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Application filed by Hubbell IncfiledCriticalHubbell Inc
Priority to MX9600460ApriorityCriticalpatent/MX9600460A/en
Publication of MX9600460ApublicationCriticalpatent/MX9600460A/en
The present invention provides a power supplying circuit to selectively connect and disconnect a load from an alternating current power source having neutral and line conductors, comprising a transformer having a primary winding connected with load, and a secondary winding, a relay connected by a terminal of same primary winding connected by the other terminal thereof with relay, and capable to work to open and close relay, relay is capable to work to provide power to load when it is closed, and to disconnect line conductor from primary winding when it is opened, a rectifying circuit multiple-connected with secondary winding, and an air space switching mechanism connected with relay and control circuit, and capable to work to open relay when air space switching mechanism is activated.
MX9600460A1996-02-011996-02-01Two wires air space power supplying circuit.
MX9600460A
(en)
Method for correction within prescribed range of correction of transformation coefficient, switch unit for its implementation and transformer with such switch unit