The 33rd China International Exhibition on Electric Power Equipment and Technology
Shanghai New International Expo Center (Hall N1 - N5, W4 - W5), PR China 2026 • 12 • 3 - 5
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Invitation / Product Poster
1250A Environmental Gas-Insulated Switchgear
1. Suitable for environmentally friendly gas-insulated ring main units with a rated voltage of 12 kV and a rated current of 1250 A; 2. Random sampling of products meets State Grid requirements for temperature rise tests at 1.1 times the rated value, partial discharge testing, and other relevant standards; 3. Modular design ensures a compact structure, flexible operation, reliable interlocking, and convenient installation; 4. The gas compartment is filled with dry air, achieving "zero emissions" of greenhouse gases.
1250A SF6-insulated switchgear cabinet
1. Suitable for SF6 gas-insulated ring main units with a rated voltage of 12 kV and a rated current of 1250 A; 2. Random sampling inspections meet State Grid requirements for temperature rise tests at 1.1 times the rated value, partial discharge tests, and other relevant tests; 3. The circuit breaker mechanism has a mechanical endurance of ≥10,000 operations; 4. Modular design ensures a compact structure, flexible operation, reliable interlocking, and convenient installation.
Water-immersible ring main unit
1. Suitable for ring main units with a rated voltage of 12 kV (both environmentally friendly gas-insulated and SF6‑insulated), with the gas compartment, mechanism enclosure, and instrument cabinet all meeting an IP67 protection rating. 2. The operating mechanism of this cabinet type is routed via aviation connectors, resulting in a compact overall structure, small footprint, and convenient wiring. 3. Featuring a highly protective, fully sealed design and equipped with waterproof electrical components, it employs aviation connectors and waterproof joints for signal and power connections, thereby preventing mechanism corrosion or secondary circuit shorting that could otherwise impair normal opening and closing operations. 4. The submersible ring main unit can continue to operate reliably for an extended period even when fully submerged, ensuring uninterrupted power supply.
思源黑体预加载(勿删): 七星电气股份有限公司