Photos of ProductGeneralGW1-12 series outdoor high voltage AC
disconnector (hereinafter referred to as "disconnector") It is
applicable to the device on the outdoor high-voltage distribution
equipment line for the replacement of 10kV line under voltage and
no load, and for the electrical isolation of the overhauled
high-voltage bus, circuit breaker and other electrical equipment
from the live high-voltage line. It can also be used to close a
small capacitive current and inductive current.The Isolation
switch(disconnector) is a double column vertical opening type,
equipped with a manual or electric mechanism, which can realize
three-phase linkage.The Isolation switch meets the technical
standards of high voltage AC disconnectors and earthing switches
(GB/T 1985-2014) and high voltage AC disconnectors and earthing
switches (DL/T 486-2010).Model And MeaningUsage Environmental
ConditionsAltitude: no more than 1000m. If the altitude is higher
than 1000m, the rated insulation level shall be corrected
accordingly.Ambient temperature: upper limit + 45 0C, lower limit -
40 0C, average temperature of the hottest month 30 0C, maximum
daily temperature difference 25K.Solar radiation intensity
(outdoor): 0.1W/cm2Wind speed / pressure (outdoor): 34m/s
/ 700PaPollution level: e-level Icing thickness: not more
than 20mmHumidity: average daily relative humidity, not more
than 95%, average monthly relative humidity not more than
80%Earthquake resistance: horizontal acceleration 0.3m/2, vertical
acceleration 0.15m/s2Safety factor: sinusoidal resonance three
cycle wave, safety factor above 1.67.Main AdvantagesThe utility
model has the advantages of simple structure, beautiful appearance,
and convenient installation.The insulator is designed with
high-strength porcelain material and a large climbing distance,
which has strong pollution resistance and environmental
adaptability and can meet the operation requirements in
high-altitude areas.The interlocking device can effectively prevent
the misoperation of the grounding knife.The operation is simple and
reliable. Manual or electric operation mechanisms can be selected
according to the user's requirements.Technical Parameters
No.ItemUnitData1Rated FrequencyHz502Rated VoltagekV123Rated
CurrentA630(1250)4Rated Short-time Withstand Current and
DurationIsolation SwitchkA/s20/425/425/431.5/4Earthing
Switch20/225/225/231.5/25Rated peak withstand currentkA50(63)6Rated
short-time power frequency withstand voltageInterphase, to
earth(dry)kV/min42/1Fracture(dry)48/1Interphase, to
earth(wet)42/17Rated lightning impulse withstand voltageInterphase,
to earthkV75Fracture 858Circuit resistanceμΩ≤100≤809Mechanical
lifeTimes300010Creepage distancemm≥372 (e - Level)Note: If the
altitude is over 1000m, the rated insulation level should be
modified as appropriate. Outline And Installation Dimension
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