The GEC TYPE BVP 17 is a complete replacement
truck fitted with the vacuum circuit breaker ABB TYPE
VD4.12.06.25 This will have a short circuit breaking
of 25KA (making 62.5kA)
The GEC TYPE MX51S is a
complete replacement truck and adaptor housing and is
fitted with the vacuum circuit breaker ABB CALOR EMAG
TYPE VD4.12.12.31. This retrofit has been tested to 31.5kA
(making 80 kA peak)