DFW-12/24 Switching Station for Substation
Technical Specification:NoItemUnitParemeter1RatedvoltageKV12242RatedcurrentA6306303RatedshorttimewithstandcurrentKA/3S20204RatedpeakwithstandcurrentKA/3S50505Powerfrequencyvoltag/phase/toground/fractureKV42/4842/486LightingimpulsewithstandvoltageKV85857SecondarycircuitpowerfrequencywithstandvoltageKV228RatedcurrentbreakingtimesTime1001009RatedcablebreakingcurrentA101010Ratedclosed-loopbreakingcurrentA63063011ShellprotectionclassIP66IP6612SF6gaspressure(Relativeabsolutepressure)KPa404013SF6gasleakrate<1‰<1‰14Equippedwithcablecrosssectionmm²<=400<=400Production Description:
DFW-12/24 switching station is applicable to 3.6-24kV three- phase AC 50HZ power grid cable system, which is mainly used for the substation and power distribution system of electric power distribution, control, protection,measurement and supervision.
Features:
The shell material is made of cold rolled steel plate, stainless steel plate, etc.
The top plate with double-layer structure,to prevent thermal radiation increase indoor temperature.
Perfect protection performance, convenient operation, ensure the safety of the maintenance;
Applicable conditions:
Altitude:≤2000m
Ambienttemperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%
Monthly average≤90%
Seismic capacity: 8 degrees