# Schneider Electric LRD3355 Thermal Overload Relay 30-40A

**URL:** https://aio.lv/en/product--schneider-electric-lrd3355--12453232
**Data updated:** 2026-05-18 02:52 (EEST)
**Category:** Control Systems
**Manufacturer:** Schneider Electric
**Manufacturer code:** LRD3355
**EAN:** 3389110519938
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 181.49 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 149.99 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-lrd3355--12453232

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric LRD3355 is a high-quality thermal overload relay designed for reliable motor protection. With an adjustable current range of 30-40A and a rated insulation voltage of 690V, this device effectively prevents motor damage due to overloads or phase failures. It is an essential component for industrial control panels and motor starter applications, ensuring operational safety and longevity in demanding electrical systems.

## Long description

The Schneider Electric LRD3355 is a professional-grade thermal overload relay engineered to provide robust protection for electric motors. This device is specifically designed to monitor current levels and disconnect the circuit in the event of an overload or phase failure, thereby preventing costly motor damage and ensuring the continuity of industrial processes. With its precise adjustable current range of 30-40A and a rated insulation voltage of 690V, it serves as a reliable safeguard for demanding electrical systems.
Advantages
The primary benefit of this thermal overload relay is its high level of reliability in protecting motor windings from thermal stress caused by excessive current draw. Its compact design allows for efficient space utilization within control panels, while the adjustable settings provide the flexibility needed to match the specific requirements of various motor applications. By integrating this component into your motor starter assembly, you significantly enhance the operational safety and service life of your equipment, reducing the risk of unexpected downtime and maintenance costs.
Suitable for
Industrial motor control panels
Motor starter applications
Protection of three-phase induction motors
Systems requiring precise thermal overload monitoring
When it may not be suitable
This relay is not intended for use in circuits where the motor current falls outside the 30-40A range, as it will not provide the necessary protection. It is also not suitable for applications requiring electronic protection features or advanced communication capabilities, as this is a traditional thermal-mechanical device.
Key specifications
Adjustable current range: 30-40A
Rated insulation voltage: 690V
Weight: 510g
Color: Multicolour
How to use
Installation should be performed by a qualified electrician in accordance with local electrical standards. The relay is typically mounted directly onto a compatible contactor. Once installed, the current setting dial should be adjusted to match the full-load current rating of the motor being protected. After the initial setup, the device operates automatically, monitoring the current flow and tripping the control circuit if an overload condition is detected. The reset mechanism can be configured for manual or automatic operation depending on the specific safety requirements of the installation.
What to consider before purchase
Verify that the motor full-load current falls within the 30-40A range.
Ensure compatibility with your existing contactor model.
Check the available space in your control cabinet for mounting.
Confirm that the application environment meets the technical specifications for insulation voltage.
Usage recommendations
Regularly inspect the relay for signs of wear or damage and perform periodic testing of the trip function to ensure the protection mechanism remains fully operational throughout the lifespan of the motor.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.51 kg |
| Operating temperature (T-T) | -20 - 60 |
| Product colour | Multicolour |
| Remotely operated | No |
| Number of modules | 1 |
| Coil voltage | 690 V |

## FAQ

### How much does the Schneider Electric LRD3355 Thermal Overload Relay cost, and is it available for purchase?

The price is 181.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 09.07.2026 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 Schneider Electric LRD3355 Thermal Overload Relay 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 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 LRD3355 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

https://aio.lv/img/cache/product/12453232/68776634_large.webp