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High Voltage Electrical Apparatus Source Factories | Wholesale HV Equipment Platform

Discover verified high voltage electrical apparatus source factories on our vertical platform! We gather top-tier HV equipment manufacturers offering ISO/IEC certified products, OEM/ODM support, bulk pricing, and on-time delivery. Skip middlemen—source directly from reliable factories for your global projects.
550kV Gas Insulated Switchgear HV (GIS)
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550kV Gas Insulated Switchgear HV (GIS)
Negotiable
550kV Ultra-High Voltage Gas-Insulated Switchgear (GIS) features gas insulation, compact design, and top reliability. Ideal for ultra-high-voltage grids, large new energy integration, and key power transmission projects.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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420kV HV Gas Insualted Switchgear(GIS)
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420kV HV Gas Insualted Switchgear(GIS)
Negotiable
420kV High-Voltage Gas-Insulated Switchgear (GIS) offers gas insulation, compact structure, and high reliability. Ideal for ultra-high-voltage power grids, new energy integration, and large-scale industrial power distribution.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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145kV HV Gas-Insulated Switchgear (GIS)
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145kV HV Gas-Insulated Switchgear (GIS)
Negotiable
145kV High-Voltage Gas-Insulated Switchgear (GIS) features compact design and gas insulation for reliability. Ideal for high-voltage power grids and new energy grid connection, with strong environmental adaptability.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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252kV HV Gas Insulated Switchgear (GIS)
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252kV HV Gas Insulated Switchgear (GIS)
Negotiable
252kV High-Voltage Gas-Insulated Switchgear (GIS) adopts gas insulation and compact design. Reliable for high-voltage power grids, new energy integration, and industrial distribution with excellent stability.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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40.5kV HV Gas Insulated Switchgear (GIS)
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40.5kV HV Gas Insulated Switchgear (GIS)
Negotiable
40.5kV HV Gas Insulated Switchgear (GIS): Compact, reliable for medium - voltage power distribution. Boost grid efficiency.1250/2000/2500/3150A
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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330kV 345kV 400kV 550kV High Voltage Gas Insulated Switchgear (GIS) Original Manufacturer
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330kV 345kV 400kV 550kV High Voltage Gas Insulated Switchgear (GIS) Original Manufacturer
Negotiable
Explore 550kV HV Gas Insulated Switchgear (GIS). Using SF₆ gas, it's compact, reliable. Ideal for high - voltage power transmission, ensuring efficient grid operation.;SF6;550kV;6300A;
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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800kV HV Gas Insulated Switchgear (GIS)
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800kV HV Gas Insulated Switchgear (GIS)
Negotiable
800kV Ultra-High Voltage Gas-Insulated Switchgear (GIS) boasts gas insulation, compact structure, and superior reliability. Ideal for ultra-high-voltage grids, large new energy integration, and critical power transmission.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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225kV 230kV 245kV 252kV High Voltage gas-insulated metal-enclosed switchgear(GIS)
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225kV 230kV 245kV 252kV High Voltage gas-insulated metal-enclosed switchgear(GIS)
$1,200.00
High-voltage gas-insulated metal-enclosed switchgear (GIS) for 225kV, 230kV, 245kV, 252kV applications, offering compact, safe, and reliable power substation control.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Underground Arresters
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Underground Arresters
Negotiable
Underground Arresters shield underground power cables/lines from surges, lightning. Corrosion-resistant, moisture-proof—ideal for underground grids, ensuring system safety.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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3 to 48kV Porcelain Housed Surge Arresters
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3 to 48kV Porcelain Housed Surge Arresters
Negotiable
Porcelain Housed Surge Arresters: Durable, weather-resistant porcelain shell fends off voltage surges/lightning. Protects power systems, substations—reliable, high-insulation defense.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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