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Home > Electrical & Electronics > Power Supply & Distribution > Switchgear > RW11-12KV Drop-Out Fuse for Overhead Line Protection in Utility Power Networks

RW11-12KV Drop-Out Fuse for Overhead Line Protection in Utility Power Networks

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Product Spotlights

RW11-12KV Drop-Out Fuse provides reliable overcurrent protection for 12KV overhead utility lines. Features a clear drop-out fault indication, robust outdoor construction, and configurable current ratings. Enhances system reliability, protects assets, and offers a cost-effective safety solution for power networks.

US$ 25 ≥10 Units

Key Specifications

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Material:

High-grade porcelain or composite insulator

Voltage Rating:

12KV

Current Rating:

Available in various standard ratings (e.g., 10A, 20A)

Contact Supplier Request Quote Chat Now

Jinhua Dika Electrical Equipment Co., Ltd.

1Yr

Payment & Shipping

Payment Methods:

Port of Shipment:

China

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material High-grade porcelain or composite insulator

Voltage Rating 12KV

Current Rating Available in various standard ratings (e.g., 10A, 20A)

Configuration Single or multiple pole, drop-out type

Application Overhead line protection in utility power networks

Model RW11 series

Standards Designed to meet common utility network requirements

Mounting Pole-mounted, suitable for crossarm installation

Function Overcurrent protection, automatic circuit isolation upon fault

As a specialized manufacturer of electrical protection equipment, Jinhua Dika Electrical Equipment Co., Ltd. leverages its expertise to produce the RW11-12KV Drop-Out Fuse, a critical component for safeguarding utility power networks. Our commitment to rigorous quality management, evidenced by certifications like ISO9001, ensures that every unit delivers reliable performance in demanding overhead line applications. This fuse is engineered to provide dependable overcurrent protection, automatically isolating faulty sections to prevent widespread outages and equipment damage.

The RW11-12KV Drop-Out Fuse is designed specifically for the protection of overhead distribution lines in 12KV utility networks. Its core function is to interrupt excessive current flow caused by faults such as short circuits or overloads, thereby protecting transformers, lines, and other connected assets.

Key Features & Technical Specifications:

Drop-Out Mechanism: Upon fuse element melting, the fuse tube automatically drops open, providing a clear visual indication of a fault and ensuring physical isolation of the circuit.
Robust Construction: Utilizes high-grade materials for the insulator body (porcelain or composite) and corrosion-resistant metal components to ensure long service life in outdoor environments.
Standard Voltage Rating: Rated for 12KV systems, making it suitable for a wide range of medium-voltage overhead distribution applications.
Configurable Current Ratings: Available with various fuse link ratings (e.g., 10A, 20A, 40A, etc.) to match the specific load and protection requirements of different line segments.
Easy Installation & Maintenance: Designed for straightforward pole mounting. The drop-out action and replaceable fuse link simplify fault recovery and maintenance procedures.

Detailed Benefits for Utility Clients:

Enhanced System Reliability: Quickly isolates faulted sections, minimizing the extent of outages and speeding up restoration times.
Asset Protection: Prevents damage to expensive transformers and line conductors by interrupting fault currents before they reach destructive levels.
Operational Safety: The clear visual drop-out signal aids linemen in quickly locating faults, enhancing safety during troubleshooting.
Cost-Effective Solution: Offers a reliable and economical primary protection method compared to more complex automated switching devices.

Typical Technical Parameters (Common Configurations):

Parameter	Value / Description
System Voltage	12KV
Rated Current (Fuse Link)	10A, 20A, 40A, 100A (customizable)
Breaking Capacity	Designed to interrupt fault currents typical for overhead lines
Insulator Material	Porcelain or Composite (options available)
Mounting Type	Pole-mounted (crossarm)
Operating Temperature Range	Standard ratings for outdoor utility environments

Jinhua Dika Electrical Equipment Co., Ltd. supports a global client base across North America, South America, Europe, Asia, Africa, and Oceania, with an annual export value reflecting strong international trust. Our products are shipped from major Chinese ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensuring efficient logistics. The RW11-12KV Drop-Out Fuse embodies our manufacturing philosophy: delivering robust, reliable, and cost-effective protection solutions that meet the practical needs of utility power networks. We encourage utility companies, distributors, and project contractors to contact us for detailed specifications, pricing, and to discuss how this product can enhance the safety and reliability of your overhead distribution systems.

Frequently Asked Questions (FAQ)

Q: What is the primary purpose of a drop-out fuse in an overhead line?
A: Its primary purpose is to act as an overcurrent protector. When a fault occurs, the fuse element melts, causing the fuse tube to drop open. This automatically isolates the faulty section of the line, preventing further damage and outage spread.
Q: How do I select the correct current rating for the RW11 fuse?
A: The selection depends on the normal load current of the line segment you are protecting and the required fault protection level. Common ratings like 10A, 20A, or 40A are available. Consulting your system design specifications or contacting us for technical support is recommended.
Q: Is the fuse link replaceable after an operation?
A: Yes. After the fuse drops open, the melted fuse link can be replaced with a new one of the same rating, and the fuse tube can be reclosed, restoring the circuit once the fault is cleared.
Q: What are the installation requirements for this fuse?
A: It is designed for pole mounting on a crossarm. Installation should follow standard utility practices, ensuring proper clearance and secure mounting. Specific mounting hardware may be available upon request.
Q: Can this fuse be used in environments with severe weather conditions?
A> The construction uses materials resistant to corrosion and weathering. However, for specific severe conditions (e.g., high salinity, extreme temperatures), discussing material options with our team is advisable.
Q: Does the product come with any specific international certifications?
A: As a manufacturer with a comprehensive quality system (including ISO9001), our products are designed to meet common utility standards. Specific certification requirements for your market can be discussed during inquiry.
Q: What is the typical delivery lead time for orders?
A> Lead times vary based on order quantity and configuration. Given our established export operations from major ports, we can provide efficient shipping schedules. Please inquire for current lead time estimates.
Q: Are custom configurations or special ratings available?
A: Yes. We can discuss customizations such as specific current ratings, special mounting hardware, or other modifications to suit unique project requirements.