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Mechenical trip switch and switching apparatus with said trip switch for closed transition transfer switch without power failre
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Transfer selection element and transfer selection switching apparatus of auto transfer switch, auto transfer switch having said apparatus
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Inter rock apparatus of bypass transfer switch with parallel power transfer switch
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Moving electric connetion terminal shaft and moving electric connetion terminal part having a function of overlapping neutral terminal contact
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Ac voltage data delay compensation algorithm and structure for static transfer switch system
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Three-phase voltage/current transformer for metering power supply
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Opening and closing apparatus improved motional performance for electrical contacts and circuit breaker having thereof
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A distributing board provided with manually operated rotational transfer type bypass transfer switch
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Air transfer circuit breaker
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Automatic breaker for simultaneous supplying common and emergent powers in non-power-off type automatic power transfer
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Low voltage distributing board having uninterruptible automatic transfer switch
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One body type high tension closing power-receiving/switching board which has all a bypass circuit
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Disconnecting switch and safety managing system of electric car line
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Automatic transfer switch
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Low voltage air circuit breaker
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Excavating and grappling implement used with tractor
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