High Quality 1500V DC SPD

Premium 1500V DC SPD solutions from 15+ years experienced manufacturer. LETOP solar surge protectors have been officially certified CE, CB, TUV & VDE. Contact for custom OEM services.

Choose LETOP as Your 1500V Solar SPD Supplier

As a leading 1500V DC SPD manufacturer, we offer exceptional benefits: Self-built MOV factory, 4 automatic production lines, TUV certified internal laboratory, ISO9001 quality management system, TUV/CE certifications, customizable OEM services, and dedicated technical support. Our 1500V photovoltaic surge protection solutions have been trusted by over 100+ global partners.

Certified for 1500V DC Systems

Certified 1500V DC Systems

Fully compliant with EN / IEC 61643-31 standards for 1500V PV applications. Ensures your combiner boxes meet all the project specifications and safety regulations.

High Surge Capacity

High Surge Capacity

Designed to handle significant surge energies (Iimp for T1, Imax for T2) prevalent in large, exposed solar fields. Provides protection against both direct and indirect lightning events.

Advanced Safety & Monitoring

Advanced Safety & Monitoring

Features reliable thermal disconnect plus integrated remote signaling contacts (optional) for connection to your systems, enabling proactive fault detection crucial for unmanned sites.

Built for Large Combiner Boxes

Built for Large Combiner Boxes

Our construction is strong and secure with DIN rail mounting, ensuring reliable performance even in large and complex combiner box assemblies used in utility-scale projects.

1500V DC SPD Product Overview

Our 1500V DC SPD series offer superior performance with low leakage current, high surge capacity, and extended service life. Each 1500V solar SPD unit goes through rigorous quality testing to meet international safety standards.

Quality Certifications of 1500V DC Surge Protector

High-Voltage MOV Chip

High-Voltage MOV Chip

Specifically designed varistors for stable performance and long-lasting operation under continuous 1500V DC stress.

Redundant Safety Mechanisms

Redundant Safety Mechanisms

Robust thermal disconnect design ensures safe isolation at end-of-life, critical for high-power DC circuits.

Fast Pluggable Module Replacement

Fast Pluggable Module Replacement

Minimizes downtime and simplify maintenance procedures for large solar farms, often performed by field technicians.

Wide Operating Temperature Range

Wide Operating Temperature Range

Designed to function reliably in the extreme temperatures (-40°C to +80°C) often encountered in solar farm.

Secure DIN Rail Lock

Secure DIN Rail Lock

Ensures the SPD component stays put even if there are any vibrations or thermal cycling in the combiner box.

Clear Status Indication

Clear Status Indication

Visual window combined with optional remote signaling, status checks, both on-site and remotely.

LETOP 1500V DC SPD Manufacturing Advantages

LETOP specializes in providing IEC / EN 61643-31 certified 1500V SPD for large-scale photovoltaic power stations, with 50kA 8/20μs impulse test and TOV tolerance (3Uc/10s) as the core quality control to ensure stable current discharge of components in GW-level projects. Through project customization solutions, we help 1500V combiner boxes reduce their full life cycle costs by 15% or more.

Automated Printing

Consistent Quality for Utility-Scale

Rigorous manufacturing and QC processes ensure component uniformity and reliability crucial for large-scale deployments.

Lighting Testing equipment

Expert 1500V Integration Support

Technical assistance for selecting the optimal T1/T2 SPD configuration and ensuring correct integration within complex 1500V combiner box designs.

Automated production line

Competitive Pricing for Major Projects

Attractive volume pricing helps meet budget targets for large solar farm component procurement.

Automated welding

Proven Volume Production

Our capacity reliably supports the large volume demands of utility-scale combiner box manufacturers and EPCs.

Custom OEM Services for 1500V DC Surge Protector

We provide custom 1500V DC SPD solutions, including custom packaging, private labeling, and technical modifications. Our engineering team works closely with OEM partners to develop application-specific surge protection solutions that meet unique system requirements and market demands.

Commercial & Industrial Solar
Residential Rooftop Solar
Off-Grid & Microgrid Solar

FAQ

Here you can find some of your common questions related to 1500V DC SPD, which can help answer your doubts.

How to get quotation and samples for 1500V DC SPD?

Contact our sales team and let us know your specific requirements, including Operating Voltage, Discharge Current, other specifications, application details and quantity. We will provide competitive quotes and professional solutions within 24 hours.

What's the MOQ (minimum order quantity) for 1500V DC SPD?

Our standard MOQ for 1500V DC surge protectors is 100 pieces per model.

The MOQ for custom DC SPD can change depending on specific requirements:

  1. MOQ 500pcs: put your logo on the SPD, standard packaging material;
  2. MOQ 1,000pcs: custom packaging material according to your own design;
  3. MOQ 2,000pcs: deep customization includes plastic part color, parameter settings, etc.

We offer flexible ordering options to support both small-scale projects and large-volume deployments.

What's the difference between 1500V DC SPD and 1000V DC SPD?

1500V DC SPD is specifically designed for higher voltage solar systems, offering enhanced protection levels and extended MCOV ratings. Our 1500V DC surge protectors provide superior surge handling capacity and are ideal for large-scale commercial and utility installations where system efficiency and reliability are critical.

What certifications do your 1500V DC SPD products have?

LETOP 1500V DC SPD has successively passed international authoritative certifications such as TUV, CB, CE, CQC, UKCA, and in 2024 it took the lead in applying for the first domestic VDE certification certificate in the surge protection industry.

What's the lifespan of your 1500V DC SPD products?

Our 1500V solar SPD products are designed for 15+ years service life under normal operating conditions. The actual lifespan depends on environmental factors and surge frequency. We provide 2 years warranty coverage and lifecycle support for all our surge protection devices.

Do you offer OEM custom services for 1500V DC SPD?

Yes, as an experienced 1500V DC SPD manufacturer, we provide comprehensive OEM/ODM services including custom housing design, private labeling, modified specifications, and packaging solutions. Our engineering team works closely with partners to develop tailored surge protection solutions.

What's your quality control process for 1500V DC SPD?

Our quality control includes incoming material inspection, in-process testing, final product verification, and batch testing. Each 1500V DC SPD unit undergoes electrical performance testing, thermal cycling, and aging tests before shipment, ensuring consistent quality and reliability.

What technical support do you provide for 1500V DC SPD?

We're here to help you out with everything from pre-sales consultations to installation guidance to after-sales service - we've got you covered. Our technical team responds quickly and offers remote support for troubleshooting.

Which solar systems are compatible with 1500V DC SPD?

LETOP 1500V DC surge protectors are suitable for commercial rooftop installations, utility-scale solar farms, and large residential systems. They're specifically designed for high-voltage DC applications and provide optimal protection for inverters, combiner boxes, and other critical system components.

How to install and maintain 1500V DC SPD products?

Check out the clear wiring diagrams for the Letop 1500V DC surge protectors in the DIN Rail installation. We provide comprehensive installation guides and technical support you need. To ensure optimal protection performance, regular visual inspections and performance monitoring are recommended.

If no relevant issues are found, please contact us, E-mail:info@letopv.com.

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Get in Touch with Us

If you have any questions, please contact us and we will reply within 24 hours.

Get in Touch

Wenzhou LETOP Electric Co., Ltd.

Address

No. 19, Fenjin Road, Dongfeng Industrial Zone, Yueqing, Wenzhou, China 325604

info@letopv.com

+86-13175631986

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