# Siemens SIRIUS 3RT2018-1BB41 Power Contactor, 3-Pole, 16A, 24V DC

**URL:** https://aio.lv/en/product--siemens-3rt2018-1bb41--1796330
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RT2018-1BB41
**EAN:** 4011209784093
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 88.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 73.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt2018-1bb41--1796330

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Siemens SIRIUS 3RT2018-1BB41 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads. Featuring a 16A rated current and a 24V DC control supply voltage, this S00 size contactor is ideal for industrial automation and motor control applications. It ensures efficient operation and long-term durability in demanding electrical environments.

## Long description

The Siemens SIRIUS 3RT2018-1BB41 is a robust 3-pole power contactor engineered for the precise and reliable switching of electrical loads in industrial settings. As part of the S00 size category, this device is built to handle demanding operational requirements while maintaining a compact footprint. It operates with a rated current of 16A and utilizes a 24V DC control supply voltage, making it a versatile component for modern control systems and motor management.
Advantages
This contactor offers exceptional reliability and long-term durability, even in harsh industrial environments. Its design focuses on efficient energy consumption and high switching frequency, which helps in reducing downtime and maintenance costs. The S00 size allows for space-saving installation in control cabinets, while the standardized interface ensures seamless integration with other Siemens SIRIUS modular components.
Suitable for
Industrial automation systems
Motor control and protection circuits
Switching resistive and inductive loads
HVAC control applications
When it may not be suitable
This contactor is not intended for applications requiring currents exceeding 16A or for AC control voltage systems. It is also not suitable for environments that exceed the specified IP protection ratings or extreme temperature ranges outside the manufacturer's technical guidelines.
Key specifications
Number of poles: 3
Rated operational current: 16A
Control supply voltage: 24V DC
Size: S00
Mounting type: Screw mounting or snap-on mounting on standard DIN rails
How to use
Installation should be performed by qualified personnel in accordance with local electrical regulations. The contactor is typically mounted onto a 35mm DIN rail or secured via screws within a control panel. Connect the main power lines to the primary terminals and the 24V DC control signal to the coil terminals. Ensure 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 signal.
Ensure the 16A current rating is sufficient for your specific load requirements.
Check available space in your control cabinet for S00 size components.
Confirm compatibility with existing DIN rail configurations.
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.

## FAQ

### How much does the Siemens SIRIUS 3RT2018-1BB41 Power Contactor cost, and is it available for purchase?

The price is 88.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 06.07.2026 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 3RT2018-1BB41 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/1796330/47495533_large.webp