HD4/P/W
indoor SF6 gas circuit breaker
Medium voltage gas breaker with mechanical actuator (spring mechanism) for primary distribution up to 40.5 kV, 3600 A, 50 kA.
Only one common actuator for up to 40.5 kV with a wide range of accessories, safety locks and interlocks
Sealed-for-life SF6 poles with the unique ABB autopuffer quenching technique joining the advantages of “puffer” and “self-blast”
Spring-operated mechanical actuator ensuring easy operation even without auxiliary supply
Pressure switch on request to continuosly monitor the status of the interrupting device