1. Description

FTG-12 solid insulated switchgear mainly has three
functional unit modules, D, I, and R units. Each unit is
structurally divided into an instrument room, an operating
mechanism room, a main bus room, and a branch bus
room. The instrument room can be equipped with
microcomputer protection (intelligent controller) and
other meters; the operating mechanism is a spring
operating mechanism or an electric operating mechanism can be selected; the primary circuit (main bus and branch bus) uses APG automatic gel process, Isolator and vacuum interrupter are completely sealed in epoxy
2. Environmental Conditions

(1) Suitable Altitude: ≤2000mSuitable

(2) Temperature: -40℃ ~ +55℃Relative

(3) Humidity: Daily mean ≤95%, monthly mean ≤90%

(4) Gradation of Earthquake Damage: ≤ Level 8