---
product_id: 389212663
title: "LRD TeSys 12-18A Deca Differential Thermal Overload Relay"
brand: "schneider electric"
price: "$1671"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/389212663-lrd-tesys-12-18a-deca-differential-thermal-overload-relay
store_origin: MX
region: Mexico
---

# 690V high-voltage capacity Class 10A fast response time Adjustable relay setting dial LRD TeSys 12-18A Deca Differential Thermal Overload Relay

**Brand:** schneider electric
**Price:** $1671
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead with smart, swift motor protection!

## Quick Answers

- **What is this?** LRD TeSys 12-18A Deca Differential Thermal Overload Relay by schneider electric
- **How much does it cost?** $1671 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/389212663-lrd-tesys-12-18a-deca-differential-thermal-overload-relay)

## 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

- • **Dual Reset Modes:** Manual and automatic reset options for flexible control and convenience.
- • **Certified Reliability:** CE-certified quality from Schneider Electric, trusted by professionals worldwide.
- • **Compact & Lightweight:** Slim 7.8 x 8.8 x 5 cm design at just 137g fits seamlessly into any DIN rail setup.
- • **Rapid Response Class 10A:** Fast-acting relay minimizes downtime and protects your equipment efficiently.
- • **Precision Thermal Protection:** Customizable dial ensures exact overload settings for optimal motor safety.

## Overview

The Schneider Electric TeSys LRD21 Thermal Overload Relay offers adjustable overload protection for motors up to 18A with a fast class 10A response. Featuring manual and automatic reset options, a compact DIN rail mount design, and CE certification, it ensures reliable, precise motor safeguarding in professional industrial environments.

## Description

Schneider Electric LRD TeSys 12-18A Deca Differential Thermal Overload Relay

## Features

- Adjustable relay setting dial
- Test button and Stop button
- Manual/auto reset

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Schneider Electric |
| Part number | LRD21 |
| Item Weight | 137 g |
| Product Dimensions | 7.8 x 8.8 x 5 cm; 137 g |
| Batteries | Unknown batteries required. |
| Item model number | LRD21 |
| Color | Black |
| Voltage | 690 Volts |
| Wattage | 40 watts |
| Item Package Quantity | 1 |
| Number Of Pieces | 10 |
| Measurement System | Wire Size |
| Plug Profile | DIN Rail Mount |
| Specification met | CE |
| Included components | LRD21 Breaker Tesys Thermal Overload Relay |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** Through Hole
- **Contact material:** Silver
- **Contact type:** Normally Open
- **Current rating:** 10 Amps
- **Mounting type:** DIN Rail Mount

## Images

![LRD TeSys 12-18A Deca Differential Thermal Overload Relay - Image 1](https://m.media-amazon.com/images/I/71+BwuhP8NL.jpg)

## 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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**Shop now:** [https://www.desertcart.mx/products/389212663-lrd-tesys-12-18a-deca-differential-thermal-overload-relay](https://www.desertcart.mx/products/389212663-lrd-tesys-12-18a-deca-differential-thermal-overload-relay)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-27*