AC and DC SPD Surge Protection Device Manufacturer

AC and DC SPD Manufacturer

LSP is a Professional SPD Surge Protection Device Manufacturer

LSP surge protective device manufacturer - Reliability in surge protection
Since 2010, LSP has been dedicated to designing and manufacturing AC and DC SPD Surge Protection Device protecting installations from transient overvoltages that result from switching events and lightning strikes.
LSP developed a comprehensive range of Type 1, Type 1+2, Type 2, Type 2+3, Type 3 Surge Protection Device SPD used to protect equipment connected to AC and DC power against surges due to lightning.
LSP, as a AC and DC SPD Surge Protection Device manufacturer, provides reliable SPD products and high-quality after-sales service to a diverse range of clients.
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Professional Manufacturer
Since 2010, LSP, an AC and DC Surge Protection Device manufacturer, has been dedicated to designing and producing AC and DC surge protection devices to protect installations from transient overvoltages caused by switching events and lightning strikes.
OEM/ODM Service
LSP, a professional China AC and DC Surge Protection Device SPD manufacturer, also provides comprehensive OEM/ODM services to meet your unique needs, offering tailored solutions that make your products stand out in the market.
Strict Quality Control
As the AC SPD Surge Protection Device and DC SPD Surge Protection Device manufacturer, LSP strictly controls quality, ensuring every product meets the highest standards, providing unmatched peace of mind for our customers.

SPD Product Category

AC Surge Protection Device SPD Manufacturer Products

The AC SPD Surge Protection Device manufacturer, LSP designs electrical devices to protect other equipment from sudden voltage changes,
such as lightning or switching events, ensuring the safe and stable operation of your systems.

DC SPD Surge Protection Device Manufacturer Products

LSP, as a leading DC Surge Protection Device SPD manufacturer, is committed to providing high-quality DC surge protector
to ensure the safety and long-term stability of electrical systems.
LSP - Surge Protection Device SPD Catalog Datasheet PDF

Start to explore your journey to discover professional and reliable AC / DC Surge Protection Device (SPD)

SPD Product Category

AC and DC SPD Surge Protection Manufacturer Process

The AC and DC Surge Protection Device SPD manufactured by LSP, an established AC and DC surge protection device manufacturer,

utilizes LKD’s MOVs and incorporates advanced technologies and processes, including a unique tripping mechanism.

Surge Protection Device SPD Manufacturers MOV Test Selection

Effective MOV Selection

LSP carefully selects LKD MOVs with a tight tolerance of +/-10% for accurate voltage response, which improves product reliability and stability.

With superior quality of MOVs, these SPD surge protection device manufactured by LSP are safe to use for up to 5 years.

This ensures that our products consistently meet or exceed industry benchmarks for durability, safety, and performance, establishing LSP as a leading AC and DC SPD Surge Protection Devivce manufacturer.

Quality Control in Injection Molding

As an AC and DC SPD Surge Protection Device manufacturer, LSP utilizes high-strength flame-retardant materials for its plastic housing.

Through precision injection molding machines, the casings are produced to be free of defects and bubbles, with a smooth surface.

This ensures both the safety of the AC and DC Surge Protection Device SPD under high temperatures and electrical stress, and guarantees an aesthetically pleasing product appearance.

Surge Protection Device SPD Manufacturing Injection Molding Plastic Enclosure
Surge Protection Device SPD Manufacturing Stamped Metal Parts

Reinforced Metal Components

LSP engineers have meticulously calculated and repeatedly measured the current-carrying capacity of the metal components in the SPD.

As an AC and DC surge protection device SPD manufacturer, LSP uses wider and thicker metal parts to efficiently divert lightning currents.

This advanced material choice not only extends the operational lifespan of our surge protection devices but also enhances overall safety standards.

Pluggable AC and DC Surge Protection Device SPD

A pluggable AC and DC Surge Protection Device SPD is composed of a protection module and a base.

Manufacturing a high-quality pluggable AC and DC SPD involves over 20 meticulously controlled production processes.

AC and DC SPD surge protection device manufacturer like LSP enforce strict quality control at every step, from the careful selection of components to precise assembly and thorough testing, ensuring the safety and reliability of each AC and DC SPD.

Should a failure occur, a pluggable AC and DC Surge Protection Device can be swiftly repaired by simply replacing the module.

