---
product_id: 296286933
title: "Schneider 18A 3 Pole Thermal Overload Relay-Lrd21"
brand: "schneider electric"
price: "£20.56"
currency: GBP
in_stock: true
reviews_count: 4
category: "Schneider Electric"
url: https://www.desertcart.co.uk/products/296286933-schneider-18a-3-pole-thermal-overload-relay-lrd21
store_origin: GB
region: United Kingdom
---

# 18A current rating Class 10A trip time for reliable protection Screw mounting for secure fit Schneider 18A 3 Pole Thermal Overload Relay-Lrd21

**Brand:** schneider electric
**Price:** £20.56
**Availability:** ✅ In Stock

## Summary

> ⚡ Protect your power, perfect your process.

## Quick Answers

- **What is this?** Schneider 18A 3 Pole Thermal Overload Relay-Lrd21 by schneider electric
- **How much does it cost?** £20.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/296286933-schneider-18a-3-pole-thermal-overload-relay-lrd21)

## Best For

- schneider electric enthusiasts

## Why This Product

- Trusted schneider electric brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Screw Mount Design:** Easy, secure installation that fits seamlessly into your setup.
- • **Trusted Schneider Quality:** Backed by a global leader with proven durability and reliability.
- • **Ready Stock, Fast Delivery:** Get your relay within a week and avoid costly project delays.
- • **Precision Thermal Protection:** Class 10A trip ensures your equipment stays safe without downtime.
- • **Robust 18 Amp Current Handling:** Power through your circuits with confidence and precision.

## Overview

The Schneider 18A 3 Pole Thermal Overload Relay (LRD21) offers reliable thermal protection for motors with a precise Class 10A trip rating. Designed for easy screw mounting and rated for 18 amps, this compact 0.3 kg relay ensures efficient operation and long-lasting durability, backed by Schneider Electric’s trusted manufacturing standards and quick availability.

## Description

TeSys Deca, thermal overload relay, 12 to 18 A, class 10A

Review: que me llegó cuando prometieron y funcionó desde ese mismo día - El anterior que era identico me duró muchisimos años
Review: Conforme aux descriptions - Conforme aux descriptions

## Features

- Weight (Kg): 0.3000
- Product Availability: Ex-Stock To 1 Week
- Type: Thermal Overload
- Note: Actual Product Model Might Vary From That Shown In The Picture.
- Warranty: As Per Manufacturer'S Warranty Policy.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000ONREQG |
| Best Sellers Rank | #94,401 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #37 in Overload Relays |
| Brand | Schneider Electric |
| Brand Name | Schneider Electric |
| Connector Type | Screw |
| Contact Current Rating | 18 Amps |
| Contact Material | Copper |
| Contact Type | Normally Open |
| Country of Origin | India |
| Current Rating | 18 Amps |
| Customer Reviews | 4.1 out of 5 stars 21 Reviews |
| EU Spare Part Availability Duration | 1 Weeks |
| Global Trade Identification Number | 03389110346831 |
| Importer Contact Information | DLF Building No 10, 9th Floor, Tower C, DLF Cyber City, Gurgaon - 122002 |
| Included Components | TESYS D THERMAL OVERLOAD 12-18A CL10A |
| Item Type Name | TESYS D THERMAL OVERLOAD 12-18A CL10A |
| Item Weight | 0.14 Kilograms |
| Manufacturer | Schneider Electric, Schneider Electric |
| Manufacturer Contact Information | Schneider Electric |
| Model Number | LRD21 |
| Mounting Type | Screw Mount |
| Operation Mode | Electric |
| Packer Contact Information | Schneider Electric |
| Part Number | LRD21 |
| Specification Met | IEC/EN 60947 |
| Unit Count | 1.00 Count |
| Wattage | 40 Watts |

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Copper
- **Contact Type:** Normally Open
- **Current Rating:** 18 Amps
- **Mounting Type:** Screw Mount

## Images

![Schneider 18A 3 Pole Thermal Overload Relay-Lrd21 - Image 1](https://m.media-amazon.com/images/I/71+BwuhP8NL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ que me llegó cuando prometieron y funcionó desde ese mismo día
*by J***Z on 5 August 2024*

El anterior que era identico me duró muchisimos años

### ⭐⭐⭐⭐⭐ Conforme aux descriptions
*by P***R on 23 March 2025*

Conforme aux descriptions

### ⭐⭐⭐⭐⭐ As expected
*by S***C on 10 October 2021*

It have been designed and created for motor protection, phase failure, long starting times and prolonged stalling of the motor. Works as expected, totally worth the money.

## Frequently Bought Together

- Schneider Electric, Thermal overload relay, TeSys LRD, 12...18 A, class 10A, LRD21
- Schneider Electric, TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 12 A - 24 V AC coil, LC1D12B7
- Schneider Electric, TeSys K contactor - 4P (4 NO) - AC-1 <= 440 V 20 A - 230 V AC coil, LC1K09004P7

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-05*