GB/T 24269-2009 (English Version) PDF

Standard No.: GB/T 24269-2009
Language: Chinese, Available in English version
Release Date: 2009
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 24269-2009

Scope: This standard specifies the technical requirements, test methods, inspection rules, marks, packaging, transportation and storage of copper-chromium (45) iron (5) electrical contacts. This standard applies to electrical contacts produced by vacuum impregnation. This product is mainly used in vacuum interrupters for vacuum switches.

GB/T 24269-2009 Referenced Document

GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 5587-2003 Basic shapes,dimensions,symbols and notations of silver based electrical contacts
JB/T 5351-1991 Test method for basic properties of contact materials of vacuum switches
JB/T 6237.3-2008 Test methods for chemical analysis of silver powder for electric contact material. Part 3: Determination of iron content
JB/T 7098-2002 Technical specification for copper-chromium electrial contact
JB/T 8443.1-1996 Chemical analysis method for copper and chromium contact materials Determination of chromium content with ammonium ferrous sulfate titrimetric method
JB/T 8443.2-1996 Chemical analysis method for copper and chromium contact materials Determination of copper content with iodometric method
JB/T 8985-1999 Metallographic examination of the electric contact materials