# Relpol RSP-4L-05 5V DC Surge Arrester

**URL:** https://aio.lv/en/product--relpol-2617115--12444925
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Relpol
**Manufacturer code:** 2617115
**EAN:** 5900005294846
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 42.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--relpol-2617115--12444925

## 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 Relpol RSP-4L-05 is a 5V DC surge arrester designed to protect sensitive electronic equipment from voltage spikes and transient surges. This compact device ensures reliable operation in low-voltage circuits, preventing damage caused by electrical disturbances. It is an essential component for industrial and automation systems requiring stable voltage protection and long-term hardware reliability.

## Long description

The Relpol RSP-4L-05 5V DC surge arrester is a specialized protective device engineered to safeguard sensitive electronic components and low-voltage circuits from the damaging effects of voltage spikes and transient electrical surges. By providing a reliable barrier against electrical disturbances, this compact unit ensures the longevity and stable performance of automation systems and industrial control equipment.
Advantages
This surge arrester offers robust protection for low-voltage applications, effectively mitigating risks associated with sudden voltage fluctuations. Its compact design allows for seamless integration into existing control cabinets and electronic assemblies without requiring significant space. By maintaining voltage stability, the device helps prevent costly downtime and hardware failures, ensuring consistent operation in demanding industrial environments.
Suitable for
Industrial automation systems
Low-voltage electronic control circuits
Protection of sensitive sensors and measurement equipment
Communication interfaces operating at 5V DC
This device is not intended for use in high-voltage power distribution networks or AC mains circuits. It is specifically calibrated for 5V DC systems and may not provide adequate protection or may be damaged if connected to circuits with significantly higher voltage ratings or different electrical characteristics.
Key specifications
Operating voltage: 5V DC
Device type: Surge arrester
Application: Low-voltage circuit protection
Design: Compact form factor for industrial use
To install the Relpol RSP-4L-05, ensure the power supply is disconnected from the circuit. Connect the arrester in parallel with the sensitive equipment or directly at the input of the circuit to be protected, ensuring correct polarity according to the technical documentation. Once securely mounted and wired, restore power to the system to begin operation.
What to consider before purchase
Verify that your system operates specifically at 5V DC
Ensure the device is compatible with your existing mounting rail or enclosure space
Confirm the expected surge levels in your environment do not exceed the device's rated capacity
For optimal performance, ensure that the surge arrester is installed as close as possible to the equipment it is intended to protect. Regularly inspect the device for signs of physical damage or degradation, especially after significant electrical storms or power fluctuations, to maintain system integrity.

## FAQ

### How much does the Relpol RSP-4L-05 5V DC Surge Arrester cost, and is it available for purchase?

The price is 51.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 Relpol 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 Relpol 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

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