# Bemko A51-SPD01-4P-B+C Surge Protection Device 4P 5kA Class T1+T2

**URL:** https://aio.lv/en/product--bemko-a51-spd01-4p-bc--12469681
**Data updated:** 2026-05-18 09:34 (EEST)
**Category:** Power Extension Cords & Surge Protectors
**Manufacturer:** BEMKO
**Manufacturer code:** A51-SPD01-4P-B+C
**EAN:** 5900280916648
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 40.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 33.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bemko-a51-spd01-4p-bc--12469681

## 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 Bemko A51-SPD01-4P-B+C is a 4-pole surge protection device designed for electrical safety. It operates in class T1+T2 (B+C) with a 5kA discharge capacity, providing reliable protection against voltage surges in low-voltage distribution systems. This device is essential for safeguarding sensitive electronic equipment and installations from transient overvoltages, ensuring stable operation and longevity of connected electrical components.

## Long description

The Bemko A51-SPD01-4P-B+C is a high-performance 4-pole surge protection device engineered to enhance electrical safety in low-voltage distribution systems. By combining T1+T2 (B+C) class protection, this device effectively mitigates the risks associated with transient overvoltages, such as those caused by atmospheric discharges or switching operations in the power grid. Its robust design ensures that sensitive electronic equipment remains shielded from sudden voltage spikes, thereby preventing damage and extending the operational lifespan of connected devices.
Advantages
This surge protection device offers comprehensive protection by covering both primary and secondary surge suppression requirements in a single unit. Its 4-pole configuration makes it ideal for three-phase electrical installations, providing balanced protection across all phases and the neutral line. The integration of T1+T2 class technology ensures a rapid response to high-energy surges, maintaining system stability and reducing the likelihood of costly equipment failures or downtime in residential and commercial environments.
Suitable for
Three-phase low-voltage electrical distribution boards
Protection of sensitive household appliances and office electronics
Industrial control systems and automation equipment
Residential and commercial building electrical infrastructure
When it may not be suitable
This device is not intended for use in high-voltage power transmission lines or systems exceeding its rated voltage capacity. It should not be installed as a standalone solution in environments where lightning protection systems are absent if the risk of direct lightning strikes is high, as it is designed for transient overvoltage suppression rather than direct strike mitigation.
Key specifications
Number of poles: 4
Protection class: T1+T2 (B+C)
Discharge capacity: 5kA
Application: Low-voltage distribution systems
How to use
The device is designed for DIN-rail mounting within a standard electrical distribution board. Installation should be performed by a qualified electrician in accordance with local electrical regulations. The device is connected in parallel to the power supply lines, ensuring that the surge current is safely diverted to the grounding system. Proper wiring and secure terminal connections are essential for the device to function correctly and provide the intended level of protection.
What to consider before purchase
Verify the compatibility of the device with your existing electrical system voltage
Ensure there is sufficient space on the DIN rail within your distribution board
Confirm that the grounding system of the building is properly installed and functional
Check if the discharge capacity meets the specific requirements of your installation environment
Usage recommendations
Regularly inspect the status indicator on the device to ensure it remains in an operational state. If the indicator shows that the protection module has reached its end of life, the unit or the replaceable cartridge must be replaced immediately to maintain continuous protection.

## FAQ

### How much does the Bemko A51-SPD01-4P-B+C Surge Protection Device cost, and is it available for purchase?

The price is 40.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 205 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. 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 BEMKO 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 BEMKO 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/12469681/68772469_large.webp