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The modular switchgear system is a state-of-the-art solution for medium-voltage applications, combining compact design, arc resistance, and smart-grid compatibility. Designed for voltages up to 17.5 kV, it ensures high performance and reliability in power distribution networks. Its fully insulated vacuum interrupters and integrated sensors enhance safety and reduce maintenance. The system is SCADA-ready, supporting IEC 61850 communication protocols for seamless network integration. With a modular design, it allows flexible configurations, making it ideal for various industrial, commercial, and utility applications.

Technical Specifications

Electrical Ratings:

  • Nominal Voltage: 7.2 kV / 12 kV / 17.5 kV

  • Frequency: 50/60 Hz

  • Insulation Levels:

    • Power-frequency withstand: 20-42 kV

    • Impulse voltage withstand: 60-95 kV

  • Busbar Current Ratings: Up to 1250 A

  • Short-Circuit Withstand:

    • Up to 25 kA for 1s / 3s

    • Up to 20 kA for 4s

  • Breaking Capacity: Up to 25 kA

Design and Safety Features:

  • Fully encapsulated vacuum interrupters for enhanced insulation

  • Arc-resistant enclosures for improved safety

  • Built-in TH110 thermal sensors for continuous monitoring

  • Integrated current and voltage transformers

  • Modular architecture for easy expansion and customization

Smart Grid & Communication:

  • SCADA-ready with IEC 61850 protocol support

  • Embedded protection and monitoring systems

  • Remote diagnostics and real-time data acquisition

Standards Compliance:

  • IEC 62271-1: General requirements for high-voltage switchgear

  • IEC 62271-200: Metal-enclosed switchgear for 1 kV to 52 kV

  • IEC 62271-103: Switch-disconnectors up to 52 kV

This switchgear system offers a future-ready, scalable, and robust solution for demanding electrical infrastructures.

17.5kV Compact Modular Vacuum switchgear with Shielded Solid Insulation System

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