For lightning damage countermeasures, this one book! A comprehensive catalog with a large volume is currently being offered.

Introduction of product lineup including basic knowledge of lightning damage countermeasures, equipment, devices, systems, and construction.

最終更新日 Jul 16, 2025

Lightning Damage Prevention "SPD Product Guide"

Shoden's lightning damage prevention products that maintain the normal operation of important equipment and devices supporting an information-oriented society.

最終更新日 Jul 16, 2025

[Information about Technical Facilities] Short-Circuit Current Testing Device

Test equipment for evaluating the safety of devices connected to a power source against high current and high voltage.

最終更新日 Jul 16, 2025

Power Supply SPD "GN Series"

Protects important equipment from lightning damage! High cost-performance Class II SPD model.

最終更新日 Jul 16, 2025

Lightning protection products for solar power generation systems, PV SPD, ADN series.

Supports high voltage systems of DC600V and DC1000V! PV SPD that protects expensive power conditioners and various measuring instruments from lightning damage.

最終更新日 Jul 16, 2025

Free distribution of the Lightning Trouble Prevention Guidebook for Solar Power Generation.

Protect your equipment from lightning damage! Free guidebook for stable operation of solar power generation.

最終更新日 Jul 16, 2025

[New Product] High-End Model of Power Supply SPD 'AGN Series'

High-end model compatible with the latest JIS safety evaluation tests.

最終更新日 Jul 16, 2025

All-domain short-circuit interruption type "Water Surface Connection Box"

Protecting PV systems from lightning and heat! Connection box for floating PV with shading countermeasures.

最終更新日 Jul 16, 2025

Showden Co., Ltd. Company Profile

As a comprehensive safety company for 50 years, we will continue to provide "safety" and "trust."

最終更新日 Jul 16, 2025

[Information] BCP Solution Guide for Offices and Factories

We provide disaster prevention, crime prevention, and power supply trouble countermeasure products to strengthen BCP for offices and factories!

最終更新日 Jul 16, 2025

Power Supply Related Products Series Catalog

Backup for stable and high-quality power supply! Leave your power supply needs to us.

最終更新日 Jul 16, 2025

Information about technical facilities

Introducing Showa Denko's technology along with testing equipment and in-house developed facilities!

最終更新日 Jul 16, 2025

Power Supply SPD "AFD-S Series"

Class I compatible product with built-in SPD separator. Excellent safety, capable of space-saving and reducing wiring work.

最終更新日 Jul 16, 2025

Built-in separator DC power supply SPD

A lineup of DC surge protective devices (SPD) compatible from DC12V to DC400V! No unnecessary operation during power outages.

最終更新日 Jul 16, 2025

Notice of Participation in the Electrical Equipment Industry Exhibition "JECA FAIR 2025"

We would like to introduce high-demand products to the person in charge of crisis management!

最終更新日 Jul 16, 2025