Mains voltage discrimination device

Details Mains voltage discrimination device Mains voltage discrimination device

Category

H - Electricity

Subcategory

02

Subsubcategory

J

CPC

317/15, 323/33,

IPC codes

H02J 3/00 (2006.01) G05F 1/10 (2006.01) G05F 5/00 (2006.01) H02H 11/00 (2006.01) H02P 4/00 (2006.01)

Type

Patent

Patent number

CA 1206522

Description

12 ABSTRACT: Mains-voltage discrimination device. A mains-voltage discrimination device for adapting a load (8) to a lower or higher alternating- voltage range is described. Discrimination is effected by means of a voltage-dependent resistor (1) which is thermally coupled to a PTC-resistor (2) which is elec- trically arranged in series with said voltage-dependent resistor (1), the resistors (1,2) being chosen so that initially the dissipation is mainly determined by the voltage-dependent resistor (1).

Application Number

431563

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