# Siemens SIRIUS 3RT2028-1AP00 Power Contactor, 3-Pole, 38A, 230V AC Coil, Size S0

**URL:** https://aio.lv/en/product--siemens-3rt2028-1ap00--1796341
**Data updated:** 2026-05-18 02:39 (EEST)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RT2028-1AP00
**EAN:** 4011209833630
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Siemens SIRIUS 3RT2028-1AP00 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads. Featuring a 38A rated operational current and a 230V AC control coil, this size S0 device is ideal for industrial automation and motor control applications. It ensures efficient operation and long service life in demanding electrical systems.

## Long description

The Siemens SIRIUS 3RT2028-1AP00 is a robust 3-pole power contactor engineered for the reliable switching of electrical loads in industrial environments. As part of the SIRIUS series, this size S0 device offers a rated operational current of 38A and is equipped with a 230V AC control coil, making it a versatile component for demanding electrical infrastructure and motor control systems.
This contactor is designed for high operational reliability and durability. Its compact S0 frame size allows for efficient space utilization within control cabinets, while the high-quality construction ensures consistent performance even under frequent switching cycles. The device is built to meet rigorous industrial standards, providing a dependable solution for managing power distribution and machine operation.
Advantages
The primary benefit of this contactor is its high switching capacity combined with a compact physical footprint, which facilitates easier integration into dense control panels. The device is designed for longevity and low maintenance, reducing downtime in critical industrial processes. Furthermore, the standardized S0 size ensures compatibility with a wide range of Siemens SIRIUS accessories, allowing for flexible system expansion and simplified installation procedures.
Suitable for
Industrial motor control applications
Switching of resistive and inductive loads
Automation systems in manufacturing plants
Heating and lighting control circuits
Integration into control panels for machinery
When it may not be suitable
This contactor is designed specifically for AC control voltages and is not suitable for applications requiring DC control signals. Additionally, it should not be used in environments that exceed its specified current rating of 38A or in conditions where extreme environmental factors, such as high levels of corrosive dust or moisture, exceed the device's protection rating.
Key specifications
Number of poles: 3
Rated operational current: 38A
Control coil voltage: 230V AC
Size: S0
Configuration: 1 NO and 1 NC auxiliary contacts
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. Ensure that the control circuit is connected to the A1 and A2 terminals using the correct 230V AC supply. Power cables should be connected to the main terminals, ensuring 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 230V AC signal.
Ensure the 38A current rating is sufficient for your specific load requirements.
Check available space in your control cabinet for the S0 frame size.
Confirm that the auxiliary contact configuration meets your feedback or interlocking 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 throughout the service life of the contactor.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

https://aio.lv/img/cache/product/1796341/47503311_large.webp