SM AirSeT adopts pure‑air‑insulated SVI (Shunt Vacuum Interruption) technology with zero GWP & SF6‑free design, native digital sensors, multi‑side internal‑arc protection, modular cubicles, 10 000 mechanical operations and 40‑year design life. It complies with IEC 62271 series, UTE NFC, RoHS/REACH, manufactured under ISO 9001 & Green Premium certification.

SM AirSeT: SF6-free medium voltage air-insulated switchgear for indoor secondary distribution (≤24kV). Core: control, protection, safe power distribution. Fits commercial/industrial/utilities/data centers;willcome to connect us, Customize vacuum circuit breakers for your exclusive usage scenarios.

Rockwill OVCB is free‑standing outdoor vacuum circuit breaker with stored‑energy operator, bushing‑type CT pre‑installation support, manual & electrical close/trip functions and 10 000 mechanical operations. It complies with IEC 62271‑100, IEC 60071‑1 as well as ANSI/IEEE and NEMA distribution circuit‑breaker standards.

OVCB adopts motor‑driven modular spring mechanism with E2 electrical endurance and 10 000 mechanical operations, IP55 enclosure, extended‑creepage porcelain dry‑type bushings, multi‑ratio bushing‑type CT and high‑seismic construction. It complies with IEC 62271‑100, meets IEEE/ANSI, manufactured with ISO 9001 certification.

Rockwill RVD‑145 dead‑tank vacuum circuit breaker has rated voltage 145 kV, rated normal operating current 3150 A, lightning impulse withstand voltage 650 kV, 3‑s short‑time withstand current 50 kA and rated short‑circuit making peak current 135 kA for 145 kV power transmission applications.