JB/T 8976-1999
Fuse-switch-disconnector (English Version)
- Standard No.
- JB/T 8976-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Machinery
- Status
- 2006-10
- Replace By
- JB/T 8976-2006
- Latest
- JB/T 8976-2006
- Scope
- This standard specifies the product model, technical requirements, test methods, inspection rules and other technical requirements for the HR5 series fuse isolation switch. This standard applies to the HR5 series fuse-type isolating switch. Its rated insulation voltage is 690V AC, the rated frequency is 50Hz, when the rated operating voltage is 380V, the rated operating current is up to 630A; when the rated operating voltage is 660V, the rated operating current is up to 425A , mainly used in distribution circuits and motor circuits with high short-circuit current, as power switches, isolating switches and emergency switches, and for AC circuit protection. This standard is not intended for direct switching of a single motor.
JB/T 8976-1999 history
- 2006 JB/T 8976-2006 Fuse switch disconnector
- 1999 JB/T 8976-1999 Fuse-switch-disconnector
