# Siemens 3RT2024-1BB40 Power Contactor, 3-Pole, 12A, 24V DC, 1NO+1NC, Size S0

**URL:** https://aio.lv/en/product--siemens-3rt20241bb40--1808066
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** Siemens
**Manufacturer code:** 3RT20241BB40
**EAN:** 4011209831957
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 86.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 71.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt20241bb40--1808066

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RT2024-1BB40 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads. Featuring a 12A rated operational current and a 24V DC control supply voltage, this S0 size contactor includes 1NO and 1NC auxiliary contacts. It is ideal for industrial automation, motor control, and power distribution systems, ensuring durability and efficient operation in demanding electrical environments.

## Long description

The Siemens 3RT2024-1BB40 is a robust 3-pole power contactor engineered for the reliable switching of electrical loads in industrial environments. This S0 size device is designed to handle a rated operational current of 12A and operates with a 24V DC control supply voltage. Equipped with integrated 1NO and 1NC auxiliary contacts, it provides essential feedback and control capabilities for complex electrical systems, ensuring consistent performance and long-term durability in demanding automation applications.
Advantages
This power contactor stands out due to its compact S0 frame size, which allows for efficient space utilization within control cabinets without compromising on power capacity. The high-quality construction ensures reliable operation under frequent switching cycles, reducing maintenance requirements and downtime. Its integration of auxiliary contacts simplifies the wiring process for control circuits, while the 24V DC coil provides energy-efficient operation suitable for modern industrial control standards.
Suitable for
Industrial automation systems
Motor control applications
Power distribution panels
Heating and lighting control circuits
When it may not be suitable
This contactor is not intended for applications requiring higher current ratings exceeding 12A or for systems utilizing AC control voltages, as the coil is specifically designed for 24V DC. It is also not suitable for environments with extreme corrosive gases or excessive vibration levels that exceed standard industrial specifications.
Key specifications
Number of poles: 3
Rated operational current: 12A
Control supply voltage: 24V DC
Auxiliary contacts: 1NO + 1NC
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 mounting within an enclosure. Connect the main power lines to the primary terminals and the control circuit to the A1 and A2 coil terminals. Ensure that the auxiliary contacts are wired correctly to your control logic to monitor the status of the contactor during operation.
What to consider before purchase
Verify that your control circuit provides a stable 24V DC supply.
Ensure the load current does not exceed the 12A rating.
Check available space in your control cabinet for the S0 size footprint.
Confirm that the auxiliary contact configuration meets your control requirements.
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the contactor remains free from dust and moisture accumulation to maintain optimal electrical conductivity and operational safety.

## FAQ

### How much does the Siemens 3RT2024-1BB40 Power Contactor cost, and is it available for purchase?

The price is 86.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 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 15.07.2026 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 3RT2024-1BB40 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/1808066/47497400_large.webp