# Siemens 3RV2021-1EA10 Motor Circuit Breaker, Class 10, 2.8-4A, Screw Terminals

**URL:** https://aio.lv/en/product--siemens-3rv20211ea10--3421549
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3RV20211EA10
**EAN:** 4011209902916
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.49 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 47.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv20211ea10--3421549

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 29.07.2026 | free |
| Pickup points | 03.08.2026 | 1.89 EUR |
| Courier delivery to door | 03.08.2026 | 4.99 EUR |

## Summary description

The Siemens 3RV2021-1EA10 is a high-quality motor circuit breaker designed for reliable protection of electric motors. It features a thermal overload release range of 2.8 to 4 A and an instantaneous magnetic trip current of 52 A. This Class 10 device utilizes secure screw terminal connections, ensuring stable operation in industrial control systems and motor starter applications.

## Long description

The Siemens 3RV2021-1EA10 is a professional-grade motor circuit breaker engineered to provide robust protection for electric motors in demanding industrial environments. This Class 10 device is specifically designed to safeguard motor circuits against thermal overloads and short-circuit faults, ensuring operational continuity and equipment longevity. With its precise current setting range and reliable magnetic trip mechanism, it serves as a critical component in modern motor starter assemblies and control panels.
Advantages
This motor circuit breaker offers exceptional reliability through its high-quality construction and standardized design. The thermal overload release is adjustable, allowing for precise calibration to the specific requirements of the connected motor. The inclusion of secure screw terminals ensures a vibration-resistant and durable electrical connection, which is essential for maintaining system integrity in industrial settings. Its compact design facilitates efficient use of space within control cabinets while maintaining high performance standards.
Suitable for
Industrial motor starter applications
Protection of three-phase induction motors
Control cabinet installations
Automation and process control systems
This device may not be suitable for applications requiring current ratings outside the 2.8 to 4 A range or for environments with extreme environmental conditions that exceed the specified protection class ratings. It is also not intended for use in circuits where a higher magnetic trip threshold is required for high-inertia starting loads.
Key specifications
Thermal overload release range: 2.8 to 4 A
Instantaneous magnetic trip current: 52 A
Trip class: Class 10
Connection type: Screw terminals
Device size: S0
Installation should be performed by qualified personnel in accordance with local electrical regulations. The device is typically mounted on a standard DIN rail within a control panel. After mounting, the motor current should be set to the rated value of the motor using the adjustment dial on the front of the unit. Ensure all screw terminals are tightened to the manufacturer's specified torque to prevent overheating and ensure a secure connection.
What to consider before purchase
Verify the full-load current of your motor falls within the 2.8 to 4 A range
Ensure the mounting space is compatible with the S0 size dimensions
Confirm that the screw terminal connection method meets your installation standards
For optimal performance and safety, regularly inspect the terminal connections for tightness and ensure the device is free from dust and debris accumulation within the control cabinet.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.352 kg |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 3RV2021-1EA10 Motor Circuit Breaker cost, and is it available for purchase?

The price is 57.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 29.07.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3421549/58378599_large.webp