RHB-72.5 outdoor HV circuit breaker: 72.5kV, 2000-3150A, lightning impulse 325/375kV, short-time 31.5-50kA, making peak 100-125kA. For 72.5kV grid switching and faults.
RHB‑72.5 is a 72.5 kV outdoor high‑voltage circuit breaker with robust mechanical structure, strict limits for foundation static/dynamic load and foundation height difference. It complies with IEC 62271‑100 for high‑voltage switchgear for outdoor power transmission projects.
It complies with IEC 62271‑100 high‑voltage switchgear standard for outdoor transmission applications.
Unit weight:12000KG. Package‑1:2700×600×2300 (1pc,7200KG); Package‑2:3000×700×2300 (1pc,6100KG).
Foundation static load:120000N; horizontal dynamic load 40000N, vertical dynamic load 220000N (including equipment self‑weight). Height difference of each foundation surface shall not exceed 2 mm.
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