High Voltage GW4 110kV Outdoor Disconnector with Copper and Porcelain Components for Electrical Systems

Optimized Product Description:

The GW4 Series represents a state-of-the-art line of Outdoor 110kV Disconnector Switches, engineered for superior reliability and minimal maintenance. Developed in response to industry advancements and based on extensive nationwide research—including insights from numerous power supply bureaus, substations, and operations personnel—this disconnector is designed to meet modern demands for durable, high-performance switching equipment.

This Copper/Porcelain 110kV Disconnector Switch ensures safe and efficient isolation in high-voltage AC systems, emphasizing a maintenance-light and maintenance-free design where applicable.

Compliance & Standards:
The GW4 110kV Switch complies fully with:
GB1985-2004 (High-voltage Alternating Disconnecting Switches and Earthing Switches)
IEC 62271-102:2002 (AC Disconnecting Switches and Earthing Switches)
IEC 60694:1996 (Common Specifications for High-voltage Switchgear and Controlgear)

Ambient Operating Conditions:

Altitude: 1000m to 3000m

Ambient Temperature: -30°C to +40°C (-40°C in alpine regions)

Wind Speed: ≤ 34 m/s

Seismic Resistance: ≤ 8 degrees

Pollution Level: Air pollution grade IV

Ice Thickness: ≤ 10 mm

Installation Site: Must be free from flammable, explosive materials, chemical corrosion, and severe vibration

Post Insulator Pollution Class: Class 0 (General Type) / Class 2 (Pollution Resistant Type)

Ideal for outdoor substations and transmission applications, the GW4 Outdoor 110kV Disconnector offers robust construction, exceptional environmental adaptability, and long-term operational reliability.