Saudi Arabia-Rolink Digital Energy（Xi'an）Limited

DESIGN AND CONSTRUCTION REQUIREMENTS
GENERAL
RMU type		Outdoor & Indoor
RMU configuration		3-Way / 4-Way
Tee-off		Circuit breaker
Terminal fastener for ring switch		M16
Terminal fastener for C. B		M16/M12
RING SWITCH (LBS)		CIRCUIT BREAKER
Service voltage	13.8 kV	Service voltage	13.8 kV
Maximum operating voltage	17.5 kV	Maximum operating voltage	17.5 kV
Rated frequency	50/60 Hz	Rated frequency	50/60 Hz
Rated current	630/400 A	Rated current	200 A
Short circuit withstand current, 1 sec	21 kA	Rated short circuit level, 1 sec	21 kA
Rated making current (peak)	54.6 kA	Rated making current	54.6 kA
Rated making current of earthing switch (peak)	54.6 kA	Re-striking voltage ratio	1.4
Impulse withstand voltage	110 kV	Duty cycle	O-t1-CO-t2-CO
Power frequency withstand voltage, 1 min. (Ref. 01-SDMS-01)	45 kV rms	Making time	ms
Internal arc fault withstand current for 1 sec	21 kA	Opening time	ms
		Arc duration	ms
		Total breaking time	ms
		Operating mechanism	Spring charged

Item Parameter

RSF-17.5kV SF6 Gas Insulated RMUGenerally 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

Download catalogues Download product manuals Download type test reports

A digital way out to a green future.