# Siemens 5SD7414-2 Surge Arrester Type 1 + Type 2 4P 12.5kA 3+1 TN-S

**URL:** https://aio.lv/en/product--siemens-5sd74142--3719209
**Data updated:** 2026-05-18 02:38 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5SD74142
**EAN:** 4001869427645
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 542.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 448.75 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5sd74142--3719209

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5SD7414-2 is a high-performance surge arrester designed for electrical safety. It combines Type 1 and Type 2 protection in a 4P configuration with a 12.5kA discharge capacity. Specifically engineered for 3+1 TN-S network systems, this device effectively protects electrical installations from transient overvoltages and lightning strikes, ensuring reliable operation and equipment longevity in industrial and residential power distribution.

## Long description

The Siemens 5SD7414-2 is a high-performance surge arrester engineered to provide robust protection for electrical installations against transient overvoltages and lightning strikes. This device integrates both Type 1 and Type 2 protection levels into a single compact unit, making it an essential component for maintaining the integrity of power distribution systems. Designed for 4-pole configurations in 3+1 TN-S network systems, it offers a reliable discharge capacity of 12.5kA, effectively diverting dangerous energy surges away from sensitive electronic equipment and infrastructure.
Advantages
The primary benefit of this Siemens surge arrester is its dual-functionality, which combines coarse and fine protection in one device, simplifying the installation process while ensuring comprehensive coverage. Its high discharge capacity allows it to withstand significant energy surges, providing a critical layer of defense for both residential and industrial electrical panels. By stabilizing voltage levels during atmospheric discharges or switching operations, the device significantly reduces the risk of equipment failure, downtime, and costly repairs, thereby extending the operational lifespan of connected appliances and industrial machinery.
Suitable for
Residential power distribution boards
Industrial electrical installations
Protection of sensitive electronic control systems
TN-S network configurations
This device may not be suitable for electrical systems operating outside of the specified TN-S network architecture or for applications requiring higher discharge capacities than 12.5kA. It is also not intended for use in environments where the operating voltage exceeds the rated capacity of the device.
Key specifications
Protection type: Type 1 + Type 2
Configuration: 4-pole (3+1)
Network system: TN-S
Discharge capacity: 12.5kA
The installation of the Siemens surge arrester should be performed by a qualified electrician in accordance with local electrical regulations. The device is typically mounted on a standard DIN rail within the main distribution board. Ensure that the connection cables are kept as short as possible to maintain optimal performance during a surge event. Proper grounding is essential for the effective operation of the arrester, and all connections must be tightened to the manufacturer's specified torque settings to prevent overheating.
What to consider before purchase
Verify that your electrical system is a 3+1 TN-S configuration
Ensure the installation space on the DIN rail is sufficient
Confirm that the discharge capacity meets your specific safety requirements
For optimal protection, it is recommended to inspect the status indicator of the surge arrester periodically. If the indicator shows that the device has reached its end of life, it must be replaced immediately to maintain the safety of the electrical installation.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.678 kg |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 5SD7414-2 Surge Arrester cost, and is it available for purchase?

The price is 542.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 16.07.2026 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 Siemens 5SD7414-2 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 Siemens 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 Siemens 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, 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/3719209/61184819_large.webp