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ommon fault volt free contact pair

Arabic translation: مرحل ثنائي للحماية ضد أعطال فرق الجهد الشائعة

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English term or phrase:	ommon fault volt free contact pair
Arabic translation:	مرحل ثنائي للحماية ضد أعطال فرق الجهد الشائعة
Entered by:	hassan zekry

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15:05 Feb 4, 2011

The asker opted for community grading. The question was closed on 2011-02-07 16:54:10 based on peer agreement (or, if there were too few peer comments, asker preference.)

English to Arabic translations [PRO]
Energy / Power Generation / power = energy

English term or phrase: ommon fault volt free contact pair

1 no. common fault volt free contact pair

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شكرا جزيلا مقدما

mohammed saabneh
Jordan

مرحل ثنائي للحماية ضد أعطال فرق الجهد الشائعة

Explanation:
http://www.smartscaninc.com/5000Ctrls.htm
مرحل ثنائي الأطراف للحماية من تذبذب الفولتية
It is a pair of voltage free contacts from a safety relay, which are in the ON state during normal operation and in the OFF state at power-up and under lock out conditions. They should be wired to prevent machine operation unless in the ON state.