ELECTROMAGNETIC RELAY CHECKING DEVICE Russian patent published in 1994 - IPC

Abstract RU 2017197 C1

FIELD: electrical engineering. SUBSTANCE: electromagnetic relay checking device having power supply 5, switch 7 and check indicators 10, 11 further contains two capacitors 8 and 9 one of which is connected via switch 7 to power supply 5, and another is connected via diode 12 to control pins of contacts and magnetic coil of the test relay. EFFECT: high reliability. 1 tbl, 2 dwg

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RU 2 017 197 C1

Authors

Gol'Dshtejn A.I.

Rejngard R.V.

Fedotov V.I.

Feoktistov V.P.

Shcherbakov T.V.

Dates

1994-07-30—Published

1992-07-02—Filed