● Compact, fully enclosed, and fully insulated design;
● Anti-condensation, anti-contamination, and maintenance-free operation;
● Circuit breaker solution with reclosing capability: O-0.3s-CO-180s-CO;
● Mechanical linkage mechanism for enhanced five-prevention interlocking reliability;
● Side-expandable design with aesthetically pleasing appearance for easy installation;
● Advanced special anti-corrosion treatment on mechanism surfaces;
● Quiet gear transmission system;
● Oil-free lubrication for transmission components;
● Provides passive protection, intelligent monitoring/control/diagnostics, and smart distribution network solutions.
Application Fields:
Widely used in ring network distribution systems such as switching stations and switchgear stations; infrastructure construction projects; industrial and manufacturing sectors; transportation enterprises including ports, railways, and land transport; public construction projects like industrial zones, development zones, and commercial districts; construction industries including real estate and residential community development.
Key Technical Parameters:
Rated Voltage: 12kV, 24kV, 40.5kV
Rated Current: 630A, 1250A (circuit breaker cabinet), 125A (fuse cabinet)
Rated Short-Circuit Breaking Current: 20kA, 25kA
Mechanical Life: Vacuum Circuit Breaker ≥20,000 operations, Load Switch ≥5,000 operations, Isolating Switch and Earthing Switch ≥3,000 operations
Operations (Circuit Breaker Cabinet): 30 operations
Active Current Breaking Operations (Load Switch Cabinet): 200 operations
SF6 Annual Leakage Rate: ≤0.01%/year
Internal Arc Test: 1s (cable compartment, gas compartment)
Rated Transfer Current: 1750A
Gas Compartment Protection Rating: IP67
Operating Environment: Suitable for high altitudes up to 4000 meters and low-temperature regions down to -45°C
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