Model Number: GW7 Series Brand Name: GAOYAN Key Specifications/Special Features: 1. SummaryThis disconnector is 3-column horizontal rotation type, 50Hz 3-phase switchgear used for closing and opening the circuit in no-loading condition in 220-500 kV Power system. The product can be divided into following different types:A. Divided according to being equipped with earthing switch: non-earthed type, single-earthed type and double-earthed type.B. Divided according to being used in different area: general type and pollution-proof type. The technical data of the product are confirmed with IEC standards and National standards, its acceleration of earthquake withstood is 0.4g (equivalent to 9-degree of earthquake intensity).2. Environment condition1.Altitude:≤1000m;2.Ambient temperature: -25℃ ~+40℃ ;3.Relative humidity: daily average ≤95%, monthly average ≤90%;
4.Earthquake intensity: ≤8degree;
5.Applicable occasions should free from inflammables, explosives, corrosives and severe vibration.