# Schneider Electric LRD03 Thermal Overload Relay 0.25-0.4A

**URL:** https://aio.lv/en/product--schneider-electric-lrd03--12453237
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Control Systems
**Manufacturer:** Schneider Electric
**Manufacturer code:** LRD03
**EAN:** 3389110346732
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Schneider Electric LRD03 is a thermal overload relay designed for motor protection with an adjustable current range of 0.25 to 0.4A. Rated for a coil voltage of 690V, this reliable component ensures safety by preventing motor damage due to overloads or phase failures. It is an essential industrial automation device for controlling and protecting electrical circuits in various machinery and control systems.

## Long description

The Schneider Electric LRD03 is a precision-engineered thermal overload relay specifically designed to provide robust protection for electric motors. With an adjustable current setting range of 0.25 to 0.4A, this device serves as a critical safety component in industrial automation, effectively monitoring current flow to prevent damage caused by thermal overloads or phase failures. Its compact design and reliable performance make it an ideal choice for integrating into complex electrical control systems where motor longevity and operational safety are paramount.
Advantages
This thermal overload relay offers exceptional reliability in protecting sensitive motor equipment from overheating and electrical faults. By allowing for precise current adjustment within the specified range, it ensures that the protection threshold is perfectly matched to the motor's requirements, thereby minimizing the risk of nuisance tripping while maintaining high safety standards. Its durable construction and compatibility with standard industrial control systems facilitate seamless installation and long-term operational stability in demanding environments.
Suitable for
Industrial motor control circuits
Protection of small electric motors
Automation systems in manufacturing
Electrical distribution panels
This device may not be suitable for applications requiring current ranges outside of the 0.25 to 0.4A threshold. It is also not intended for use in high-voltage power distribution systems exceeding its rated insulation voltage or for applications where electronic soft-start or variable frequency drive protection is already integrated and sufficient.
Key specifications
Adjustable current range: 0.25 to 0.4A
Rated insulation voltage: 690V
Weight: 124g
Color: Multicolour
To use the Schneider Electric LRD03, mount the relay directly onto the compatible contactor using the integrated connection terminals. Once installed, adjust the dial on the front of the unit to the specific full-load current rating of the motor being protected. Ensure that all wiring connections are tightened to the manufacturer's torque specifications to prevent loose contacts and potential overheating. The device will automatically trip the control circuit if the current exceeds the set threshold, protecting the motor from thermal damage.
What to consider before purchase
Verify that the motor's full-load current falls within the 0.25 to 0.4A range
Ensure compatibility with your existing contactor model
Check the environmental conditions of the installation site
Usage recommendations: Regularly inspect the relay for any signs of wear or loose connections. After a trip event, investigate the cause of the overload before manually resetting the device to ensure safe continued operation.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.124 kg |
| Operating temperature (T-T) | -20 - 60 |
| Product colour | Multicolour |
| Remotely operated | No |
| Number of modules | 1 |
| Coil voltage | 690 V |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Schneider Electric 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 Schneider Electric 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

### Where can I download the instructions for Schneider Electric LRD03 Thermal Overload Relay?

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

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