RSAD-12 Eco-friendly RMU 97% of all the materials can be recycled |SF6 free
Item Vacuum circuit breaker Isolating / earthing switch
Rated voltage (kV) 12 12
Power frequency withstand voltage (kV) 42/48 42/48
Lightning impulse withstand voltage (kV) 75 / 85 75 / 85
Rated current (A) 630 630
Short circuit breaking current (kA) 20
Short circuit making current (peak, kA) 50 50
Short time withstand current 4s (kA) 20 20
Mechanical life (times) 10000 Isolating 3000 / grounding 3000

RSAD-12 series insulated switchgear shall comply with IEC62271-100, IEC62271-102, IEC62271-103, IEC62271-200, IEC62271-1, GB/T11022-1999, GB3906-2006, GB1985-2004, GB1984-2003, GB3309-89 and other standards.

Item Parameter
Item Parameter
RSAD-12 Eco-friendly Gas Insulated Ring Main UnitGenerally 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 measure≤ 95%; monthly measure ≤ 90%)
IACAFLR 20kA 1s
Service continuity categoryLSC2A
Cable bushing standardDIN47636T1 and T2/EDF HN 525-61
Altitude≤ 2000 m (under standard inflation pressure)
Gas pressureLow than 20 ℃, 1.2bar (absolute pressure)
Annual leakage rate0.25‰ / year
Immersion test0.3bar pressure underwater 24h
Protection degreeTank IP67
Enclosure IP4X

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