2500A Outside Cone Screened Bus Bar System up to 24kV (Interface F)


2500A Outside cone screened bus bar connectors are designed for connecting with type F interface bushing according to
EN50180, EN50181, DIN47636. Electrical specification according to standard of IEC 60502-4, IEC 62271-1.
CJB20-2500/M
CJB20-2500/M is a screened bus bar, made of silicone rub-ber and copper bar. The rated current is 2500/A, application for up to 24kV. The selection length of bus bar according to distance between bushings center.
CJB20-2500/4T
CJB20-2500//4T is a screened bus bar intermediate connector, made of silicone rubber, de-signed to connect with the bus bar CJB20-2500//M.
CJB20-2500/3T
CJB20-2500//3T is a screened bus bar end connector, made of silicone rubber, designed to connect with the bus bar CJB20-2500//M.
Selection guide
The standard length of L (distance between bushing center) is 600, 650, 750, 800, 900, 1200mm, other length is available
as requested.

Technical data
Test Item | Test value |
AC voltage withstand | 54kV, 5min |
AC voltage withstand | 65kV, 1min |
Partial discharge | 20kV, ≤5pC |
Thundering impulse voltage withstand at 10 positive and 10 negative | 125kV |
Thermal short-circuit | 31.5kA, 4s |
Dynamic short-circuit | 80kA |

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