Most relevant results from research and development in the field of medium voltage vacuum circuit breakers - a review

Integrating switchgear breakers and contactors into a safety instrumented function

“…For this reason, some vacuum breaker suppliers will not use it. However, it does offer advantages over the spring drive (fewer parts, less mechanical wear), and is being adopted for use (Chaly, Rebstock, Poluyanov, & Zakharov, 2006).…”