# Electrical relay Siemens 3UG4512-1BR20

**URL:** https://aio.lv/en/product--siemens-3ug4512-1br20--3887280
**Data updated:** 2026-01-13 17:48 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 3UG4512-1BR20
**EAN:** 4011209642256
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 125.99 €
**Prices and availability valid until:** 2026-08-30 23:59
**Price without VAT (21%):** 104.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3ug4512-1br20--3887280

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.79 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

The Siemens 3UG4512-1BR20 is a reliable electrical relay designed for AC input frequencies of 50-60 Hz. Weighing 152 g, it features a compact design with package dimensions of 99 mm in width and 107 mm in depth. Manufactured in Germany, this relay is ideal for various applications requiring efficient performance and durability.

## Long description

The Siemens 3UG4512-1BR20 electrical relay is designed for control and switching tasks in industrial and building automation systems. It supports AC input frequencies of 50–60 Hz and offers a compact form factor with a lightweight build suitable for installation in control cabinets and machinery. Made in Germany, the relay emphasizes consistent operation and straightforward integration into existing control circuits.
Advantages
The relay combines compact dimensions and low weight to simplify mounting and reduce space requirements. Its compatibility with common AC input frequencies ensures reliable switching performance across standard power systems. The robust construction supports long-term operation under typical industrial conditions and facilitates maintenance due to its standardized form factor.
Suitable for
 Control panels and distribution boards
 Motor control and automation systems
 Signal switching in industrial equipment
 Building management and HVAC control
Key specifications
 Input frequency: 50–60 Hz (AC)
 Weight: 152 g
 Package dimensions (W x D): 99 mm x 107 mm
 Origin: Germany
How to use
Mount the relay in a suitable panel or enclosure using standard fasteners, observing the specified package dimensions to ensure proper fit. Connect the AC control supply matching the 50–60 Hz frequency range and wire the switched circuits following the system's schematic and safety regulations. Verify connections and perform functional tests after installation to confirm correct switching behaviour.
Usage recommendations
Use the relay within the stated frequency range and environmental conditions typical for industrial installations. Ensure proper circuit protection and grounding, and follow manufacturer guidelines for load limits and wiring practices to maintain reliable operation.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.152 kg |
| Package depth | 107 mm |
| Package height | 29 mm |
| Package width | 99 mm |

### Power

| Feature | Value |
|---|---|
| AC input frequency | 50 - 60 |

### Design

| Feature | Value |
|---|---|
| Product colour | Black, Grey |

### Technical details

| Feature | Value |
|---|---|
| Country of origin | Germany |

## FAQ

### How much does the Electrical relay Siemens 3UG4512-1BR20 cost, and is it available for purchase?

The price is 125.99 € (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 11.08.2026 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 Electrical relay Siemens 3UG4512-1BR20 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 Siemens 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 Siemens 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Electrical relay Siemens 3UG4512-1BR20?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3887280/64232246_large.webp