closing switch be manual operating position, when S1 manual automatic switch broke off, heavy closing switch was automatic operating position, the utility model discloses an adopt the U1 chip to detect the action to closure, the off -state of switch S1 manual automatic switch, the spacing detection switch of S2 combined floodgate, the spacing detection switch of S3 separating brake, realized reclosing of switch, made things convenient for the user, improved powe