# Siemens 3RV2021-1HA10 Motor Protection Circuit Breaker, Size S0, 5.5-8 A, Class 10

**URL:** https://aio.lv/en/product--siemens-3rv20211ha10--3420798
**Data updated:** 2026-07-21 04:04 (EEST)
**Category:** Other goods
**Manufacturer:** Siemens
**Manufacturer code:** 3RV20211HA10
**EAN:** 4011209902893
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.49 €
**Prices and availability valid until:** 2026-08-26 23:59
**Price without VAT (21%):** 45.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv20211ha10--3420798

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 11.08.2026 | free |
| Pickup points | 14.08.2026 | 1.79 EUR |
| Courier delivery to door | 14.08.2026 | 4.99 EUR |

## Summary description

The Siemens 3RV2021-1HA10 is a high-quality motor protection circuit breaker designed for reliable electrical system safety. Featuring size S0 and a thermal overload release range of 5.5 to 8 A, this Class 10 device provides efficient protection against overloads and short circuits. It is an essential component for industrial motor control applications, ensuring operational stability and equipment longevity in demanding electrical environments.

## Long description

The Siemens 3RV2021-1HA10 is a professional-grade motor protection circuit breaker engineered to provide robust safety for industrial electrical systems. Built in the compact S0 size, this device is specifically designed to safeguard motors against thermal overloads and short circuits. With a thermal release range of 5.5 to 8 A and Class 10 tripping characteristics, it ensures precise monitoring and rapid disconnection during fault conditions, maintaining the integrity of your motor control circuits.
Advantages
This circuit breaker offers exceptional reliability and durability in demanding industrial environments. Its design facilitates efficient heat dissipation and consistent performance under varying load conditions. The integration of high-quality components ensures a long service life and minimizes maintenance requirements. Furthermore, the compact S0 form factor allows for space-saving installation in control cabinets, making it an ideal choice for modern electrical infrastructure where panel space is at a premium.
Suitable for
Industrial motor control centers
Conveyor systems and automation machinery
Pump and fan control applications
HVAC system motor protection
This device may not be suitable for applications requiring current settings outside the 5.5 to 8 A range. It is also not intended for use in environments exceeding the specified environmental protection ratings or for applications requiring specialized hazardous area certifications not covered by this model.
Key specifications
Size: S0
Current setting range: 5.5 to 8 A
Tripping class: Class 10
Protection type: Thermal overload and short-circuit protection
Installation should be performed by qualified personnel in accordance with local electrical codes. The device is typically mounted on a standard DIN rail within a control cabinet. Ensure that the motor current is within the specified range of 5.5 to 8 A before setting the dial. Once mounted, connect the power supply and motor leads to the designated terminals, ensuring all connections are tightened to the manufacturer's torque specifications.
What to consider before purchase
Verify that the motor's full-load current falls within the 5.5 to 8 A range.
Ensure the S0 size fits your existing control panel layout.
Confirm that the Class 10 tripping characteristic meets your specific application requirements.
For optimal performance and safety, regularly inspect the terminal connections for tightness and ensure the device is free from dust and debris accumulation. Always test the tripping mechanism periodically as part of your preventative maintenance schedule.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.356 kg |
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 3RV2021-1HA10 Motor Protection Circuit Breaker cost, and is it available for purchase?

The price is 55.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 11.08.2026 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

https://aio.lv/img/cache/product/3420798/58378247_large.webp