Gas Insulated Switching Device (SF6) Air Insulated Busbar
Rated Voltage: Up to 24 KV
Rated Current: Up to 1250 KA
Rated Short Time With stand Current: 20 KA (3s)
Type of Switchgear: Metal Enclosed (Fix-SF6)
Classification of switchgear is according to: IEC 62271-200
Advantages:
Compact Design
Extendable
Reliable and Safe Operation
Ecological
Cost-Efficient
Maintenance-Free Design
Independent of Environment and Climate
Design and construction |
Partition class | PM (metallic partition) |
Loss of service continuity category panels • With HV HRC fuses [T,M(VT-F),…] • Without HV HRC fuses(R,L,D,…) • Metering panels type M Or bus riser panel type H |
LSC 2 LSC 2 LSC 1 |
Accessibility to compartments (enclosure) • Busbar compartment • Switching-device compartment • Switching-device compartment with removable circuit-breaker • Low-voltage compartment (Option) • Cable compartment For panels : • Without HV HRC fuses(R, L,…) • With HV HRC fuses(T,…) • Cable feeder(k) • Metering panel (air-insulated) (M,…H) |
• Tool-based • Non-accessible • Interlock-controlled • Tool-based • Interlock-controlled • Interlock-controlled • Tool-based • Tool-based |
Internal arc classification(option) |
The following internal arc Classifications are fulfilled: IAC A FL(R), I sc, t |
|
IAC | = Internal arc classifiction |
IAC class for • Wall-standing arrangement • Free-standing arrangement |
Rated voltage 7.2 kv to 24 kv: IAC A FL, I sc, t IAC A FLR, I sc, t |
Type of accessibility: A • F • L • R |
Switchgear in closed electrical service location Access “for authorized personnel only” (according to IEC 62271-200) Front Lateral Rear (for free-standing arrangement) |
Arc test current I sc | Up to 21 kA |
Test duration t | 1 s |