Load Break Switch

Load Break Switch manufacturer

WEISHO, as a leading manufacturer of load break switches in the market, not only produces high-quality products through strict manufacturing processes, but also offers highly competitive pricing backed by a complete supply chain. At the same time, we support OEM manufacturing and personalized customization services to help customers enhance their brand competitiveness and market value.

What are our characteristics

Production technology

Adopting industry-leading manufacturing processes, continuously optimizing production processes, and improving efficiency and accuracy

Customization and OEM/ODM

Supports OEM/ODM services and can provide customized solutions according to your needs, including rated current, brand identification, etc

High performance-price ratio

Efficient production and strong supply chain management ensure high quality and low prices, reducing customer procurement costs

Long term partnership

Putting customers at the center, establishing long-term stable cooperation, and assisting in the growth of customer business.

Customizable Load Break Switch

Explore our extensive range of customized load break switches, suitable for various distribution scenarios and professional applications. We provide comprehensive solutions from basic load interruption to advanced intelligent switching control.:

Load Break Switch

FKRN12-12D Indoor High Voltage Air-Blast Load Break Switch

FLN36-12D SF6 Load Break Switch – Compact Indoor Solution

FLN36-12D SF6 Load Break Switch – Compact Indoor Solution

FZW32-12/T630-20 Outdoor High Voltage Isolating Vacuum Load Break Switch

FZW32-12 Outdoor High Voltage Isolating Vacuum Load Break Switch

FZW32-40.5 Outdoor AC High Voltage Vacuum Load Break Switch

FZW32-40.5 Outdoor AC High Voltage Vacuum Load Break Switch

A brief introduction

WHY CHOOSE US

FN7-12DR/400A 630A Indoor High Voltage Load Break Switch

Why choose an Load Break Switch

Load break switches (LBS) are essential components in modern electrical systems, providing reliable load interruption and short-circuit protection. They are designed to ensure safe and efficient operation across various applications. Here’s why a load break switch is the smart choice for your electrical system needs.

FLN36-24D SF6 Load Break Switch-Indoor Solution

Reliable Load Interruption

Load Break Switches (LBS) provide dependable switching and interruption of load currents, ensuring the safety and stability of your electrical distribution systems.

Advanced Security Features

Load Break Switch (LBS) is equipped with advanced safety features that help prevent electrical accidents and improve user safety.
FZN61-12 Indoor High Voltage Vacuum Load Break Switch
FZN21-40.5 Indoor Load Break Switch

Versatile Applications

Load Break Switches can be used in various environments and applications, making them a reliable choice for visible isolation and circuit switching in many electrical systems.

Cost-Effective Solution

Investing in Load Break Switches can save on replacement and maintenance costs because their rugged, simpler design offers high reliability and minimal components.

The advantages of our product

Visible Isolation Feature

Offers a guaranteed, unambiguous visual break (visible contacts) between the main circuit terminals, essential for safety during maintenance and repairs.

Load Switching Capability

Specifically designed to safely make and break load currents, providing necessary switching functions without requiring complex protection mechanisms.

High Mechanical Durability

Built with a rugged, simplified operating mechanism to handle frequent ON/OFF cycles, resulting in exceptional mechanical endurance.

Zero Maintenance Medium

Operates without arc-extinguishing mediums like oil or SF6, simplifying the design and minimizing the regular maintenance required for safe operation.

High Making Capacity

Guaranteed to safely close onto and withstand the forces of a short-circuit fault, ensuring system integrity and operator protection under fault conditions.

Ease of Integration

Features a compact, modular design that simplifies installation into various switchgear panels, making replacement and system integration straightforward.

Get Your Customized Quotation!

We provide customized solutions. Tell us your needs for a precise quote.

Not just an Load Break Switch manufacturer

We not only produce high-reliability Load Break Switches (LBS), but also offer a range of customized value-added services to meet your project needs. We are committed to pursuing excellence in circuit isolation and switching technology, ensuring that every customer receives personalized attention, expert guidance, and seamless support throughout the entire process of working with us.

