# Siemens 3RV2021-4EA10 Motor Circuit Breaker 3-Pole 27-32A Size S0

**URL:** https://aio.lv/en/product--siemens-3rv2021-4ea10--1796309
**Data updated:** 2026-06-05 11:41 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3RV2021-4EA10
**EAN:** 4011209716254
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 224.99 €
**Prices and availability valid until:** 2026-08-17 23:59
**Price without VAT (21%):** 185.94 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv2021-4ea10--1796309

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Courier delivery to door | 06.08.2026 | 53.99 EUR |

## Summary description

The Siemens 3RV2021-4EA10 is a high-quality 3-pole motor circuit breaker designed for reliable protection of electrical motors. Featuring a current setting range of 27-32A and a compact S0 frame size, this device ensures effective short-circuit and overload protection in industrial applications. It is engineered for durability and precise performance in demanding electrical control systems.

## Long description

The Siemens 3RV2021-4EA10 is a robust 3-pole motor circuit breaker engineered to provide reliable protection for electrical motors in industrial environments. Designed with a compact S0 frame size, this device offers a precise current setting range of 27-32A, ensuring that motors are safeguarded against both short-circuits and thermal overloads. Its high-quality construction ensures long-term durability and consistent performance within demanding electrical control systems.
Advantages
This motor circuit breaker stands out due to its compact design, which allows for efficient space utilization within control cabinets. It provides comprehensive protection by combining short-circuit and overload monitoring in a single, integrated unit. The device is built to withstand rigorous industrial conditions, offering high operational reliability and ease of integration into existing electrical infrastructures. Its precise calibration ensures that motor protection is maintained within the specified current range, reducing the risk of downtime and equipment damage.
Suitable for
Industrial motor control centers
Protection of three-phase induction motors
Electrical distribution panels
Automation and control systems
This device may not be suitable for applications requiring current ranges outside of the 27-32A specification. It is also not intended for use in environments that exceed the specified environmental protection ratings or for non-motor electrical loads that require different tripping characteristics.
Key specifications
Number of poles: 3
Current setting range: 27-32A
Frame size: S0
Function: Short-circuit and overload protection
To use the Siemens motor circuit breaker, it must be installed by a qualified professional within a suitable electrical enclosure. The device is typically mounted on a standard DIN rail. Once installed, the current setting dial should be adjusted to the rated current of the motor being protected. Regular inspections should be conducted to ensure that the terminals remain tight and that the device is free from dust or debris that could affect its operation.
What to consider before purchase
Verify that the motor's rated current falls within the 27-32A range
Ensure the S0 frame size fits your existing control panel layout
Confirm compatibility with your specific three-phase power supply
Usage recommendations
Always ensure the power supply is disconnected before performing any installation or maintenance work on the circuit breaker. Follow local electrical codes and manufacturer guidelines for wiring and torque settings to ensure safe and reliable operation.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.376 kg |

### Design

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

## FAQ

### How much does the Siemens 3RV2021-4EA10 Motor Circuit Breaker cost, and is it available for purchase?

The price is 224.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 03.08.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Siemens 3RV2021-4EA10 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

### 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/1796309/58085589_large.webp