# Hager ST301 Bell Transformer 230V/8-12V AC 4VA

**URL:** https://aio.lv/en/product--hager-st301--3435324
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Power Sockets
**Manufacturer:** Hager
**Manufacturer code:** ST301
**EAN:** 3250615703019
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 32.22 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hager-st301--3435324

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.89 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

The Hager ST301 is a reliable bell transformer designed for DIN rail mounting. It features an input voltage of 230V AC and provides an output voltage of 8-12V AC with a power rating of 4VA. This compact electrical accessory is ideal for powering doorbells, chimes, and other low-voltage signaling systems in residential or commercial electrical installations.

## Long description

The Hager ST301 bell transformer is a high-quality electrical component engineered for the reliable operation of low-voltage signaling devices. Designed for seamless integration into standard electrical distribution boards, this transformer converts a 230V AC mains supply into a safe 8-12V AC output. Its compact design and robust construction ensure consistent performance in various residential and commercial settings, providing the necessary power for doorbells and acoustic signaling systems.
Advantages
This transformer offers exceptional reliability and safety for low-voltage applications. Its design allows for quick and secure installation on a standard DIN rail, making it an ideal choice for modern electrical panels. The device is built to withstand continuous operation, ensuring that your signaling systems remain functional at all times. By providing a stable output voltage, it protects connected devices from fluctuations and ensures clear, consistent sound quality for doorbells and chimes.
Suitable for
Powering residential doorbells
Operating acoustic chimes
Low-voltage signaling systems
Commercial building entry alerts
When it may not be suitable
This transformer is not intended for high-power applications or devices requiring a DC power supply. It should not be used for lighting systems, industrial machinery, or any equipment exceeding the 4VA power rating.
Key specifications
Input voltage: 230V AC
Output voltage: 8V, 12V AC
Power rating: 4VA
Mounting type: DIN rail
How to use
The Hager ST301 should be installed by a qualified professional within an appropriate electrical distribution enclosure. Ensure the power supply is disconnected before beginning installation. Mount the unit onto the DIN rail, then connect the 230V mains input to the primary terminals and the doorbell or signaling device to the secondary terminals corresponding to the required voltage output. Once connections are verified, restore power to the circuit.
What to consider before purchase
Verify that the total power consumption of your doorbell or chime does not exceed 4VA.
Ensure your distribution board has sufficient space for a DIN rail-mounted device.
Check that your signaling device is compatible with AC voltage.
Usage recommendations
Always ensure that the wiring is performed according to local electrical safety regulations and that the transformer is housed in an appropriately rated enclosure to prevent accidental contact with live parts.

## Specifications

| Feature | Value |
|---|---|
| Quantity | 1 |
| AC input voltage | 230 |

## FAQ

### How much does the Hager ST301 Bell Transformer 230V/8-12V cost, and is it available for purchase?

The price is 38.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 21.07.2026 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 Hager 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 Hager 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/3435324/58385924_large.webp