# Dehn EMOB 3P 255 FM Surge Arrester Type T1+T2 4P 12.5kA 50kA

**URL:** https://aio.lv/en/product--dehn-900385--12468116
**Data updated:** 2026-05-18 09:35 (EEST)
**Category:** Electric Vehicle Charging Devices
**Manufacturer:** Dehn
**Manufacturer code:** 900385
**EAN:** 4013364422186
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 573.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 473.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dehn-900385--12468116

## 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 EMOB 3P 255 FM is a combined Type 1 and Type 2 surge arrester designed for electric vehicle charging stations. This 4-pole device features a discharge capacity of 12.5kA (10/350 µs) and a maximum discharge current of 50kA (8/20 µs). It provides reliable protection against atmospheric and switching surges, ensuring the safety and longevity of sensitive charging infrastructure. Equipped with a remote signaling contact for monitoring.

## Long description

The Dehn EMOB 3P 255 FM is a high-performance combined Type 1 and Type 2 surge arrester specifically engineered for the protection of electric vehicle charging stations. This 4-pole device is designed to safeguard sensitive charging infrastructure from the damaging effects of atmospheric and switching surges, ensuring consistent operation and extended equipment lifespan. By integrating advanced protection technology, it effectively manages high-energy transients, providing a robust defense for modern EV charging installations.
Advantages
This surge arrester offers a comprehensive protection solution by combining Type 1 and Type 2 capabilities into a single, efficient unit. Its high discharge capacity allows it to handle significant energy surges, while the inclusion of a remote signaling contact enables seamless integration into building management systems for real-time monitoring. The compact 4-pole design simplifies installation within charging station cabinets, providing reliable performance without requiring excessive space.
Suitable for
Electric vehicle charging stations
Public and private EV charging infrastructure
Protection of sensitive power electronics in charging systems
When it may not be suitable
This device is specifically optimized for EV charging applications and may not be appropriate for general residential or industrial distribution boards that require different protection classes or voltage ratings. It should not be installed in environments exceeding its specified voltage or current parameters.
Key specifications
Type: Combined Type 1 + Type 2
Poles: 4-pole
Discharge capacity: 12.5kA (10/350 µs)
Maximum discharge current: 50kA (8/20 µs)
Remote signaling: Integrated contact
How to use
The device should be installed by a qualified electrician in accordance with local electrical standards and the manufacturer's installation instructions. It is typically mounted on a standard DIN rail within the charging station's distribution enclosure. Ensure that the connections are secure and that the remote signaling contact is wired to the monitoring system if remote status reporting is required.
What to consider before purchase
Compatibility with the existing electrical installation
Space availability within the charging station cabinet
Requirement for remote monitoring integration
Usage recommendations: Regularly inspect the status indicator on the device to ensure it is functioning correctly. If the indicator shows that the protection module has reached its end of life, the unit should be replaced immediately to maintain the safety of the charging infrastructure.

## FAQ

### How much does the Dehn EMOB 3P 255 FM Surge Arrester Type T1+T2 cost, and is it available for purchase?

The price is 573.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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 EMOB 3P 255 FM Surge Arrester Type T1+T2 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/12468116/68770654_large.webp