ZN28‑12 Indoor High‑Voltage AC Vacuum Circuit Breaker

ZN28‑12 series vacuum circuit breakers are indoor high‑voltage switchgear rated at 12 kV, 3‑phase AC 50 Hz. The product complies with GB1984‑89 standard.

Two structural versions are available: integrated mounting of breaker body and operating mechanism, and separate mounting.
‑ Integrated version: ZN28‑12 basic type
‑ Split version: ZN28A‑12 type, suitable for various fixed‑type switch cabinets such as GG‑1A(Z), XGN2A‑10(Z), etc.

It can be equipped with CD17, CD10A DC electromagnetic operating mechanisms, as well as CT17, CT19 spring‑charged operating mechanisms.