Model: ZF7-72.5/T3150-40
The GIS at 72.5kV/3150A/40kA with a spring drive has undergone full type testing and is certified by both KEMA® in the Netherlands and CESI® in Italy. The product is characterized by a common three-phase design, a spring/spring mechanism, and excellent insulation and interrupting capabilities, providing reliable and flexible solutions for power transmission and distribution.
Main Features
- Common single and double busbar configuration for 3 phases
- Compact design with dimensions: L x W x H: 4150mm x 780mm x 2400mm
- Circuit breaker with spring drive, type CT20
- Disconnector and Earthing Switch (DES) with motor drive
- Fast Earthing Switch (FES) with spring mechanism
- 20-year maintenance cycle
- Integrated earthing switches
- Exclusive sealing technology (less than 0.5% leakage per year)
- Suitable for indoor and outdoor substations up to 72.5kV, 40kA, 3150A
- Fully assembled cell fits in a standard shipping container
Advantages
- High Insulation Margin: The electric field intensity on the surfaces of insulating parts and conductors is calculated to maintain a low, reliable level by optimizing electrode profiles, materials used, and manufacturing technologies.
- Excellent Interrupting Properties: The interrupting device uses advanced arc-quenching technologies, utilizing both arc energy and spring mechanism energy, ensuring reliable interruption of short-circuit and load currents at all levels up to the rated values.
- Excellent Seismic Resistance: The overall design is characterized by simplicity of structure, lightness, and a low center of gravity, providing the necessary strength to withstand severe seismic impacts.
