Composite GIS Switchgear Bushing

Composite GIS Switchgear Bushing: RIP and RIF’s condenser dry type. They are suitable for GIS transformer substation. Composite means silicone rubber. The Silicone rubber sleeve material of dry type GIS bushing are Dow Corning, imported from USA, which have a good quality...

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Composite GIS Switchgear Bushing: RIP and RIF’s condenser dry type. They are suitable for GIS transformer substation.


Composite means silicone rubber. The Silicone rubber sleeve material of dry type GIS bushing are Dow Corning, imported from USA, which have a good quality and good electric performance. Integral injection of shed can be mold at the vulcanization for extrusion process and high temperature & high pressure. The composite materials meet the IEC 60587.


Product style: FERGL/ETA-

Rated voltage: 72.5~550kV

Rated current: 630~6000A



Why choose us?

1.Certification: ISO9001, ISO14001, OHSAS18001 , GOST, KEMA,

2.Voltage range is from 12 kV to 800 kV, Current range is from 1A to 50000A

3.Bushing is Dry type, without Oil, Anti-Blast. Free Maintained. 9 level anti-seismic

4.Installed angle up to 30° from vertical 

5.Low partial discharge levels Inflaming retarding insulating materials with stable electrical performance and without decomposition, without combustion and explosion hazard

6.Short delivery time. 0-120 days.

7.Intelligent devise will be provide to inspect bushing on-line 

8.Standard: IEC 60137,IEEE or other international standard

9.Pass the KEMA, CEPRI, CNAS type test.

10.Applied for the high pollution area



Main bushing technical parameter.

Technical standards

IEC 60137 Ed.6.0

IEC 60137 Ed.6.0

IEC 60137 Ed.6.0

IEC 60137 Ed.6.0

IEC 60137 Ed.6.0

Rated voltage

72.5kV

126kV

252kV

363kV

550kV

Rated current

630-4000A

630-4000A

630-4000A

630-3150A

630-1600A

1min power frequency dry(wet) voltage withstand

155kV

255kV

505kV

595kV

740kV

Full-wave impulse withstand voltage of lighting

325kV

550kV

1050kV

1175kV

1800kV

Under 1.05 times of maximum phase voltage tan δ


≤0.005

≤0.005

≤0.005

≤0.005

Partial discharge under the rated voltage


≤10pC

≤10pC

≤10pC

≤10pC

Bending resistant test load

1000--5000N

1000--5000N

1000--5000N

1000--5000N

1000--5000N

The minimum nominal creepage distance


31mm/kV

31mm/kV

31mm/kV

31mm/kV



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