24 kV SF6‑free ring‑main‑unit, rated current 630‑1250A, short‑circuit breaking current 20‑25kA, pure‑air / nitrogen insulation, zero‑gauge working‑pressure, ultra‑low leakage rate, compact indoor metal‑enclosed switchgear for distribution‑networks.
This PDF product manual supports tender comparison, distribution‑substation project selection and pre‑sales technical evaluation. This eco‑friendly gas‑insulated ring‑main‑unit complies with IEC 62271‑1, IEC 62271‑200 and relevant ANSI standards.
It adopts vacuum‑interruption technology with pure‑air or nitrogen zero‑GHG insulating medium and can operate safely under zero gauge pressure; fully‑sealed gas‑tank reaches IP67 and cabinet shell IP4X, type‑tested annual gas‑leakage rate down to 0.01 %, whole‑casing partial‑discharge below 5 pC.
This manual records full dielectric‑withstand values, loop‑resistance ≤140 µΩ, rated gas pressure, multi‑grade mechanical‑life for circuit‑breaker, load‑break‑switch, disconnector and earthing‑switch, complete operating‑sequence, service‑environment of ‑40 ℃ ~ +55 ℃ with allowable installation altitude up to 2500 m.
It features rotating three‑position switch, double visible isolating gaps, five‑protection interlock mechanism, zinc‑inlaid alloy anti‑corrosion surface‑treatment passing 168‑hour salt‑spray test, multiple cabinet variants including upper‑isolation and lower‑isolation layout with compact bay dimensions.
Custom‑manufacturing covering design adjustment, assembly and project‑specific factory‑acceptance‑test is available for diversified distribution‑grid projects. Please contact us for complete dimension drawings and full set of type‑test reports.
Dua celah kasatmata memberikan konfirmasi isolasi secara intuitif; interlock lima proteksi memblokir urutan operasi yang keliru, yang secara bersama-sama menjamin keselamatan personel selama pekerjaan overhaul dan komisioning. Silakan hubungi kami untuk panduan logika interlock.
Sakelar putar tiga posisi mengintegrasikan fungsi penutupan, pembukaan, dan pembumian dalam satu unit tunggal, menyederhanakan tata letak internal dan menyediakan celah isolasi yang terlihat untuk keselamatan pemeliharaan. Silakan hubungi kami untuk deskripsi prinsip struktur.
Produk ini dapat mempertahankan kinerja isolasi penuh bahkan pada tekanan gauge nol, sehingga sangat mengurangi risiko kegagalan yang disebabkan oleh kebocoran gas dan menurunkan beban kerja pemantauan gas rutin. Silakan hubungi kami untuk pengenalan prinsip sistem gas.
Masuk
