| 摘要 |
The invention relates to a magnetic switch applicable for electrical circuits having low working voltages and intensities, for the power supply of relays, contactors, etc,of the equipments operating in severe conditions of humidity, dust, corrosive agents, explosive environment According to the invention, the magnetic switch having, in a first embodiment, a normal open contact and a normal closed contact, comprises a switch (3) having threaded therein a guiding rod (2), which is inserted into a return spring (9) and a bottom washer (4) Two vial-type transducers (8) and two by-passes (11) are mounted onto the plate (7), and two magnets (13), are mounted onto the plate (10), the plate (10) and magnets (13) being secured to the guiding rod (2) by means of a guiding arm (12) and of a guiding screw (14) According to the invention, the magnetic switch provides a firm electric contact, ensures the transmission and separation of controls, increases the working speed
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