Change-over switch
A change-over switch changes over the electric power supplied to an electrical load from a first power supply to a second power supply. The change-over switch comprises a coil arrangement for controlling the movement of the parts to open or close a contactor of the first or second power supply. The...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A change-over switch changes over the electric power supplied to an electrical load from a first power supply to a second power supply. The change-over switch comprises a coil arrangement for controlling the movement of the parts to open or close a contactor of the first or second power supply. The coil arrangement can be used at two voltage levels. |
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