Service Consultation

Service Consultation

Whether your LBS requirements are basic applications or complex projects, our team can provide professional advice and technical consultation. For high difficulty projects, we provide in-depth engineering support to ensure the selection of the best products and application solutions for you
Load Break Switch

Product Recommendations

Not sure which Load Break Switch (LBS) is suitable for your system? Our experts will provide free customized advice based on your specific operational and and isolation requirements, ensuring that you receive the product that best meets your electrical switching and safety needs.
Logistics Support

Service Consultation

If you lack a reliable freight forwarder, we can arrange transportation from the factory to the project site at no additional cost. Our logistics team ensures timely and safe delivery, ensuring that your project proceeds as planned and minimizing downtime and delays.
Installation Support

Installation Support

Need help with installation? Our technical team is always ready to answer your questions and offer hands-on support. For large-scale projects, we can even send engineers on-site to provide professional assistance.

What are our clients saying

Don’t just believe what we say! Take a look at the satisfied customers’ evaluations of air circuit breakers.

“Load Break Switchs have significantly improved the safety of our electrical installations.,,

John Doe
John Doe
Electrical Engineer

“The features of LBS are revolutionary. They are easy to work with and very efficient.,,

Tom Johnson
Tom Johnson
Homeowner

“We trust Load Break Switchs for their durability and peace of mind.,,

James Brown
James Brown
DIY Enthusiast

“We switched to LBS, and the reliability has been outstanding. Maintenance costs are down!,,

Maria Smith
Maria Smith
Facilities Manager
WEISHO employs the most advanced production equipment and precise testing methods at all times, providing a solid guarantee for the company’s product manufacturing and quality inspection.
 
All products of the entire series have undergone strict environmental and electrical tests.
 
At the same time, the company has obtained ISO9001 quality management system and ISO14001 environmental management system certifications.

♥Wide selection
♥OEM Quality
♥100% Satisfaction Guarantee

Looking forward to working with you

Your trusted electrical equipment supplier

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FAQ

Learn more about Load Break Switches through these frequently asked questions.

What is a Load Break Switch (LBS)?

A Load Break Switch is a mechanical switching device capable of making, carrying, and breaking currents under normal circuit conditions, which may include specified operating overload conditions. It is primarily used for circuit isolation and switching.

How do Load Break Switches work?

LBSs work by physically separating the circuit contacts. They incorporate a specific arc-extinguishing mechanism (often using air, SF6, or vacuum) to safely extinguish the arc generated when interrupting load current, ensuring a safe and reliable break.

Why use Load Break Switches?

LBSs offer reliable visible isolation, crucial for safety during maintenance. They are cost-effective, simpler to maintain than circuit breakers, and provide essential switching capability for distribution circuits and motor control centers.

What are the components of an LBS?

Key components include the main contacts (which carry the current), the operating mechanism (handle or motor), arc chutes/extinguishers, and often a visible break indicator to confirm the circuit is open.

How often should LBSs be inspected?

Inspection frequency depends on the operating environment and manufacturer recommendations. Generally, a comprehensive visual and functional inspection should be performed annually or after a high number of switching operations to check contacts and mechanisms.

Can LBSs be used in residential applications?

While LBSs are mainly found in medium-voltage industrial and commercial distribution networks, smaller versions can be used for specific low-voltage applications, such as solar power systems or local disconnects, where simple isolation is needed.

What maintenance do LBSs require?

Maintenance is generally minimal. It usually involves cleaning contacts (if accessible), lubricating the operating mechanism, and checking the integrity of the arc-extinguishing chamber (if applicable).

Are LBSs environmentally friendly?

This depends on the type. Air-insulated LBSs are highly environmentally friendly. SF6-insulated LBSs, while effective, require careful handling to prevent SF6 gas—a potent greenhouse gas—from leaking into the atmosphere.

What sizes do LBSs come in?

LBSs are rated by voltage (low to medium voltage) and continuous current capacity (amperes). They range from compact, panel-mounted units up to large, substation-class switchgear components.

Do LBSs have a warranty?

Yes, reputable manufacturers typically offer a standard warranty period, often ranging from 1 to 5 years, covering manufacturing defects and ensuring compliance with stated performance specifications.

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