Non-transfer switch for providing power from an alternate...

Details Non-transfer switch for providing power from an alternate... Non-transfer switch for providing power from an alternate...

2011-03-01

2011-03-01

Luebke, Renee S (Department: 2833)

Electricity: circuit makers and breakers

Combined with or actuated by connector coupling

Meeting contacts of coupling members forming switch contacts

C200S050280

Reexamination Certificate

active

07897886

ABSTRACT:
A manually operated transfer-type switch has an electrically interlocked isolating plug and plugboard arrangement to isolate two power supplies, e.g., utility and electric generator, from one another. The switch functions to connect electrical loads with either the utility or generator power supply without performing making and breaking of current. The plug is engaged with the plugboard in a first position for supplying utility power and in a second position for providing generator power. A locking arrangement prevents the disengagement of the plug from the plugboard when power is supplied from either the utility or from the generator.

REFERENCES:
patent: 3644870 (1972-02-01), Jones
patent: 5268850 (1993-12-01), Skoglund
patent: 6096986 (2000-08-01), Flegel

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