FEHLERSTROMSCHUTZEINRICHTUNG
The circuit has a first summation current converter (7) with a primary winding formed from phase (1) and neutral (2) conductors and a secondary winding (13) connected to a first evaluation circuit (16). A second summation current converter (10) has a primary winding formed by the earth conductor (3)...
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| Format: | Patent |
| Sprache: | ger |
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| Zusammenfassung: | The circuit has a first summation current converter (7) with a primary winding formed from phase (1) and neutral (2) conductors and a secondary winding (13) connected to a first evaluation circuit (16). A second summation current converter (10) has a primary winding formed by the earth conductor (3) and a secondary winding (17) connected to a second evaluation circuit (20). A triggering device (24) connected to the first and second evaluation circuits actuates switches (4,5,6) which are connected into each conductor (1,2,3). |
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