United Arab Emirates 17.5kV-Rolink Digital Energy（Xi'an）Limited

Ratings & Specifications Operating Environment Product Solutions External Dimensions

Rated voltage	17.5 kV
Rated frequency	50 Hz / 60 Hz
Power frequency withstand voltage(1 minute)	38 kV rms
Impulse withstand voltage	95 kV
Rated current	630 A
Rated short-circuit breaking current	25 kA / 3s
Circuit breaker mechanical endurance	E2 / C2 / M2
Load break switch mechanical endurance	E3 / C1 / M2
Earth switch mechanical endurance	E2 / MO
Internal arc fault current for 1 second	21 kA
Circuit breaker operating cycle	O - t1 - CO - t2 - CO

United Arab Emirates 17.5kV shall comply with 32-SDMS-11 REV.02，GB/T11022-2020，GB3906-2020，GB1985-2023，GB3804-2017，GB1984-2024，IEC62271-1，IEC 60265-1，IEC62271-102，IEC62271-200，IEC62271-100，IEC 60255 and other standards.

Item Parameter

United Arab Emirates 17.5kVGenerally operate / service under normal indoor conditions, complying with IEC 60694

Ambient temperatureMaximum temperature +75℃;
Maximum temperature(24h average) +35℃;
Minimum temperature -45℃;

HumidityMaximum average relative humidity(24 hours ≤ 95%; monthly ≤ 90%)

IACAFLR 21kA 1s

Service continuity categoryLSC2A

Cable bushing standardDIN47636T1 and T2/EDF HN 525-61

Altitude≤ 2000 m (under standard inflation pressure)

Gas pressureLower than 20℃, 1.3bar (absolute pressure)

Annual leakage rate0.25‰/year

Immersion test0.3bar pressure underwater 24h

Protection degreeTank IP67
Enclosure IP54

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