GW9‑12/24/36(W) Outdoor Isolation Switch
GW9‑12/24/36(W) Outdoor Isolation Switch

GW9‑12/24/36(W) Outdoor Isolation Switch

The GW9-12/24/36(W) outdoor disconnect switch is designed specifically for overhead lines, supporting voltage ratings of 12kV, 24kV, and 36kV, as well as current ratings of 400A and 630A. Manufactured in strict accordance with IEC standards, it provides reliable power support for rural areas, remote regions, and urban power grids.
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Product Description

 

The GW9-12/24/36(W) outdoor disconnect switch is designed specifically for overhead lines, supporting voltage ratings of 12kV, 24kV, and 36kV, as well as current ratings of 400A and 630A. Manufactured in strict accordance with IEC standards, it provides reliable power support for rural areas, remote regions, and urban power grids.

GW9-12/24/36(W) Outdoor Disconnect Switch is suitable for operation at multiple frequencies (50Hz and 60Hz).

It features a three-phase frame structure composed primarily of high-strength steel components and a steel base.

Once installed, the contacts are clearly visible, facilitating line testing by field personnel and effectively ensuring on-site safety.

Designed for harsh outdoor environments, it offers excellent weather resistance, pollution/corrosion resistance, aging resistance, and waterproofing, effectively withstanding the impacts of adverse conditions.

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Notably, GW9-12/24/36(W) Outdoor Disconnect Switch features an innovative design and is manufactured using a unique combination of manual assembly and specialized processes; the equipment is lightweight, compact, and durable. It requires no routine maintenance, offers easier operation compared to standard models, and supports rapid, flexible on-site installation.

The product features a reliable locking mechanism and precision contact pressure design for electrical connections, ensuring that no accidental operation occurs due to external mechanical vibration or electrical interference in either the closed or open position, thereby guaranteeing continuous power transmission.

A cost-effective solution, this outdoor disconnect switch is widely used in wind power distribution systems and various other power distribution networks.

 

Product Specifications

 

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Item

GW9 12/24/36(W) Outdoor Isolating Switch

Material

Cast iron base, poll resistant shed insulator, copper contact with thin silver plated coating, pressure spring and hardware fittings

Color

Base & hardware: Black / galvanized silver grey; Insulator: Grey

Packing

Standard export wooden case / carton packing, suitable for outdoor sea transport; anti shock protection for insulators.

Shipping & Delivery

For LCL / FCL sea shipment

 

Our Product Advantage

  • Insulator with enlarged‑diameter shed design delivers superior anti‑pollution performance, suitable for desert, coastal and other heavily‑polluted areas.
  • Silver‑plated copper contacts equipped with pressure springs ensure stable contact pressure, low temperature rise and reliable long‑term current‑carrying performance.
  • Manufactured in compliance with IEC standards for stable and reliable quality.
  • Manual operation with built‑in self‑locking structure prevents accidental opening caused by external force or electrodynamic force.
  • Simple structure for convenient pole‑mounted installation.
  • Clearly visible isolation gap to guarantee operational safety for maintenance.
  • Over 20‑years manufacturing experience, products supplied to more than 100 countries worldwide.

Ambient Conditions

 

  1. Altitude: ≤ 1000 m
  2. Ambient temperature: -25 ~ +40 ℃
  3. Wind speed: ≤ 35 m/s
  4. Earthquake intensity: ≤ Grade 8
  5. For standard type switches: the working environment shall be free from chemical corrosion, dust and other volatile & corrosive substances.
  6. GW9‑12/24/36(W) outdoor AC high voltage disconnect switch (referred to as disconnect switch) is designed to open and close circuits under energized no‑load conditions for 50/60Hz power systems. It is an anti‑pollution type, suitable for operation in heavily polluted areas.

 

Packaging and Shipping

 

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FAQ

 

Q1: What are the main application scenarios of GW9 12/24/36(W) disconnector?

A1: It is a pole mount outdoor disconnector suitable for AC 50/60Hz medium voltage distribution networks. It is mainly used for sectional isolation of overhead lines and transformer districts, and widely applied in rural & urban distribution networks, PV branch lines and pole mounted substations.

Q2: What does the letter "W" in the model stand for?

A2: "W" denotes anti pollution type. The insulator adopts enlarged diameter shed design to resist salt fog, dust and chemical contaminants, which is suitable for coastal, desert and heavily polluted areas.

Q3: How to operate the product? Will accidental opening happen?

A3: It is manually operated by insulated operating stick. Equipped with built in self locking mechanism, it can prevent accidental opening caused by external force or electrodynamic force under closed condition.

Q4: What standards does the product follow? What are its available voltage and current ratings?

A4: Manufactured in strict accordance with IEC standards. Voltage ratings: 12kV, 24kV, 36kV; Optional rated current: 400A, 630A.

Q5: Is it difficult to install? How about the maintenance workload afterwards?

A5: Featuring compact structure, it allows convenient on site pole mount installation with low subsequent maintenance workload.

 

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