T10 Ring Main Unit Gas-Insulated Switchgear (SF6)

Our T10 Ring Main Unit (RMU) Gas-Insulated Switchgear is a great option for power distribution applications It offers optimal dielectric strength while maintaining excellent arc-quenching properties for enhanced safety. Customers often base their decision on the type of GIS solution they choose on space limitations. We offer individual tank and combined tank configurations under the following parameters: Individual gas tank: 15 kV – 38 kV / 1200 A – 600 A / 20 kA – 25 kA Combined gas tank: 15 kV – 27 kV / 600 A / 20 kA

TECHNICAL DATA SHEET

ParametersUnitT10T20T20P
Rated VoltagekV53869
Rated Power Frequency Withstand VoltagekV2880140
Rated Lightning Impulse Withstand Voltage
(BIL) Phase to Phase and Phase to Ground
kV75170325
Rated Continuous CurrentA60012001200
Rated Short Circuit CurrentkA2031.531.5
Rated Peak Withstand CurrentkA508080
Rated FrequencyHz606060
Rated Gas Pressure (20C)Bar1.31.31.3
Annual Leakage RateYear< 0.1%
Operational / Survival Temperature Range**°C-25 to +40 / -50 to +60 **
Ingress Protection Code: Gas Tank / LV** IP67 / IP40 **
Altitude**m< 2,000 **
Internal Arc Class (IAC) – Arc Resistance
Code
1 secAFLR
Width**mm450/18800/32900/36
Height**mm1900/752500/982500/98
Depth**mm990/39 ~2100/83 depends on power cables entry top / bottom. Max is 6 cables bottom entry, 4 power cables top entry. **