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a mechanical switching device having only one position of rest, operated otherwise than by hand, capable of making, carrying and breaking currents under normal circuit conditions, including operating overload conditions, elektr automaatne lülitusaparaat madalpinge-elektriahelate sagedaseks sisse- ja väljalülitamiseks
contactor . Masinaehituse ja energiatehnoloogia protsesside juhtimine. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//MEPJ/contactor/1/eng (04.07.2026)
