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Certified Gas Insulated Switchgear (GIS) Source Factories | Wholesale HV GIS Equipment

Connect with top GIS source factories specializing in gas insulated switchgear! Our verified manufacturers offer ISO/IEC certified HV GIS, compact structure, low maintenance, custom configurations, and global after-sales. Direct factory pricing for space-saving power grid solutions.

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HV gas-insulated metal-enclosed switchgear(GIS) for Substation-252kV
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HV gas-insulated metal-enclosed switchgear(GIS) for Substation-252kV

$1,200.00
High-voltage gas-insulated metal-enclosed switchgear (GIS) for 252kV applications, offering compact, safe, and reliable power substation control.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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SF6 Gas Insulated Switchgear for Substation Retrofit-40.5kV
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SF6 Gas Insulated Switchgear for Substation Retrofit-40.5kV
Negotiable
40.5kV HV Gas Insulated Switchgear (GIS): Compact, reliable for medium - voltage power distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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High Voltage Gas Insulated Switchgear (GIS) Original Manufacturer-330kV 345kV 400kV 550kV
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High Voltage Gas Insulated Switchgear (GIS) Original Manufacturer-330kV 345kV 400kV 550kV

Negotiable
550kV SF6 Gas Insulated Switchgear RHG-500. Single-break CB, hydraulic mechanism, 63kA breaking for EHV transmission substations.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Ultra-High Voltage Gas-Insulated Switchgear for Transmission Substation-800kV
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Ultra-High Voltage Gas-Insulated Switchgear for Transmission Substation-800kV
Negotiable
800kV Ultra-High Voltage Gas-Insulated Switchgear (GIS) boasts gas insulation, compact structure, and superior reliability.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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420kV SF6 Gas Insulated Switchgear for EHV Transmission Substation
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420kV SF6 Gas Insulated Switchgear for EHV Transmission Substation
Negotiable
ZF-420/4000-63 GIS 420kV SF6-insulated switchgear. 650/1425kV insulation, 63kA, 4000A, <5pC PD, horizontal CB, spring mechanism.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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IEC Standard GIS for Power Generation-252kV
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IEC Standard GIS for Power Generation-252kV
Negotiable
RHG-252/3150-50 GIS 252kV SF6-insulated switchgear. KEMA certified, 395/950kV insulation, compact 1670mm bay, 3150A, 50kA.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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High-performance HV Gas insulation switchgear (GIS)-72.5kV 126kV 145kV
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High-performance HV Gas insulation switchgear (GIS)-72.5kV 126kV 145kV
Negotiable
145kV GIS (KEMA-certified) has ≤3Pc partial discharge, ≤0.1% annual leakage. Compact (800mm min bay width), mart-monitored for power transmission/distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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HV Gas-Insulated Switchgear (GIS) for distribution substations-145 kV
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HV Gas-Insulated Switchgear (GIS) for distribution substations-145 kV
Negotiable
145kV High-Voltage Gas-Insulated Switchgear (GIS) features compact design and gas insulation for reliability.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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550kV Gas Insulated Switchgear HV (GIS) for power generation
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550kV Gas Insulated Switchgear HV (GIS) for power generation
Negotiable
550kV Ultra-High Voltage Gas-Insulated Switchgear (GIS) features gas insulation, compact design, and top reliability.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Low maintenance HV Gas Insulated Switchgear (GIS) for Power System-72.5kV 126kV 145kV
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Low maintenance HV Gas Insulated Switchgear (GIS) for Power System-72.5kV 126kV 145kV

Negotiable
ZF12B GIS 72.5/126/145kV SF6 gas insulated switchgear. Compact 3-phase enclosure, low maintenance, for transmission and substation.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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