To rank effectively for GTXGN Solid Insulated Switchgear (SIS), the content must emphasize its environmental friendliness (SF6-Free), compact safety, and maintenance-free nature. Engineering firms and utility providers are increasingly moving away from SF6 gas due to environmental regulations, making "Solid Insulation" a high-intent search term.
The following English product page is written with a professional, technical, and authoritative tone to capture B2B procurement and infrastructure project leads.
12kV - 40.5kV Medium Voltage Switchgear | SF6-Free & Eco-Friendly | Compact Modular Design
The GTXGN Series Solid Insulated Switchgear represents the next generation of medium-voltage power distribution. Unlike traditional GIS that relies on SF6 gas for insulation, the GTXGN utilizes solid epoxy resin encapsulation to house all live high-voltage components.
This "Green" switchgear is designed for 10kV to 35kV (up to 40.5kV) systems, offering a completely sealed, fully insulated, and maintenance-free solution. It is the ideal choice for environmentally conscious projects, urban distribution networks, and high-altitude or harsh-climate installations where gas leakage and environmental impact are major concerns.
100% SF6-Free (Eco-Friendly): By replacing sulfur hexafluoride gas with solid epoxy insulation, the GTXGN eliminates the risk of greenhouse gas leakage, making it compliant with the strictest global environmental standards and "Net Zero" initiatives.
Fully Encapsulated & Safety-First: All primary conductive circuits are encapsulated in high-performance epoxy resin. This provides a total shield against dust, humidity, salt spray, and small animals, preventing accidental contact and phase-to-phase short circuits.
Smart & Modular Architecture: The compact, modular design allows for flexible combinations of "Incoming," "Outgoing," and "Metering" units. It is easily extensible, making it perfect for future grid expansions.
Maintenance-Free Longevity: With no gas pressure to monitor and no contacts exposed to air, the GTXGN offers a service life exceeding 30 years with minimal operational maintenance.
Compact Footprint: The solid insulation technology allows for smaller phase-to-phase distances, resulting in a cabinet that is up to 40% smaller than traditional air-insulated switchgear—critical for basement substations and mobile power containers.
| Feature | Detailed Specifications |
| Rated Voltage | 12kV / 24kV / 35kV / 40.5kV |
| Insulation Type | Solid Insulation (Epoxy Resin Encapsulated) |
| Rated Current | 630A / 1250A |
| Short-time Withstand Current | 20kA / 25kA / 31.5kA (4s) |
| Peak Withstand Current | 50kA / 63kA / 80kA |
| Power Frequency Withstand | 42kV / 70kV / 95kV (1 min) |
| Lightning Impulse Withstand | 75kV / 125kV / 185kV |
| Protection Degree | IP67 (High Voltage Part) / IP4X (Enclosure) |
| Standard Compliance | IEC 62271-200, IEC 62271-1, GB/T 3906 |
Smart Urban Grids: High-reliability ring network distribution for densely populated cities.
High-Altitude & Low-Temp Zones: Unlike gas-insulated units that lose pressure in extreme cold or high altitudes, solid insulation remains perfectly stable.
Coastal & Humid Environments: Ideal for shipyards, tunnels, and tropical regions where salt-air corrosion is a constant threat.
Green Energy Infrastructure: Perfect for wind farms, solar PV collector stations, and EV charging hubs seeking "Green" certification.
Smart Grid Intelligence: Our units are equipped with integrated sensors for temperature, partial discharge, and circuit breaker status, fully compatible with SCADA and remote monitoring protocols.
Advanced "Five-Proof" Interlock: Features a mandatory mechanical and electrical interlocking system to ensure zero operational errors and maximum staff safety.
Vacuum Interruption Technology: High-end vacuum interrupters ensure arc-free switching and an exceptionally high mechanical endurance rating.
Project-Specific Customization: We provide bespoke cabinet layouts and protection relay integrations (ABB, Schneider, or SEL) to match your specific engineering blueprints.
Q: Is Solid Insulated Switchgear (SIS) more expensive than SF6 GIS?
A: While the initial material cost of epoxy encapsulation can be higher, the Total Cost of Ownership (TCO) is lower due to zero gas-refilling costs, zero leakage monitoring requirements, and a significantly longer maintenance-free lifespan.
Q: Does it suffer from "Aging" of the epoxy resin?
A: No. We use high-purity, vacuum-cast epoxy resin with anti-aging additives that maintain dielectric strength for over 30 years under standard operating temperatures.
Q: Can this be used in 40.5kV systems?
A: Yes. The GTXGN series is specifically optimized for both 12kV and 40.5kV applications, providing a standardized look and feel across your entire medium-voltage network.