US Patent Issued to Blixt Tech on April 15 for "Residual current circuit breaker with two switching devices" (Swedish Inventor)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,475, issued on April 15, was assigned to Blixt Tech AB (Kista, Sweden).

"Residual current circuit breaker with two switching devices" was invented by Jan Johansson (Solna, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A residual current circuit breaker, RCCB, for an electrical circuit. The RCCB comprises a first switching device and a second switching device coupled in series between the power supply and the load. The first switching device is configured to switch into an OFF mode, in which no current is fed to the load, upon detecting that the value of the current fed to the load is larger than a switching current is of the first switching d...