# Siemens 3RT2026-2BB40 Power Contactor, 3-Pole, 25A, 24V DC, 1NO+1NC, Size S0

**URL:** https://aio.lv/en/product--siemens-3rt20262bb40--1806145
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RT20262BB40
**EAN:** 4011209790186
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 130.49 €
**Prices and availability valid until:** 2026-07-07 23:59
**Price without VAT (21%):** 107.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt20262bb40--1806145

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RT2026-2BB40 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads. Featuring a 25A rated current and a 24V DC control coil, this size S0 contactor includes 1NO and 1NC auxiliary contacts. It is ideal for industrial automation, motor control, and power distribution systems, ensuring efficient operation and long-term durability in demanding electrical environments.

## Long description

The Siemens 3RT2026-2BB40 is a robust 3-pole power contactor engineered for the reliable switching of electrical loads in industrial environments. As part of the Sirius innovation series, this size S0 contactor is built to handle demanding applications with a rated operational current of 25A. It features a 24V DC control coil and integrated auxiliary contacts, providing a compact and efficient solution for modern control systems and motor management.
Advantages
This contactor offers exceptional operational reliability and longevity, even under frequent switching conditions. Its compact size S0 design allows for space-saving installation within control cabinets, while the standardized interface ensures seamless integration into existing automation architectures. The inclusion of both normally open and normally closed auxiliary contacts provides added flexibility for monitoring and feedback circuits, enhancing the overall safety and control capabilities of the electrical system.
Suitable for
Industrial automation and control systems
Motor control and protection circuits
Power distribution and switching applications
Heating and lighting control systems
This contactor may not be suitable for applications requiring AC control voltages, as it is specifically designed for 24V DC operation. Additionally, it is not intended for use in environments exceeding its specified thermal or electrical ratings, and it should not be used in high-vibration areas without appropriate protective enclosures.
Key specifications
Number of poles: 3
Rated operational current: 25A
Control supply voltage: 24V DC
Auxiliary contacts: 1NO + 1NC
Size: S0
Installation should be performed by qualified personnel in accordance with local electrical regulations. The contactor is typically mounted on a standard DIN rail or via screw mounting within a control panel. Ensure that the control circuit is correctly wired to the coil terminals and that the main power lines are securely fastened to the power terminals, observing the correct torque specifications to prevent loose connections.
What to consider before purchase
Verify that the 24V DC control voltage matches your existing control system requirements.
Ensure the 25A current rating is sufficient for your specific load application.
Check the available space in your control cabinet to accommodate the S0 size dimensions.
Confirm that the auxiliary contact configuration meets your feedback or interlocking needs.
For optimal performance and safety, regularly inspect the contactor for signs of wear and ensure all terminal connections remain tight during routine maintenance cycles.

## FAQ

### How much does the Siemens 3RT2026-2BB40 Power Contactor cost, and is it available for purchase?

The price is 130.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 01.07.2026 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 3RT2026-2BB40 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/1806145/47505775_large.webp