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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Application filed by Mitsubishi Electric CorpfiledCriticalMitsubishi Electric Corp
Priority to JP6378877ApriorityCriticalpatent/JPS53147953A/en
Publication of JPS53147953ApublicationCriticalpatent/JPS53147953A/en
PURPOSE: To prevent the keep coil at mischangeover from being damaged by fire by setting up a mischangeover protector in which a fuse with an alarm contact in a switchgear having a switch to perform circuit changeover and th keep relay.