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Home › Auxiliary unit for an electric circuit breaker, electric system comprising a circuit breaker and one such auxiliary unit and method for determining a cause of opening of the circuit breaker by means of one such auxiliary unit

Auxiliary unit for an electric circuit breaker, electric system comprising a circuit breaker and one such auxiliary unit and method for determining a cause of opening of the circuit breaker by means of one such auxiliary unit

US Patent 9817072 · Granted Nov 14, 2017

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