A very powerful, but compact CBI circuit breaker. The CBI DD frame series is very suitable as main breaker for battery applications and as distribution breaker for larger loads or where breaking capacity requirements are particularly high. DD frame can handle rated currents up to 400A in versions of up to 5 poles connected in parallel.
The DD frame is CE approved as per IEC/EN 60934 and IEC 947-2. As for UL, it is both UL recognized (UL1077) and UL listed as per UL 489 and 489A. The DD frame is also CCC approved for the Chinese market.