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header-product Dehn 952405 Modular Surge Arrester for TN-S Systems Type 2 4-Pole 20kA 275V
136.99 €

Dehn 952405 Modular Surge Arrester for TN-S Systems Type 2 4-Pole 20kA 275V

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Dehn 952405 Modular Surge Arrester for TN-S Systems Type 2 4-Pole 20kA 275V

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Dehn 952405 Modular Surge Arrester for TN-S Systems Type 2 4-Pole 20kA 275V

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Short description

The Dehn 952405 is a modular Type 2 surge arrester designed for TN-S electrical power systems. This 4-pole device provides reliable protection against transient overvoltages with a discharge capacity of 20kA and a voltage rating of 275V. Featuring an IP20 protection rating, it is suitable for installation in distribution boards to safeguard sensitive electrical equipment from power surges. It includes a remote signaling contact for monitoring purposes.
Available for order: 45 pcs.
Warranty: 2 Years
SKU: 1507486
Manufacturer: Dehn
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Cheapest delivery:

Unisend LV

Pick-up points

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Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
26.11.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
01.12.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.48 kg)
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From 1.99 €
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36 months installment: from 3.81 euros per month
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Product information

Description

The Dehn 952405 is a high-performance modular Type 2 surge arrester specifically engineered for TN-S electrical power systems. This 4-pole device is designed to protect low-voltage installations by limiting transient overvoltages caused by atmospheric discharges or switching operations. With a robust discharge capacity of 20kA and a nominal voltage rating of 275V, it ensures the safety and longevity of sensitive electronic equipment connected to the distribution network.

Advantages

This surge arrester features a modular design that allows for easy maintenance and replacement of individual protection modules without disconnecting the entire system. The inclusion of a remote signaling contact provides real-time monitoring capabilities, allowing facility managers to identify the status of the protection device instantly. Its compact construction is optimized for standard distribution board mounting, ensuring efficient space utilization while maintaining high safety standards against electrical surges.

Suitable for

  • Protection of residential and commercial electrical distribution boards
  • Safeguarding sensitive electronic devices in TN-S power systems
  • Industrial automation and control panels
  • Data centers and telecommunication equipment protection

When it may not be suitable

This device is not intended for use in IT or TT earthing systems, as it is specifically configured for TN-S network architectures. Furthermore, it should not be used as a primary lightning protection device in areas subject to direct lightning strikes without additional Type 1 surge protection installed upstream.

Key specifications

  • Type: Type 2 surge arrester
  • Configuration: 4-pole
  • System compatibility: TN-S
  • Nominal discharge current: 20kA
  • Maximum continuous operating voltage: 275V
  • Protection rating: IP20
  • Signaling: Remote signaling contact included

How to use

The device is designed for installation on a standard DIN rail within a distribution board. It must be installed by a qualified electrician in accordance with local electrical regulations. The connections should be made according to the wiring diagram provided with the unit, ensuring that the remote signaling contact is wired to the monitoring system if required. Once installed, the status indicator on the front of the module provides a visual check of the device's operational state.

What to consider before purchase

  • Verify that your electrical system is a TN-S configuration
  • Ensure the distribution board has sufficient space for a 4-pole modular device
  • Check if remote monitoring integration is required for your facility
  • Confirm that the voltage rating matches your local power supply requirements

Usage recommendations

Regularly inspect the visual status indicator on the surge arrester to ensure it is functioning correctly. If the indicator changes color, the module should be replaced immediately to maintain continuous protection of your electrical infrastructure.

Description

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Customer questions

FAQ

How much does the Dehn 952405 Modular Surge Arrester for TN-S Systems cost, and is it available for purchase?

The price is 136.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 45 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 26.11.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can Dehn 952405 Modular Surge Arrester for TN-S Systems be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Dehn 952405 Modular Surge Arrester for TN-S Systems online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Dehn products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Dehn service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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