A spring operated actuator for an electrical switching apparatus
The invention relates to a spring operated actuator for an electrical switching apparatus. It has an opening spring means and a closing spring means, at least one of them including a torsion spring (3, 4). According to the invention the torsion spring (3, 4) is charged in the unwinding direction and...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The invention relates to a spring operated actuator for an electrical switching apparatus. It has an opening spring means and a closing spring means, at least one of them including a torsion spring (3, 4). According to the invention the torsion spring (3, 4) is charged in the unwinding direction and discharged in the winding direction. |
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