| 摘要 |
Control apparatus for an electrical load device, comprising a relay having a winding and a set of normally open contacts which are closed and opened, after short delays, upon energization and deenergization respectively of the winding, first and second switches arranged to be closed and opened in predetermined sequences, a first circuit for supplying electrical energy from a source to the winding through both the switches series, and a second circuit for supplying electrical energy to the winding and the load device from the source through one of the switches and the contacts of the relay, the second circuit connecting the contacts in parallel with the other of the switches.
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