La description
630A Outside Cone Screened Bus Bar System up to 24kV (Interface C)
630A Outside cone screened bus bar connectors are designed for connecting with type C interface bushing according to EN50180, EN50181, DIN47636. Electrical specification according to standard of IEC 60502-4, IEC 62271-1.
CJB20-630/M
CJB20-630/M is a screened bus bar, made of silicone rubber and copper tube. The rated cur-rent is 630A, application for up to 24kV. The selection length of bus bar according to distance between bushings center.
CJB20-630/4T
CJB20-630/4T is a screened bus bar intermediate connector, made of silicone rubber, de-signed to connect with the bus bar CJB20-630/M.
CJB20-630/3T
CJB20-630/3T is a screened bus bar end connector, made of silicone rubber, designed to connect with the bus bar CJB20-630/M.
Selection guide
The standard length of L (distance between bushing center) est 350, 450, 500, 600, 650millimètre, other length is available as
requested.
Technical data
| Test Item | Test value |
| AC voltage withstand | 54kV, 5min |
| AC voltage withstand | 55kV, 1min |
| Partial discharge | 20kV, ≤5pC |
| Thundering impulse voltage withstand at 10 positive and 10 negative | 125kV |
| Thermal short-circuit | 25kA, 3s |
| Dynamic short-circuit | 63kA |
Application
