# BREVE STM 400 Single-Phase Transformer 230/24V

**URL:** https://aio.lv/en/product--breve-16224-9918--12449752
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Voltage Stabilizers
**Manufacturer:** BREVE
**Manufacturer code:** 16224-9918
**EAN:** 5907812714192
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 127.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 105.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--breve-16224-9918--12449752

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The BREVE STM 400 is a high-quality single-phase safety transformer designed for industrial and general electrical applications. It features a 230V primary voltage and a 24V secondary voltage with a power rating of 400VA. This robust unit ensures reliable voltage conversion and electrical isolation, making it suitable for powering control circuits, automation systems, and various low-voltage equipment in demanding environments.

## Long description

The BREVE STM 400 is a professional-grade single-phase safety transformer engineered for reliable voltage conversion in industrial and general electrical installations. This unit effectively transforms a 230V primary input into a 24V secondary output, providing a stable power supply with a capacity of 400VA. Built for durability and performance, it serves as a critical component for maintaining electrical isolation and safety in various control and automation systems.
Advantages
This transformer offers exceptional operational reliability due to its robust construction and high-quality materials. It provides essential electrical isolation between the primary and secondary circuits, which significantly enhances safety for connected low-voltage equipment. Its compact design allows for efficient integration into control panels and electrical cabinets, while the high power rating ensures consistent performance even under continuous load conditions in demanding industrial environments.
Suitable for
Powering industrial control circuits
Automation and control systems
Low-voltage lighting and signaling equipment
General electrical applications requiring galvanic isolation
When it may not be suitable
This transformer is not intended for applications requiring a voltage output other than 24V or for systems exceeding its 400VA power capacity. It is designed for indoor use and should not be installed in environments with extreme moisture, corrosive gases, or excessive dust without appropriate protective enclosures.
Key specifications
Primary voltage: 230V
Secondary voltage: 24V
Power rating: 400VA
Phase: Single-phase
Function: Safety and isolation transformer
How to use
Installation should be performed by a qualified electrician in accordance with local electrical regulations. The transformer must be mounted securely in a well-ventilated area to ensure proper heat dissipation. Connect the primary 230V supply to the designated input terminals and the secondary 24V load to the output terminals, ensuring that all connections are tightened to the specified torque. Always verify that the input and output voltages match the requirements of your equipment before energizing the circuit.
What to consider before purchase
Ensure the 400VA power rating is sufficient for your total load requirements
Verify that the 230V/24V voltage transformation meets your specific equipment needs
Confirm that the installation environment provides adequate ventilation
Check that the mounting space is compatible with the physical dimensions of the unit
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the unit remains free of dust accumulation to maintain optimal cooling efficiency and operational safety.

## FAQ

### How much does the BREVE STM 400 Single-Phase Transformer 230/24V cost, and is it available for purchase?

The price is 127.99 € (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 09.07.2026 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 BREVE STM 400 Single-Phase Transformer 230/24V 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 BREVE 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 BREVE 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/12449752/68752558_large.webp