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Application filed by Ericsson Telefon Ab L MfiledCriticalEricsson Telefon Ab L M
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Publication of ATE45253T1publicationCriticalpatent/ATE45253T1/en
AT83900504T1982-02-051983-01-26
SYSTEM FOR SECURELY DISCONNECTING THE POWER SUPPLY OF A CONSUMER FROM A LOW FREQUENCY OR DC VOLTAGE SOURCE.
ATE45253T1
(en)
Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and apparatus for carrying out the method