Surge Protection Device SPD Manufacturing Installing Protection Modules and Bases
Surge Protection Device SPD Manufacturing Welding Fixtures

Advanced Manufacturing Processes and Tooling

For AC and DC SPD surge protection device manufacturer, optimizing processing tools and manufacturing processes is crucial for enhancing product quality and production efficiency.

We focus on precise tooling design and advanced production techniques, including custom tooling for butt welding of disconnectors, to ensure the reliable performance and longevity of AC and DC Surge Protection Devicve SPD.

Regular maintenance of tools and continuous process improvements are also essential for maintaining high production standards.

Unique Trigger Release Technology

As an AC and DC Surge Protection Device manufacturer, LSP’s surge protection device (SPD) features innovative trigger release technology and uses high-quality solder from reputable brands.

The soldering temperature is precisely matched to the type and rating of the  AC and DC SPD, and it incorporates an advanced tripping mechanism with opposing chambers that effectively isolate and extinguish arcs.

The unique manufacturing process minimizes the risk of arc re-ignition, significantly extending the AC and DC SPD’s operational lifespan.

Surge Protection Device SPD Manufacturing Automatic Welding

SPD Product Category

AC and DC Surge Protection Device Manufacturer Testing

As the AC and DC surge protection device SPD manufacturer, LSP conduct rigorous inspections at every stage of production.

Raw materials are thoroughly tested, semi-finished products undergo stringent checks, and finished SPDs are extensively tested.

Three-Parameter Test
As AC and DC SPD manufacturer, LSP ensures that each surge protection device undergoes a three-parameter test before it leaves the factory. This testing measures the varistor voltage, leakage current, and non-linear coefficient. These evaluations confirm the SPD’s accuracy and consistency under specific conditions, guaranteeing effective protection for electrical systems against surge impacts.
Impact Test
Impact testing is a crucial destructive test for AC and DC SPD manufacturer, helping them assess and enhance the impact resistance, structural strength, and functional reliability of their products. This process ensures that the surge protection devices meet relevant standards and regulations. By improving product quality and minimizing usage risks, impact testing also strengthens user confidence in the reliability of the SPDs.
Transient Overvoltage Test
Transient overvoltage (TOV) testing is used to assess the performance and reliability of surge protection devices under transient overvoltage conditions. This test ensures that the SPD can effectively absorb and dissipate high voltage spikes, maintain insulation integrity, and provide reliable protection in real-world applications. Through TOV testing, AC and DC SPD manufacturer can enhance product safety and reliability, thereby ensuring the stable operation of the entire electrical system.
Glow Wire Test
Glow wire testing is used to assess the heat resistance and fire safety of surge protection devices. This test ensures that SPD components can withstand high temperatures without igniting or producing hazardous smoke, thus maintaining their structural integrity and electrical performance. By adhering to relevant standards and conducting comprehensive glow wire testing, AC and DC SPD manufacturer can enhance product safety, ensure compliance, and improve overall quality.
Thermal Stability Test
Thermal stability testing is used to evaluate the performance and reliability of surge protection devices under high-temperature conditions. This test ensures that the SPD maintains its insulating properties, material stability, and functional integrity at elevated temperatures. Through thermal stability testing, AC and DC SPD manufacturer can enhance the safety and reliability of their products.
Salt Spray Test
Salt spray testing is used to evaluate the corrosion resistance and durability of surge protection devices. This test ensures that SPD components can withstand exposure to salt mist without significant damage, thereby maintaining their structural integrity and electrical performance. Through salt spray testing, AC and DC SPD manufacturer can effectively enhance the reliability and quality of their products.
Temperature and Humidity Test
The Constant temperature and humidity test aims to assess the reliability and performance stability of surge protection devices under varying temperature and humidity conditions. This test is a critical quality inspection step in the surge protection device production process.

AC and DC SPD Production Process

Surge Protection Device Manufacturer Production Steps

At our SPD manufacturing facility, producing AC and DC surge protection devices involves over 20 critical processes.

The AC and DC SPD manufacturer carefully oversees each step to ensure every device meets the highest quality standards.

