# Dehn DEHNrail M 4P 255 FM Type 3 Surge Arrester, 4-Pole, 8kA, 1.5kV

**URL:** https://aio.lv/en/product--dehn-953405--12451013
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Power Extension Cords & Surge Protectors
**Manufacturer:** Dehn
**Manufacturer code:** 953405
**EAN:** 4013364115774
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 232.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 192.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dehn-953405--12451013

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Dehn DEHNrail M 4P 255 FM is a compact Type 3 surge arrester designed for DIN rail mounting. This 4-pole device provides reliable protection for terminal equipment against transient overvoltages. Featuring an integrated remote signaling contact, it ensures efficient monitoring in electrical installations. With a discharge capacity of 8kA and a voltage protection level of 1.5kV, it is ideal for safeguarding sensitive electronic systems.

## Long description

The Dehn DEHNrail M 4P 255 FM is a high-performance Type 3 surge arrester engineered for DIN rail mounting in electrical distribution boards. This 4-pole device is specifically designed to protect sensitive terminal equipment from transient overvoltages that can occur in low-voltage systems. By integrating a remote signaling contact, the unit allows for seamless integration into building management systems, providing real-time status monitoring and enhanced operational reliability for critical electronic infrastructure.
Advantages
The primary benefit of this surge arrester is its compact design, which saves valuable space within control cabinets while maintaining high protective capabilities. Its 4-pole configuration ensures comprehensive protection across multiple phases and neutral lines. The inclusion of a remote signaling contact simplifies maintenance by alerting users to the operational status of the device, thereby preventing unexpected downtime. Furthermore, its robust construction and precise voltage protection level make it a dependable solution for safeguarding delicate electronic components against electrical surges.
Suitable for
Protection of sensitive electronic control systems
Industrial automation and PLC equipment
Building management and monitoring systems
Low-voltage distribution boards
When it may not be suitable
This device is a Type 3 surge arrester and is not intended to serve as the primary protection against direct lightning strikes or high-energy surges at the building entrance. It should be installed as part of a coordinated protection system downstream from Type 1 or Type 2 arresters.
Key specifications
Type: 3 surge arrester
Poles: 4-pole
Mounting: DIN rail
Discharge capacity: 8kA
Voltage protection level: 1.5kV
Signaling: Integrated remote signaling contact
How to use
The device is designed for installation on a standard 35mm DIN rail. It should be connected in parallel with the equipment being protected, ensuring that the connection leads are kept as short as possible to maintain the effectiveness of the voltage protection. The remote signaling contact can be wired to a central monitoring system or an alarm indicator to provide immediate feedback on the device's health. Installation must be performed by a qualified electrician in accordance with local electrical safety regulations.
What to consider before purchase
Verify that the system voltage matches the 255V rating
Ensure there is sufficient space on the DIN rail
Confirm that upstream Type 1 or Type 2 protection is already present
Check if the remote signaling feature is compatible with your monitoring hardware
Usage recommendations
Regularly inspect the status indicator on the device to ensure it is functioning correctly. If the indicator shows a fault, the module should be replaced immediately to maintain continuous protection for your electronic systems.

## FAQ

### How much does the Dehn DEHNrail M 4P 255 FM Type 3 Surge Arrester cost, and is it available for purchase?

The price is 232.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 06.07.2026 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 DEHNrail M 4P 255 FM Type 3 Surge Arrester be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12451013/68753742_large.webp