JB/T 56268-1999
Signal relay product quality classification (English Version)
- Standard No.
- JB/T 56268-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- Latest
- JB/T 56268-1999
- Scope
- This standard specifies the quality levels, inspection methods and assessment procedures for signal relay quality classification. This standard is applicable to the quality grade assessment and assessment basis for signal relays with action instructions used in power system relay protection and automatic control DC operating lines.
JB/T 56268-1999 history
- 1999 JB/T 56268-1999 Signal relay product quality classification
