# Siemens 3RT2018-1AB01 Power Contactor, 3-Pole, 16A, 24V AC Coil, 1NO Auxiliary Contact, Size S00

**URL:** https://aio.lv/en/product--siemens-3rt20181ab01--1803221
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** Siemens
**Manufacturer code:** 3RT20181AB01
**EAN:** 4011209784062
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 41.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 34.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rt20181ab01--1803221

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RT2018-1AB01 is a reliable 3-pole power contactor designed for industrial switching applications. Featuring a 16A rated current and a 24V AC control coil, this size S00 device includes one normally open (NO) auxiliary contact. It is engineered for high performance and durability in motor control and power distribution systems, ensuring efficient operation in demanding electrical environments.

## Long description

The Siemens 3RT2018-1AB01 is a robust 3-pole power contactor engineered for demanding industrial switching tasks. As part of the S00 size category, this compact device is designed to provide reliable performance in motor control circuits and power distribution systems. It operates with a 24V AC control coil and is rated for a 16A current, making it a dependable component for maintaining efficient electrical operations in various professional environments.
Advantages
This power contactor stands out due to its high operational reliability and compact design, which saves valuable space in control cabinets. The integration of a 1NO auxiliary contact enhances its versatility for control and signaling purposes. Built with high-quality materials, it ensures long-term durability and consistent switching performance even under frequent operation cycles, reducing the need for frequent maintenance.
Suitable for
Industrial motor control systems
Power distribution and switching applications
Automation and control panel integration
Heating and lighting control circuits
When it may not be suitable
This device is not intended for use in high-voltage power grids or applications requiring current ratings exceeding 16A. It is also not suitable for environments where DC control voltage is required, as this specific model is designed exclusively for 24V AC operation.
Key specifications
Number of poles: 3
Rated operational current: 16A
Control coil voltage: 24V AC
Auxiliary contact configuration: 1 Normally Open (NO)
Size: S00
How to use
The contactor should be installed by a qualified professional onto a standard mounting rail or via screw mounting within an electrical enclosure. Ensure that the control circuit is connected to the 24V AC terminals and the main power lines are secured to the appropriate power terminals. Verify that the auxiliary contact is correctly wired to your control or monitoring system before energizing the device.
What to consider before purchase
Verify that your control circuit voltage matches the 24V AC specification.
Ensure the 16A current rating is sufficient for your specific load requirements.
Check the available space in your control cabinet to accommodate the S00 size.
Confirm that the 1NO auxiliary contact meets your signaling or interlocking needs.
Usage recommendations: Always ensure that the power supply is disconnected before performing any installation or maintenance work. Regularly inspect terminal connections for tightness to prevent overheating and ensure optimal electrical conductivity throughout the device's service life.

## FAQ

### How much does the Siemens 3RT2018-1AB01 Power Contactor 16A 24V AC cost, and is it available for purchase?

The price is 41.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 22 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 09.07.2026 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. All transactions are 100% secure and encrypted.

### 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

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