JB/T 8977-1999
Knife-disconnector and knife-change over disconnector (English Version)
- Standard No.
- JB/T 8977-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2006-10
- Replace By
- JB/T 8977-2006
- Latest
- JB/T 8977-2006
- Scope
- This standard specifies the scope of HD17S series knife-shaped isolators and HS17S series knife-shaped conversion isolators, citing standards, characteristics, structural and performance requirements, tests and test methods, etc. This standard applies to HD17S series knife-shaped isolators and HS17S series knife-shaped conversion isolators. This product is mainly used for power isolation and power conversion isolation in power distribution circuits with AC 50Hz, rated working voltage 400V and DC rated working voltage 230V, rated current 1600A and below.
JB/T 8977-1999 history
- 2006 JB/T 8977-2006 Knife-disconnector and knife-change over disconnector
- 1999 JB/T 8977-1999 Knife-disconnector and knife-change over disconnector
