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JB/T 7844-1995 English PDF

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JB/T 7844-1995: General technical specifications for air pressure ceramic sleeves
Status: Obsolete
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JB/T 7844-1995English439 Add to Cart 4 days [Need to translate] General technical specifications for air pressure ceramic sleeves Obsolete JB/T 7844-1995

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Basic data

Standard ID JB/T 7844-1995 (JB/T7844-1995)
Description (Translated English) General technical specifications for air pressure ceramic sleeves
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard K48
Word Count Estimation 11,138
Date of Issue 1995-11-24
Date of Implementation 1996-06-01
Adopted Standard IEC 1264-1994; NEQ
Regulation (derived from) Engineering (2010) No. 77
Summary This standard specifies: Pressure porcelain sets Technical Committee requirements, test methods, inspection rules, packaging and identification. This standard applies to: rated voltage above 1000V, the ambient air temperature is -40 ~ +40 �� circuit breakers and other electrical equipment porcelain, their lumen persistent pressure greater than normal atmospheric pressure. Porcelain jacket chamber gas may be air dried, inert gas. Such as sulfur hexafluoride, nitrogen, or a mixture thereof. Porcelain is electrical equipment Insulation components, electrical equipment external insulation electrical performance than porcelain itself characteristics, therefore not specified in this standard. This standard does not apply sufficient to reduce the performance of porcelain conditions of use porcelain.

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