# Siemens SIRIUS 3RT2025-1BB40 Power Contactor 17A 3-Pole 24V DC

**URL:** https://aio.lv/en/product--siemens-3rt2025-1bb40--1796290
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RT2025-1BB40
**EAN:** 4011209832459
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 108.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 90.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt2025-1bb40--1796290

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS 3RT2025-1BB40 is a high-performance 3-pole power contactor designed for reliable industrial switching applications. It features a 17A rated operational current and a 24V DC control supply voltage. This S0 size contactor includes 1NO and 1NC auxiliary contacts, providing efficient control for motors and electrical systems. Built for durability and seamless integration in automation panels.

## Long description

The Siemens SIRIUS 3RT2025-1BB40 is a robust 3-pole power contactor engineered for demanding industrial switching environments. Designed to handle a rated operational current of 17A, this device ensures reliable performance in motor control and power distribution systems. It operates with a 24V DC control supply voltage, making it a versatile component for modern automation panels and electrical infrastructure.
Advantages
This contactor stands out due to its compact S0 size, which allows for efficient space utilization within control cabinets without compromising on power capacity. The integrated auxiliary contact configuration, consisting of one normally open and one normally closed contact, provides essential feedback and interlocking capabilities for complex control circuits. Its durable construction ensures long-term operational stability even in high-frequency switching applications, reducing maintenance requirements and downtime.
Suitable for
Industrial motor control systems
Automation and control panels
Heating and lighting circuit switching
Electrical distribution infrastructure
When it may not be suitable
This device is not intended for applications requiring AC control voltages, as it is specifically designed for 24V DC operation. It may also be unsuitable for environments exceeding its rated operational current of 17A or for installations where the physical dimensions of the S0 frame size do not fit the existing mounting layout.
Key specifications
Rated operational current: 17A
Number of poles: 3
Control supply voltage: 24V DC
Auxiliary contacts: 1 NO + 1 NC
Frame size: S0
How to use
Installation should be performed by qualified personnel in accordance with local electrical regulations. The contactor is designed for mounting on standard DIN rails or via screw fixing within an enclosure. Connect the main power lines to the primary terminals and the 24V DC control signal to the coil terminals. Ensure that all connections are tightened to the specified torque to prevent overheating and ensure secure electrical contact.
What to consider before purchase
Verify that your control system provides a 24V DC supply.
Check that the 17A current rating is sufficient for your specific load requirements.
Ensure the S0 frame size is compatible with your current panel layout.
Confirm the auxiliary contact configuration meets your interlocking or signaling needs.
Usage recommendations
Regularly inspect the terminal connections for tightness and check for any signs of wear or debris accumulation to maintain optimal performance and safety standards throughout the service life of the contactor.

## FAQ

### How much does the Siemens SIRIUS 3RT2025-1BB40 Power Contactor cost, and is it available for purchase?

The price is 108.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 34 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 07.07.2026 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 Siemens SIRIUS 3RT2025-1BB40 Power Contactor 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

## Image

https://aio.lv/img/cache/product/1796290/47494022_large.webp