Surge Protection Device SPD Manufacturing Module testing after welding
1. Mov setection
Surge Protection Device SPD Manufacturing Put in the spring and telegraph needle
2. Put in the spring and telegraph needle
Surge Protection Device SPD Manufacturing Put in the junction metal parts
3. Put in the junction metal parts
Surge Protection Device SPD Manufacturing Insert terminal block
4. Insert terminal block
Surge Protection Device SPD Manufacturing Put the spring into the module
8. Put the spring into the module
Surge Protection Device SPD Manufacturing Install buckle and spring
7. Install buckle and spring
Surge Protection Device SPD Manufacturing Cover the base with the top cover
6. Cover the base with the top cover
Surge Protection Device SPD Manufacturing Install anti misinsertion plug
5. Install anti-misinsertion plug
Surge Protection Device SPD Manufacturing Put on the green board
9. Put on the green board
Surge Protection Device SPD Manufacturing Insert metal fastener
10. Insert metal fastener
Surge Protection Device SPD Manufacturing Insert electrode metal foot
11. Insert electrode metal foot
Surge Protection Device SPD Manufacturers MOV Test Selection
12. MOV detection
Surge Protection Device SPD Manufacturing Module testing after welding
16. Module testing after welding
Surge Protection Device SPD Manufacturing Automatic Welding
15. Automatic welding
Surge Protection Device SPD Manufacturing Installation fixture
14. Installation fixture
Surge Protection Device SPD Manufacturing Put in MOV
13. Put in MOV
Surge Protection Device SPD Manufacturing Module external pumped laser
17. Module external pumped laser
Surge Protection Device SPD Manufacturing Install module internal and external extraction
18. Install module internal and external extraction
Surge Protection Device SPD Manufacturing Module insertion base
19. Module insertion base
Surge Protection Device SPD Manufacturers Three parameter Test
20. Finished product three-parameter tester detection
Surge Protection Device SPD Manufacturers Transportation
24. Transportation
Surge Protection Device SPD Manufacturing External labeling
23. External labeling
Surge Protection Device SPD Manufacturing Packing
22. Packing
Surge Protection Device SPD Manufacturing Inner box packaging
21. Inner box packaging

Workplant

Surge Protection Device SPD Manufacturer Workshop

LSP manufactures high-quality AC and DC surge protection device SPD with precision.

LSP’s SPDs feature modular designs and superior arc extinguishing performance, striving to be a leading AC and DC SPD Surge Protection Device manufacturer.

Why Choose LSP

Reliable AC and DC Surge Protection Device Manufacturer

LSP‘s AC and DC surge protection device SPD manufacturer process adheres to the highest industry standards.

Our mission is to become a leading China and world AC and DC Surge Protection Device SPD manufacturer.

Professional

LSP is a professional AC and DC surge protection device SPD manufacturer with 10 years of experience, specializing in producing high-quality and reliable surge protection devices (SPDs).

Durability

LSP, an AC and DC SPD manufacturer, uses reinforced metal and fire-resistant plastic parts to enhance the durability and safety of its surge protection devices.

Appearance

LSP, as an AC and DC surge protection device manufacturer, ensures that the appearance of our SPDs is meticulously crafted by our experienced design team, focusing on aesthetic design and exceptional quality.

Customization

LSP, an AC and DC SPD surge protection device manufacturer, customizes surge protection devices to meet specific requirements. Feel free to contact us for tailored solutions.

Delivery Lead Time

LSP, an AC and DC SPD manufacturer, guarantees timely delivery with efficient supply chain management and stringent manufacturing processes, ensuring precise lead times.

Service

LSP, as an AC and DC SPD surge protection device manufacturer, offers 24/7 customer support. Customers can reach out to our dedicated team at any time for prompt assistance.

Certificate

Quality Certified AC/DC Surge Protection Device Manufacturer

LSP, a leading AC and DC SPD manufacturer, not only delivers top-quality surge protection devices but also helps customers obtain TUV and CE co-license, significantly saving your time and effort.

Choose LSP for outstanding products and dedicated service, ensuring smoother and more efficient business operations.

Be Our Partner

Trusted by Numerous Electrical Manufacturer

Over 1,200 companies from 35 countries trust us as their AC and DC surge protection device SPD manufacturer, and this number is steadily increasing.

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Customers Testimonial

Excellent SPD Surge Protection Device Manufacturer

As the AC and DC SPD Surge Protection Device manufacturer, we create products with reliable materials and refined workmanship.

Utilizing modular design and a well-thought-out internal structure, our SPDs offer exceptional arc extinguishing performance to meet your specific site needs.

Class I II III Type 1 Type 2 Type 3 AC PV DC Surge Protective Device SPD

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