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.

last updated 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.

last updated Jul 16, 2025

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

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

last updated Jul 16, 2025

Power Supply SPD "GN Series"

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

last updated 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 devices from lightning damage.

last updated Jul 16, 2025

Free guidebook for preventing lightning troubles in solar power generation is available.

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

last updated 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.

last updated 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.

last updated Jul 16, 2025

Showden Co., Ltd. Company Profile

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

last updated 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!

last updated Jul 16, 2025

Power Supply Related Products Series Catalog

We provide backup for stable and high-quality power supply! Please leave your power supply equipment requests to us.

last updated Jul 16, 2025

Information about Technical Facilities

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

last updated Jul 16, 2025

Power Supply SPD "AFD-S Series"

Class I compatible product with built-in SPD separator. Excellent safety, enabling space-saving and reduced wiring work.

last updated Jul 16, 2025

Built-in separator DC power supply SPD

A lineup of DC surge protective devices (SPD) compatible with DC12V to DC400V! There is no unnecessary operation during power outages.

last updated Jul 16, 2025

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

We would like to introduce highly sought-after products to those in charge of crisis management!

last updated Jul 16, 2025