# BREVE STM 100 Single-Phase Transformer 400/230V

**URL:** https://aio.lv/en/product--breve-16252-9917--12465347
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Power Supplies (PSU)
**Manufacturer:** BREVE
**Manufacturer code:** 16252-9917
**EAN:** 5907812714321
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 36.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--breve-16252-9917--12465347

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The BREVE STM 100 is a high-quality single-phase safety transformer designed for industrial and general electrical applications. It features a 400V primary voltage and 230V secondary voltage, providing reliable power conversion. Built for durability and efficiency, this transformer is suitable for control circuits and various electrical installations requiring stable voltage transformation.

## Long description

The BREVE STM 100 is a professional-grade single-phase safety transformer engineered for reliable voltage conversion in industrial and general electrical environments. With a primary voltage of 400V and a secondary output of 230V, this unit ensures stable power delivery for sensitive control circuits and various electrical installations. Its robust construction is designed to withstand demanding operational conditions while maintaining high efficiency and safety standards.
Advantages
This transformer stands out due to its high-quality manufacturing standards, which ensure long-term durability and consistent performance under continuous load. The design focuses on thermal stability and electrical safety, making it a dependable component for complex electrical systems. Its compact build allows for efficient integration into control cabinets and machinery, providing a seamless solution for voltage transformation needs without compromising on power quality.
Suitable for
Industrial control circuits
General electrical installations
Voltage step-down applications
Powering auxiliary equipment in machinery
When it may not be suitable
This transformer is not intended for use in high-frequency applications or environments exceeding its specified thermal and power ratings. It is also not suitable for outdoor installations that lack appropriate protective enclosures against moisture and environmental contaminants.
Key specifications
Type: Single-phase safety transformer
Primary voltage: 400V
Secondary voltage: 230V
Application: Industrial and general electrical use
How to use
Installation should be performed by a qualified professional in accordance with local electrical regulations. The transformer must be mounted in a well-ventilated area to ensure proper heat dissipation. Connect the primary 400V input to the designated terminals and the secondary 230V output to the load, ensuring that all connections are secure and properly insulated. Always verify that the input voltage matches the transformer specifications before energizing the circuit.
What to consider before purchase
Ensure the power rating matches your specific application requirements
Verify that the installation environment provides adequate ventilation
Confirm that the input and output voltage levels are compatible with your equipment
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the unit remains free of dust and debris to maintain optimal cooling performance and operational safety.

## FAQ

### How much does the BREVE STM 100 Single-Phase Transformer 400/230V cost, and is it available for purchase?

The price is 44.49 € (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 08.07.2026 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 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/12465347/68766878_large.webp