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  6. High-Speed Line Lightning Protection Unit for Telecommunications Operators - 'VNJ Series'

High-Speed Line Lightning Protection Unit for Telecommunications Operators - 'VNJ Series'

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last updated:Dec 17, 2025

森長電子
森長電子
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RoHS compliant! High-performance SPD that protects communication infrastructure from surges.

In the telecommunications industry, stable network operations are essential. Surges caused by lightning can lead to equipment failures and data loss, potentially resulting in service interruptions. To protect critical infrastructure such as fiber optic lines and base stations, reliable lightning protection measures are required. The high-speed line lightning protection unit 'VNJ Series' achieves high reliability in lightning protection through different surge energy attenuation methods. 【Usage Scenarios】 * Base stations * Data centers * Communication lines * LAN equipment 【Benefits of Implementation】 * Protection of communication equipment * Reduction of system downtime * Provision of stable communication services

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High-Speed Line Lightning Protection Unit for Telecommunications Operators - 'VNJ Series'

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  • Related Link - http://www.alp-plp.co.jp/tairai_proinfoj_vnj-tu.ht…
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**Features** * Complies with JIS standard C 5381-21 Category C2, D1 * Normal/deterioration state contact output function (optional: status LED display unit sold separately) * High surge resistance with a maximum discharge current of 20kA * Complies with JIS standard C 5381-1 Class II, III * Lamp display and contact output function for normal/deterioration state **Our Strengths** With the slogan "Protecting with Morinaga," we have been safeguarding our customers' systems from lightning for 52 years since our establishment. Leveraging the technology and experience gained from our lightning protection business, we provide optimal lightning protection solutions tailored to our customers' needs. By collaborating with our grounding business, we achieve more robust lightning protection measures.

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High-speed line lightning protection unit "VNJ Series"

High-speed line lightning protection unit "VNJ Series"

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Comparison of general lightning arresters and high-speed line lightning protection units.

Comparison of general lightning arresters and high-speed line lightning protection units.

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Lightning Arrester_Implementation Results

Lightning Arrester_Implementation Results

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Lightning protection measures using high-speed line lightning protection units.

Lightning protection measures using high-speed line lightning protection units.

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Method for Selecting Power Supply Surge Protectors

Method for Selecting Power Supply Surge Protectors

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Frequently Asked Questions about Lightning Arresters

Frequently Asked Questions about Lightning Arresters

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Company information

森長電子

森長電子

Industrial Electrical Equipment

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We, Morinaga Electronics, aim to be a company that you can choose as "Protecting, Morinaga." We support social infrastructure centered in the Hokuriku region through our "System Business," which protects everyday life with products like snow gauges and freeze gauges. We have also continued to protect system equipment from lightning damage through our "Lightning Protection Business," which was born and raised in Kanazawa, known as the "Lightning Capital" with the highest number of lightning days in Japan. As we celebrate our 52nd anniversary in August 2024, we sincerely thank all our customers and stakeholders for their support. Moving forward, we will launch a new "Grounding Business" to strengthen lightning protection measures and provide a one-stop service that ensures greater customer satisfaction. Additionally, based on our belief that the development of the company follows the growth of individuals, we will strive to create a workplace environment where employees can fully utilize their abilities, promising to deliver a vibrant Morinaga to our customers. We will continue to build "Protecting, Morinaga" as a united company, never forgetting our gratitude, and we ask for your continued support.

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