SCHNEIDER AS-S908-001 gas-insulated switchgear

Description

SCHNEIDER AS-S908-001 gas-insulated switchgear

Schneider Electric is a global leader in Gas-Insulated Switchgear (GIS), primarily through its GMA, GHA, and the eco-friendly GM AirSeT ranges. GIS technology uses sulfur hexafluoride ($SF_6$) or high-purity air as the insulating medium, allowing for extremely compact designs compared to traditional air-insulated switchgear (AIS).

1. Product Detailed Description

Schneider GIS systems are factory-assembled, metal-enclosed, and vacuum-interrupting switchgear. The primary conductive parts are housed in a hermetically sealed stainless steel tank filled with insulating gas. This protects the internal components from environmental factors such as humidity, dust, and salt, ensuring a maintenance-free high-voltage compartment for the life of the product (typically 30+ years).

Key Product Series:

• GMA / GHA: Traditional $SF_6$ insulated units for primary distribution.

• GM AirSeT: The latest “Green” innovation using pure air instead of $SF_6$, eliminating greenhouse gas concerns.

• WI: High-performance GIS for heavy industrial and railway applications.

2. Typical Technical Parameters (Medium Voltage)

Note: Specifications vary based on the specific range (e.g., 12kV vs 40.5kV).

3. Product Advantages

• Space Saving: GIS footprints are up to 50% to 70% smaller than Air-Insulated Switchgear, making them ideal for urban substations or containerized solutions.

• Insensitive to Environment: Since the high-voltage parts are sealed, they are immune to high altitude, coastal salt air, dust, and moisture.

• Enhanced Safety: The grounded metal enclosure prevents accidental contact with live parts and provides superior internal arc protection for personnel.

• Low Maintenance: The gas tank is “sealed for life,” meaning no cleaning or tightening of primary busbars is required inside the tank.

• Smart Grid Ready: Integrated with Schneider’s EcoStruxure IoT platform for thermal monitoring and predictive maintenance.

4. Important Considerations (Precautions)

• Gas Pressure Monitoring: Always monitor the gas pressure manometer. If the pressure drops below the green zone, the insulation strength is compromised.

• SF6 Handling: For $SF_6$ models, end-of-life disposal must be handled by certified professionals to prevent the release of greenhouse gases.

• Installation Leveling: Because GIS units are rigid and factory-sealed, the floor or steel frame must be perfectly level to avoid mechanical stress on the busbar connections.

• Cable Termination: Requires specialized “inner cone” or “outer cone” plug-in connectors. Standard cable lugs cannot be used.

5. Product Applications

• Data Centers: Where space is at a premium and high reliability is mandatory.

• Renewable Energy: Wind farm towers and solar plant substations, especially in harsh coastal or desert environments.

• Urban Infrastructure: Underground substations in crowded cities, hospitals, and airports.

• Heavy Industry: Oil & gas platforms, mining, and large manufacturing plants with high-pollution environments.

• Transportation: Metro systems and railway traction power stations.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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