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Maintenance-free operation
Lightning Impulse Resistance
Dynamic Withstand Current
Rated Current
Rated Voltage
Designed for High Performance and Safety
- Engineered for high voltage applications in industry and energy sectors
- Proven reliability in safety-critical and mission-critical systems
- Designed for operation in power distribution networks, industrial facilities, and critical infrastructure
- Standard and custom-engineered solutions
- Long service life with minimal maintenance requirements
- Stable performance under extreme operating conditions
Typical Applications
High-voltage equipment is commonly used in:
- Power grids and substations
- Industrial plants and facilities with high voltage equipment
- Renewable energy systems (wind, solar, and hydro power)
- Railway power systems and transport infrastructure
- High-voltage switchgear in commercial and industrial facilities
- Protection and control systems for critical operations
From Standard Products to Custom Engineering
Whether you need a standard product or a custom solution, we help you select or design the right solution for your application.
Reference
Built for the demands of critical power systems.
From substations and distribution networks to railway traction systems and custom-engineered high-voltage drives, our solutions are designed for applications where safe switching and dependable operation are essential.
With solutions rated up to 38.5 kV and 3000 A, SEZ high-voltage equipment is built for demanding power applications. Our UVE-Ž railway traction disconnectors are designed to withstand harsh outdoor conditions, with tested dynamic currents up to 90 kA and a service life of up to 30 years.
Installation and Technical Support
Access installation videos, technical documentation, and product support resources.
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Modular Devices Standard or custom. Small scale or extreme conditions. Modular electrical devices engineered for easy configuration, fast installation and
Switchboards Power under control. Switchboards for safe power distribution, clear system layout and dependable performance in demanding environments. Switchboards for
Industrial Switchgears Reliable connection and disconnection for industrial electrical systems. Industrial switchgears designed for safe, reliable and efficient connection, distribution
Engineering & Tooling From concept to production. Engineering and tooling for demanding industrial applications. Engineering and tooling for demanding industrial