FIELD: electricity.
SUBSTANCE: interlock contact device for automatic circuit breaker contains interlock contact unit fixed on body and provided with double-throw switch electrically connected with external indicator, driving camshaft fixed with possibility to turn at front side of interlock contact unit double-throw switch, driving cam for double-throw switch turning on and off, and the link connecting opening-closing axis and driving camshaft.
EFFECT: prevention of incorrect operation and double-throw switch damage caused by excessive blow of link fixed in interlock contact device, and reliability enhancement during multiple opening and closing.
7 cl, 11 dwg, 1 ex
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| 0 |
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SU43593A1 | |
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RU2372683C1 |
