| 摘要 |
An electromagnet for an electrovalve comprises two connections (16, 18) to a voltage source, a rectifier (11, 12, 13, 14), of which each input is linked to one of the two connections (16, 18), a coil (24) situated between the direct current voltage outputs (20, 22) of the rectifier (11, 12, 13, 14), and a varistor (26) which at one end has a potential point (28) shared with the coil (24), and whose other end is connected with one of the direct current voltage outputs (20) of the rectifier (11, 12, 13, 14).
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