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High voltage Switching Components

Your Professional Indoor Loadbreak Switch Supplier

 

Wenzhou Shuowei Electric Co., Ltd. （SUVELL）is a high-tech enterprise specializing in the research, development, production and sales of transformer accessories, switch cabinet accessories, cable accessories, power fittings and transmission line accessories.

Our product portfolio includes pad-mounted transformers, pole-mounted transformers, oil-immersed load break switches, switchgear systems, and switchgear components.

 

 
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Why Choose us
 
 

Quality Assurance

The company is equipped with comprehensive production facilities and a robust testing system to ensure that all products meet international standards and satisfy customer requirements.

 
 
 

Professional Solution

With extensive experience and personalized one-to-one service, we are capable of assisting you in selecting suitable products and providing professional answers to technical inquiries.

 
 
 

Reasonable Price

Supported by a dedicated procurement and cost-control team, we strive to minimize production costs and optimize profit margins in order to offer you competitively priced solutions.

 

 

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Benefits of Indoor Loadbreak Switch

Safety

The inclusion of advanced arc suppression mechanisms and insulated enclosures ensures the safety of both operators and equipment.

Reliability

These switches are designed for long-term use, with minimal maintenance requirements. High-quality materials and robust construction contribute to their reliability.

Indoor H.V. Vacuum Load Break Switch
FN7-12 KV Indoor H.V. Load Breaking Switch with Fuse

Compact Design

Indoor load break switches are designed to fit in confined spaces, making them ideal for use in substations, control rooms, and industrial settings.

Cost-Effectiveness

Compared to circuit breakers, indoor load break switches are more affordable for applications that don’t require full fault protection, making them a cost-effective solution for many systems.

 

The Structure Of Indoor Loadbreak Switch

Switch Contacts
The switch contacts are the main points of connection that allow current to flow through the switch. When the switch is closed, the contacts touch, completing the circuit and enabling electricity to pass. When the switch is opened, the contacts separate, breaking the circuit.

 

Arc Extinguishing Mechanism
When the contacts separate under load, an electrical arc forms due to the high voltage difference. This arc must be extinguished quickly and safely to prevent damage or hazards.

Operating Mechanism

The operating mechanism is the system that enables the user to open or close the switch.

Insulation

Insulation materials prevent electrical leakage and ensure the switch can safely handle its rated voltage.

Enclosure

The enclosure houses and protects all internal components of the indoor load break switch.

 

 

Precautions for the Use of Indoor Loadbreak Switches

Regular Inspections: Check the contacts, insulation, and enclosure for signs of wear or damage.

 

Cleaning: Keep the switch and its enclosure free from dust and debris to maintain proper insulation.

 

Operational Testing: Periodically test the operating mechanism to ensure it functions smoothly.

 

Lubrication: Apply appropriate lubricants to moving parts to prevent mechanical wear.

 

When performing maintenance or operating the switch, always follow manufacturer guidelines and wear appropriate personal protective equipment (PPE).

FN7-12 KV Indoor H.V. Load Breaking Switch with Fuse

 

 

Additional Information

 

 

Shipping

We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.

Terms Of Payment

We usually accept T/T, L/C, Paypal, Credit card, etc. If you prefer other payments terms, please feel free to discuss with us.

 

 

FAQ

 

 

Q: How does a load break switch work?

A: A load break switch or LBOR switch is an “on / off” switch, similar to an “on / off” light switch in your house. A load break switch is designed to switch the power “on or off” or change the position when the transformer is energized (meaning it has a load on it)—the switch will break this load.

Q: What is the difference between a load break switch and an air break switch?

A: Load break switches come in various types, including air break switches, oil break switches, and vacuum break switches. Air break switches utilize air as the arc quenching medium and are commonly used in low voltage applications.

Q: What is the function of a load switch?

A: A load switch is an electronic switch used to control power delivery to a load, effectively turning it on or off. They are commonly found in various electronic devices, particularly for power management and protection. Load switches are often integrated circuits (ICs) that offer features beyond simple on/off control, such as overcurrent and overvoltage protection, inrush current control, and power sequencing.

We're professional indoor loadbreak switch manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale bulk indoor loadbreak switch in stock here from our factory. Contact us for quotation.

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