# Dehn DG S 275 Surge Arrester, 230 V, 1-Pole

**URL:** https://aio.lv/en/product--dehn-952070--12488360
**Data updated:** 2026-05-28 14:59 (EEST)
**Category:** Power Extension Cords & Surge Protectors
**Manufacturer:** Dehn
**Manufacturer code:** 952070
**EAN:** 4013364108493
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dehn-952070--12488360

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Dehn DG S 275 is a high-performance 1-pole surge arrester designed for 230 V AC electrical systems. Featuring a fast response time of 25 ns, this thermoplastic device provides reliable protection against voltage surges. It is certified by CE, KEMA, VDE, UL, and CSA, ensuring safety and compliance for industrial and residential electrical installations. The unit is compact, easy to install via terminal connection, and operates within a 50-60 Hz frequency range.

## Long description

The Dehn DG S 275 is a high-performance 1-pole surge arrester engineered to provide robust protection for 230 V AC electrical systems. This device is designed to safeguard sensitive equipment from transient overvoltages by diverting excess energy safely to the ground. Constructed from durable red thermoplastic, the unit features a modular design that integrates a base part with a plug-in protection module, allowing for efficient maintenance and replacement. With its advanced zinc oxide varistor technology and Thermo Dynamic Control monitoring, it ensures consistent reliability in various electrical environments.
Advantages
This surge arrester offers exceptional discharge capacity, making it suitable for demanding industrial and residential applications. The inclusion of a clear green and red indicator flag allows for immediate visual status monitoring, ensuring that users are always aware of the device's operational state. Its compact, narrow modular design adheres to standard DIN dimensions, facilitating easy installation in crowded distribution boards. Furthermore, the multifunctional terminals support both conductors and busbars, providing flexibility during setup. The device is rigorously tested for vibration and shock resistance, ensuring long-term durability even in challenging conditions.
Suitable for
Residential electrical distribution boards
Industrial control panels
Protection of sensitive electronic equipment
AC power supply systems operating at 50-60 Hz
When it may not be suitable
This device is a single-pole arrester and is not intended for use as a standalone solution in multi-phase systems without appropriate coordination with other protective devices. It is specifically designed for 230 V AC networks and should not be installed in DC circuits or systems exceeding its rated voltage specifications.
Key specifications
Nominal voltage: 230 V AC
Frequency range: 50-60 Hz
Response time: 25 ns
Discharge capacity: 20000 A
Material: Thermoplastic
Dimensions: 18 mm width, 73 mm depth
Weight: 130 g
Certifications: CE, KEMA, VDE, UL, CSA
How to use
The Dehn DG S 275 is designed for mounting on standard DIN rails. Begin by securing the base part onto the rail and connecting the phase and ground conductors to the multifunctional terminals. Once the base is wired, insert the plug-in protection module until it clicks into place. The module locking system ensures a secure connection. To monitor the device, observe the indicator flag in the inspection window; a green color indicates normal operation, while a red color signals that the module has reached its end of life and requires replacement. The module can be easily removed by pressing the release button.
What to consider before purchase
Ensure the voltage rating matches your electrical installation requirements.
Verify that the installation space accommodates the 18 mm modular width.
Confirm that the device is compatible with your existing surge protection coordination strategy.
Check local electrical regulations regarding the installation of surge protective devices.
Usage recommendations
For optimal safety and performance, ensure that the surge arrester is installed by a qualified electrician in accordance with local electrical codes. Regularly inspect the status indicator to ensure the protection module remains active and effective.

## Specifications

### Power

| Feature | Value |
|---|---|
| Nominal input voltage | 230 |
| Peak current, normal mode | 20000 A |
| AC outlet types | Terminal |
| AC input frequency | 50 - 60 |

### Features

| Feature | Value |
|---|---|
| Material | Thermoplastic |
| Response time | 0 ms |
| Product colour | Red |
| Over current protection | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.13 kg |
| Height | 90 mm |
| Width | 18 mm |
| Depth | 73 mm |

### Packaging content

| Feature | Value |
|---|---|
| Number of products included | 1 pc(s) |

### Ports & interfaces

| Feature | Value |
|---|---|
| Cordless | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -40 - 80 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, KEMA, VDE, UL, CSA |

## FAQ

### How much does the Dehn DG S 275 Surge Arrester 230 V cost, and is it available for purchase?

The price is 31.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 07.07.2026 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. All transactions are 100% secure and encrypted.

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, ac outlet types, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12488360/68816867_large.webp