AC two-wire switch

Details AC two-wire switch AC two-wire switch

1997-02-03

1998-11-03

Gaffin, Jeffrey

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307126, 307139, 327447, G05F 302

Patent

active

058313494

ABSTRACT:
An AC two-wire switch, comprising a pair of external terminals, a main circuit bidirectional switching module being connected between a pair of the external terminals, a control circuit for controlling action of the main circuit bidirectional switching module, and a self-generating power supply for providing the working power supply to the control circuit. The self-generating power supply includes a rectifying circuit, a voltage stabilizing circuit, a main circuit off-state feed circuit and at least one mutual inductor. According to this invention, the provided AC two-wire switch may greatly reduce the additional on-state voltage-drop and the additional off-state current, and furnish the best short-circuit protection and quick-acting overload protection.

REFERENCES:
patent: 4678985 (1987-07-01), Moskin

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