# Siemens 3RV2021-0JA10 Motor Protective Circuit Breaker, 0.7-1 A

**URL:** https://aio.lv/en/product--siemens-3rv20210ja10--3420797
**Data updated:** 2026-05-18 02:49 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 3RV20210JA10
**EAN:** 4011209902824
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 53.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 44.21 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rv20210ja10--3420797

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Siemens 3RV2021-0JA10 is a high-quality motor protective circuit breaker designed for reliable electrical motor management. Featuring an adjustable current range of 0.7 to 1 A, this device provides essential protection against overloads and short circuits. It is engineered for industrial applications, ensuring operational safety and system longevity. This compact unit is manufactured in Germany to meet rigorous performance standards for electrical distribution systems.

## Long description

The Siemens 3RV2021-0JA10 is a professional-grade motor protective circuit breaker engineered to provide precise electrical protection for motors with a current range of 0.7 to 1 A. This device serves as a critical component in industrial electrical systems, offering robust defense against both thermal overloads and short-circuit faults. Built with high-quality materials and German engineering standards, it ensures consistent performance and long-term reliability in demanding operational environments.
Advantages
This motor protective circuit breaker stands out due to its compact design, which allows for efficient use of space within control cabinets. The adjustable current setting enables precise calibration to match the specific requirements of the connected motor, thereby enhancing protection accuracy. Its durable construction is designed to withstand frequent switching operations and harsh industrial conditions, contributing to reduced maintenance needs and increased system uptime.
Suitable for
Industrial motor control centers
Protection of three-phase induction motors
Electrical distribution panels in manufacturing facilities
Automation and control systems requiring overload protection
When it may not be suitable
This device is not intended for use with motors requiring a nominal current outside the 0.7 to 1 A range. It is also not suitable for applications involving high-voltage power distribution or environments where specialized explosion-proof equipment is mandatory.
Key specifications
Adjustable current range: 0.7 to 1 A
Number of poles: 3
Mounting type: DIN rail or screw mounting
Function: Overload and short-circuit protection
Design size: S0
How to use
The circuit breaker should be installed by a qualified electrician within a suitable enclosure. After mounting the device onto a standard DIN rail, connect the power supply lines to the input terminals and the motor leads to the output terminals. Once installed, use the adjustment dial on the front of the unit to set the current to the specific value required by the motor nameplate. Ensure all connections are tightened to the manufacturer's specified torque before energizing the system.
What to consider before purchase
Verify that the motor's full-load current falls within the 0.7 to 1 A range.
Ensure the installation environment meets the required IP rating for the enclosure.
Check compatibility with existing DIN rail systems or mounting panels.
Usage recommendations
Regularly inspect the device for signs of wear or thermal damage, especially after a trip event. Ensure that the current setting is re-verified whenever the connected motor is replaced or serviced.

## Specifications

| Feature | Value |
|---|---|
| Input current | 0.7 - 1 |
| Circuit breaker type | Motor protective circuit breaker |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.349 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 102 mm |
| Package height | 102 mm |
| Package width | 49 mm |
| Quantity per pack | 1 pc(s) |

### Logistics data

| Feature | Value |
|---|---|
| Country of origin | Germany |

## FAQ

### How much does the Siemens 3RV2021-0JA10 Motor Protective Circuit Breaker cost, and is it available for purchase?

The price is 53.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 14.07.2026 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, 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.

### Where can I download the instructions for Siemens 3RV2021-0JA10 Motor Protective Circuit Breaker?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/3420797/58378246_large.webp