Technical Data · ROCKWILL

12kV/17.5kV/24kV Indoor MV Vacuum Circuit-Breaker

Lateral-mount indoor vacuum circuit breaker: 12-36kV, up to 1600A, lightning impulse 75-170kV, 4s short-time 31.5kA, making peak 80kA. For indoor RMU and XGN metal-clad switchgear.

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Updated2026.09

LanguageEnglish

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Technical ManualIndoor MV Vacuum Circuit-Breaker

Document description

VSC is lateral fixed‑type indoor vacuum circuit‑breaker with simple‑reliable high‑endurance spring mechanism, optional counter & 8NO‑8NC auxiliary switch. Insulation medium, secondary wiring and ratings are optional with special dimension custom‑order available, complying with IEC 62271‑100 for MV circuit‑breakers.

Frequently asked questions

What optional configurations does the VSC circuit‑breaker provide?

Optional items include counter, 8NO+8NC auxiliary switch, different insulation medium schemes, various secondary‑wiring layouts; rated current & short‑circuit breaking current can be selected according to client requirements, special dimension adjustment for custom‑order is supported.

What is the mechanism type and mechanical life of VSC lateral VCB?

Adopts simple and reliable high‑endurance spring operating mechanism, mechanical endurance reaches 10 000 operations.

What application scenarios is VSC lateral VCB suitable for?

It is designed for indoor ring‑main units, XGN series metal‑clad switchgear, and box‑type outdoor substation cabinets.

12kV/17.5kV/24kV Indoor MV Vacuum Circuit-Breaker

Document description

Related Products

Indoor Vacuum Circuit Breaker 12kV 17.5kV 24kV available to 36kV

Frequently asked questions