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Manual and automated non-destructive pre-startup testing for short-circuit and ground fault conditions in motor branch circuits
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Low-cost, full-range electronc overload relay device
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Means for providing improved operation properties for electrically operated circuit breakers, disconnect switches, and contactors
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Non-destructive short circuit testing for electrically operated circuit breakers
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Ratio metric current measurement
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Two-step connection of electric motors by means of electromagnetic switches
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Electrically operated branch circuit protector
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