# Relpol RSR52-48D25 Single-Phase Solid State Relay 25A 480V AC 4-32V DC

**URL:** https://aio.lv/en/product--relpol-2615939--12462483
**Data updated:** 2026-05-18 09:38 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Relpol
**Manufacturer code:** 2615939
**EAN:** 5900005261121
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 31.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 26.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--relpol-2615939--12462483

## 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 RSR52-48D25 is a high-performance single-phase solid state relay designed for efficient switching in industrial applications. It features a load voltage of 480V AC, a control voltage range of 4-32V DC, and a rated current of 25A. This reliable component ensures silent operation and long service life, making it ideal for heating control, motor starting, and automation systems requiring frequent switching cycles.

## Long description

The Relpol RSR52-48D25 is a high-performance single-phase solid state relay engineered for precise and reliable switching in demanding industrial environments. By utilizing semiconductor technology, this relay eliminates mechanical wear, providing a silent and durable solution for controlling electrical loads. It is designed to handle a load voltage of up to 480V AC and supports a wide control voltage range of 4-32V DC, ensuring compatibility with various automation controllers and PLC systems.
Advantages
The primary benefit of the Relpol RSR52-48D25 is its ability to perform frequent switching operations without the degradation associated with traditional electromechanical relays. Its solid-state design ensures silent operation, which is essential for noise-sensitive environments. Furthermore, the device offers high reliability and a significantly longer service life, reducing maintenance requirements and downtime in industrial processes. The compact design allows for efficient space utilization within control cabinets.
Suitable for
Heating element control systems
Industrial automation and process control
Motor starting applications
Lighting control systems
Frequent switching cycles in production lines
When it may not be suitable
This relay is not suitable for switching DC loads, as it is specifically designed for AC applications. Additionally, it should not be used in environments where the ambient temperature exceeds the manufacturer's specified thermal limits without adequate heat sinking or cooling measures.
Key specifications
Load voltage: 480V AC
Control voltage: 4-32V DC
Rated current: 25A
Single-phase configuration
Silent electronic switching
How to use
To install the relay, mount it securely onto a compatible heat sink to ensure proper thermal dissipation, as solid-state relays generate heat during operation. Connect the control signal wires to the input terminals, ensuring the polarity matches the 4-32V DC requirement. Connect the AC load to the output terminals in series with the power supply. Verify all connections for tightness and ensure that the load current does not exceed the 25A rating before applying power.
What to consider before purchase
Ensure the load current does not exceed 25A
Verify that the control signal source provides 4-32V DC
Confirm that the application requires AC switching
Assess the need for an additional heat sink based on the load profile
Usage recommendations
Always use an appropriately sized heat sink to prevent overheating and ensure the longevity of the relay. Periodically inspect the electrical connections to maintain optimal performance and safety.

## FAQ

### How much does the Relpol RSR52-48D25 Single-Phase Solid State Relay 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 — 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 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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