---
product_id: 201408678
title: "Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector"
brand: "keyren"
price: "B/.66"
currency: PAB
in_stock: true
category: "Industrial"
url: https://www.desertcart.com.pa/products/201408678-keyren-undervoltage-relay-230v-40a-automatic-recovery-overvoltage-and-undervoltage
store_origin: PA
region: Panama
---

# Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector

**Brand:** keyren
**Price:** B/.66
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector by keyren
- **How much does it cost?** B/.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/201408678-keyren-undervoltage-relay-230v-40a-automatic-recovery-overvoltage-and-undervoltage)

## Best For

- keyren enthusiasts

## Why This Product

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

## Description

Features: The automatic recovery overvoltage and undervoltage protection devices meet modular design standards. The product board uses high-quality electronic components for reliable performance. When the power supply is unstable, its protection function will be activated automatically. Once the voltage exceeds a limited range of products, it will automatically cut off to protect the safety of electrical equipment and personnel.  When the power returns to normal, the device will re-power it within 1 minute. The green indicator light indicates that the power supply is working properly. The red indicator light indicates overvoltage or undervoltage.  Specification: Function: Overvoltage&Undervoltage Protection Rated Alternative Voltage: 230V 50Hz Transmit Maximum Current: 40A Maximum Wattage: 8.8KVA Overvoltage Action Cut-Off Value:> 270VAC +/- 5V Normal Voltage:175-270VAC Undervoltage Action Cut-Off Value:<170VAC +/- 5V Overvoltage&Undervoltage Cut-Off:<1S Power Transmission Delays After Blackouts:<60s Power Consumption :<2W Motor Service Life:100000 Times Size:77 x 35 x 45mm / 3.03 x 1.38 x 1.77in  Installation: 35mm DIN Rail  Package List: 1 x Protector  Note: When connecting the product for the first time, you must wait for about 1 minute. Only when the red light goes out, can the product work normally.

## Features

- The automatic recovery overvoltage and undervoltage protection devices meet modular design standards.
- The product board uses high-quality electronic components for reliable performance.
- When the power supply is unstable, its protection function will be activated automatically. Once the voltage exceeds a limited range of products, it will automatically cut off to protect the safety of electrical equipment and personnel.
- When the power returns to normal, the device will re-power it within 1 minute.
- The green indicator light indicates that the power supply is working properly. The red indicator light indicates overvoltage or undervoltage.

## Images

![Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector - Image 1](https://images-na.ssl-images-amazon.com/images/I/51ko6%2B9seyL.jpg)
![Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector - Image 2](https://images-na.ssl-images-amazon.com/images/I/51IzmshCl-L.jpg)
![Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector - Image 3](https://images-na.ssl-images-amazon.com/images/I/51h01r3nazL.jpg)
![Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector - Image 4](https://images-na.ssl-images-amazon.com/images/I/41hpVupI6qL.jpg)
![Keyren Undervoltage Relay, 230V 40A Automatic Recovery Overvoltage&Undervoltage Protection Device DIN Rail Mount Protector - Image 5](https://images-na.ssl-images-amazon.com/images/I/51Sb7jNN3JL.jpg)

---

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**Shop now:** [https://www.desertcart.com.pa/products/201408678-keyren-undervoltage-relay-230v-40a-automatic-recovery-overvoltage-and-undervoltage](https://www.desertcart.com.pa/products/201408678-keyren-undervoltage-relay-230v-40a-automatic-recovery-overvoltage-and-undervoltage)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-02-18*