# Siemens 3RV2021-1GA10 Motor Circuit Breaker, 4.5-6.3A, Size S0

**URL:** https://aio.lv/en/product--siemens-3rv20211ga10--3420808
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3RV20211GA10
**EAN:** 4011209902886
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 74.49 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 61.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv20211ga10--3420808

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RV2021-1GA10 is a high-performance motor circuit breaker designed for reliable motor protection. Featuring a thermal-magnetic release, it covers a current range of 4.5 to 6.3A and is built in the compact S0 size. This device provides essential protection against short circuits and overloads in industrial electrical systems, ensuring operational safety and longevity for connected motor equipment.

## Long description

The Siemens 3RV2021-1GA10 is a professional-grade motor circuit breaker engineered to provide robust protection for industrial electric motors. Designed with a compact S0 frame size, this device integrates thermal-magnetic release technology to effectively monitor and safeguard equipment within a current range of 4.5 to 6.3A. It serves as a critical component in electrical distribution systems, offering reliable performance in demanding environments.
Advantages
This motor circuit breaker offers exceptional reliability through its precise thermal-magnetic tripping mechanism, which ensures rapid response to both overload and short-circuit conditions. Its compact S0 design allows for efficient use of space within control cabinets, facilitating easier installation and integration into existing electrical panels. The device is built to withstand rigorous industrial conditions, contributing to the longevity and operational safety of connected motor systems.
Suitable for
Industrial motor control centers
Automation and manufacturing machinery
HVAC system motor protection
Conveyor belt drive systems
Pump and compressor control circuits
When it may not be suitable
This device is not intended for use in circuits exceeding the specified current range of 4.5 to 6.3A. It is also not suitable for applications requiring specialized protection features not covered by standard thermal-magnetic releases, such as advanced electronic monitoring or communication-enabled diagnostics.
Key specifications
Current setting range: 4.5 to 6.3A
Size: S0
Release type: Thermal-magnetic
Function: Overload and short-circuit protection
Mounting: Standard DIN rail or screw mounting
How to use
The motor circuit breaker should be installed by a qualified professional within a suitable electrical enclosure. It is mounted onto a standard DIN rail or fixed via screws. Once installed, the current setting dial must be adjusted to match the rated current of the connected motor. Wiring should be performed according to the provided terminal diagrams, ensuring all connections are tightened to the specified torque to prevent overheating.
What to consider before purchase
Verify the full-load current of your motor falls within the 4.5-6.3A range
Ensure the S0 frame size fits your existing control panel layout
Confirm compatibility with your specific voltage and frequency requirements
Check local electrical regulations for installation compliance
Usage recommendations
Regularly inspect the device for signs of wear or thermal damage and perform periodic testing of the tripping mechanism to ensure continued operational safety.

## FAQ

### How much does the Siemens 3RV2021-1GA10 Motor Circuit Breaker cost, and is it available for purchase?

The price is 74.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 16.07.2026 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 3RV2021-1GA10 Motor Circuit Breaker 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/3420808/51469281_large.webp