Control device for an electromagnetic drive of a switching apparatus
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United States of America Patent
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Feb 9, 2021
Grant Date -
Oct 18, 2018
app pub date -
Oct 6, 2016
filing date -
Oct 15, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A control device for an electromagnetic drive of a switchgear includes: a power supply unit for generating a pick-up and a holding DC voltage for the electromagnetic drive of the switchgear, depending on a control signal; and a control unit for generating the control signal, which unit is designed to generate a second control signal for actuating a switch for joining or disconnecting the drive to or from the pick-up or holding DC voltage generated by the power supply unit. The power supply unit includes a switched-mode power supply unit that is designed for an input voltage range matched to an operating voltage range of the switchgear, the input voltage range being approximately 48 volts to approximately 240 volts, approximately 110 volts to approximately 240 volts, or approximately 24 volts to approximately 240 volts. The control unit is designed to generate the second control signal depending on a measuring voltage.
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