ZF16-252(L)/Y4000-50 Gas Insulated Switchgear
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ZF16-252(L)/Y4000-50 Gas Insulated Metal-Enclosed Switchgear (hereinafter referred as GIS) is applicable for the electrical system with features of three phases AC, 50Hz, and rated voltage of 252kV.
The GIS meets the relative requirements of national standard - GB7674-2008 and international standard IEC60517. All the components inside the GIS conform to the corresponding national standard.
The three-phase main busbars of GIS share one common enclosure, while all the other compo-nents are separated in three different compartment.
2 Service and Installation Conditions
Installation site: Indoor or outdoor
Ambient temperature: -25℃~+40℃ (for circuit breaker)/ -40℃~+40℃ (for other parts)
Altitude: 1000m (No limitation for special order)
Relative humidity at average per day (25℃): ≤95%
Relative humidity at average per month: ≤90%
Wind speed: ≤34m/s (wind pressure ≤700Pa)
Icing thickness: 20mm
Horizontal acceleration: ≤0.3g
Vertical acceleration: ≤0.15g
Symmetrical Creepage distance: 25mm/kV (pollution class III), 31mm/kV (class IV)
Keep the breaker away from places with combustible, explosive, corrosive materials and violent vibrations.
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