Siemens SIRIUS 3RT2028-1BB40 Power Contactor

Name: Siemens SIRIUS 3RT2028-1BB40 Power Contactor, 3RT2028-1BB40
Brand: Siemens
SKU: 1796136
Price: 193.49 EUR
Availability: InStock

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Siemens SIRIUS 3RT2028-1BB40 Power Contactor, 3-Pole, 38A, 24V DC Control Voltage, Size S0

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Short description

The Siemens SIRIUS 3RT2028-1BB40 is a high-performance 3-pole power contactor designed for reliable switching of electrical loads. Featuring a 38A rated operational current and a 24V DC control voltage, this size S0 contactor is ideal for industrial automation and motor control applications. It ensures efficient operation and durability in demanding environments, providing a robust solution for complex electrical systems.

Available for order: 15 pcs.

Warranty: 2 Years

SKU: 1796136

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.61 kg)

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36 months installment: from 5.37 euros per month

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Product information

Description

The Siemens SIRIUS 3RT2028-1BB40 is a professional-grade 3-pole power contactor engineered for the precise switching of electrical loads in industrial environments. As part of the reliable SIRIUS series, this size S0 contactor is built to handle demanding operational requirements with a rated current of 38A and a 24V DC control voltage, ensuring consistent performance in complex automation and motor control setups.

Advantages

This power contactor offers exceptional durability and operational efficiency, making it a dependable component for heavy-duty electrical systems. Its compact size S0 design allows for space-saving installation within control cabinets without compromising on switching capacity. The unit is designed for high endurance, reducing the need for frequent maintenance and ensuring long-term reliability in various industrial applications.

Suitable for

Industrial motor control systems
Automation and control panels
Switching of resistive and inductive loads
Heating and lighting control circuits

When it may not be suitable

This contactor is not intended for applications requiring AC control voltages, as it is specifically designed for 24V DC operation. It may also be unsuitable for environments exceeding its specified thermal or electrical ratings, or for specialized hazardous locations that require explosion-proof equipment.

Key specifications

Number of poles: 3
Rated operational current: 38A
Control voltage: 24V DC
Size: S0
Auxiliary contacts: 1 NO + 1 NC

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 a control cabinet. Ensure that the control circuit is connected to the 24V DC terminals and that the main power lines are securely fastened to the load terminals. Verify that the voltage and current ratings match your system requirements before energizing the circuit.

What to consider before purchase

Verify that your control system provides a stable 24V DC supply.
Ensure the 38A current rating is sufficient for your specific motor or load.
Check available space in your control cabinet to accommodate size S0 dimensions.
Confirm compatibility with existing auxiliary contact requirements.

Usage recommendations

Regularly inspect the terminal connections for tightness and check for signs of wear or overheating during scheduled maintenance intervals to ensure optimal performance and safety.

Description

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Customer questions

FAQ

How much does the Siemens SIRIUS 3RT2028-1BB40 Power Contactor cost, and is it available for purchase?

The price is 193.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 07.07.2026 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 3RT2028-1BB40 Power Contactor be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Siemens SIRIUS 3RT2028-1BB40 Power Contactor online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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