Scope of Application：he ZF-145 gas-insulated metal-enclosed switchgear (GIS) is an advanced high-voltage electrical equipment widely used in 145KV, 132KV, and 110KV power systems both domestically and internationally.

Rated Voltage: 145kV/132KV (international standard)/126kV/110KV (domestic standard)
Rated Current: 3150A (circuit-breaker), busbar current up to 4000A
Short-circuit Breaking Capacity: 40kA (rated short-circuit breaking current and rated short-time withstand current)
Peak Withstand Current: Up to 100kA
Mechanical Endurance: Over 10,000 operations
Arc Quenching Method: Self-extinguishing technology combining thermal expansion and assisted blowing

Scope of Application：SF₆ gas-insulated switchgear (GIS) is designed for 3.6kV to 800kV AC power systems, covering medium voltage (MV), high voltage (HV), and extra-high voltage (EHV) applications. It is particularly suited for space-constrained installations and mission-critical environments (e.g., urban grids, rail transit, offshore wind farms, industrial plants, and extreme climates), complying with IEC 62271-200/203.

Medium Voltage (MV): 3.6kV, 7.2kV,11KV, 12kV, 24kV, 36kV
High Voltage (HV): 72.5kV, 145kV, 245kV
Extra-High Voltage (EHV): 362kV, 420kV, 550kV, 800kV
Rated Current: 400A–6,300A (up to 8,000A for HV/EHV)
Short-Circuit Breaking Capacity: 16kA–80kA (1s thermal withstand)
Insulation Medium: SF₆ gas (rated filling pressure: 0.4–0.7MPa at 20°C)