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OPGW Fiber Optic Cable Product Overview

OPGW (Optical Power Ground Wire) cable combines optical fibers with the overhead ground wire of high-voltage transmission lines, enabling simultaneous electrical grounding and optical communication within a single cable. This dual-function design enhances system reliability, simplifies infrastructure, and reduces construction costs. With its metal-reinforced structure, OPGW cables are strong, durable, and resistant to harsh environmental conditions.

Key Features & Advantages

• Advanced Protection: Stainless steel tubes filled with water-blocking compounds safeguard optical fibers from moisture and physical damage.

• High Strength & Compact Design: Offers excellent tensile strength and structural compactness, suitable for long-span outdoor installations and extreme environments.

• Minimal Electromagnetic Interference: Reduces interference between communication signals and short-circuit currents in power systems.

• Easy Installation: Compatible with standard ground wire specifications, ideal for new construction and replacement projects.

Applications & Benefits

OPGW cables are essential for smart grid and modern utility infrastructure, providing a reliable communication backbone integrated into power transmission lines. They enable:

• Real-time monitoring and fault detection

• High-speed long-distance data transmission

• Improved grid efficiency and reduced downtime

With excellent resistance to lightning, wind loads, and temperature variations, OPGW cables are a preferred solution for utilities seeking to modernize networks efficiently while minimizing installation disruption and cost.

OPGW Fiber Optic Cable Application and Structure

Applications:
OPGW (Optical Power Ground Wire) cables are primarily used for power line communication, integrated with relay protection, automatic control systems, and installed alongside high-voltage transmission lines. They are ideal for new overhead power line projects, including ultra-high voltage (UHV) transmission, providing both communication capacity and lightning protection by safely conducting short-circuit currents.

Structure:
The stranded optical ground wire is made of two or three layers of aluminum-clad steel (ACS) wires, or a combination of ACS and aluminum alloy wires, offering mechanical strength, durability, and electrical performance. The standard design features a central stainless steel tube housing the optical fibers, covered with aluminum for added protection.

Technical Specifications:

• Fiber Types: G652D, G655C, G657A1, 50/125, 62.5/125, OM3, OM4

• Fiber Core Count: Up to 96 cores

• Voltage Range: Suitable for power lines rated up to 110 kV and below

• Design Features: Stainless steel central tube, aluminum covering, high tensile strength, water-blocking, corrosion and UV resistance

Benefits:

• Combines high-voltage power transmission with optical communication in one cable

• Ensures reliable long-distance data transmission for telecom and smart grid applications

• Provides mechanical protection, lightning resistance, and durability for outdoor and high-stress environments

OPGW with PBT Aluminum Tube

OPGW Typical Designs of Stranded Stainless Steel Tube

Typical design for Double Layer:

Typical design for Three Layer:

OPGW Typical Designs of Central AL-covered Stainless Steel Tube

Typical Design for Single Layer

Typical Design for Double Layer

OPGW Typical Designs of Central Stainless Steel Loose Tube

Typical design for Single Layer:

Typical design for Double Layer:

FAQ:

1. Are you a manufacturer or trading company?
We are a professional fiber optic cable manufacturer with over 10 years of experience, specializing in the research, development, and production of fiber optic cables, drop cables, patch cords, and related products. Our factory is located in Guangzhou City, China, and you are warmly welcome to visit us.

2. How do you ensure product quality?
Every fiber is carefully tested before delivery to guarantee quality and performance. After price confirmation, you can request free samples to check our standards.

3. Can you accept small orders?
Yes, we support small orders and trial projects, understanding that business often begins with initial smaller quantities.

4. What is the typical delivery time?
Delivery usually takes 3–7 working days, depending on the order quantity. We ensure prompt shipment once payment is received.

5. Do you provide OEM and customization services?
Yes, we offer OEM and ODM services. Your logo can be printed on products, and we can accommodate various customization requests to meet your project needs.