---
product_id: 900732
title: "RC-20U 3 Channel Receiver Chimebox w/ Relay"
brand: "optex"
price: "€ 290.50"
currency: EUR
in_stock: true
url: https://www.desertcart.be/products/900732-rc-20u-3-channel-receiver-chimebox-w-relay
store_origin: BE
region: Belgium
---

# 3 distinct chime tones 9V DC power adapter included Form C relay for device activation RC-20U 3 Channel Receiver Chimebox w/ Relay

**Brand:** optex
**Price:** € 290.50
**Availability:** ✅ In Stock

## Summary

> 🔔 Stay ahead with smart alerts that speak your security language!

## Quick Answers

- **What is this?** RC-20U 3 Channel Receiver Chimebox w/ Relay by optex
- **How much does it cost?** € 290.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/900732-rc-20u-3-channel-receiver-chimebox-w-relay)

## Best For

- optex enthusiasts

## Why This Product

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

## Key Features

- • **Smart Automation:** Form C relay supports activating other devices up to 50V AC/24V DC for seamless integration.
- • **Plug & Play Power:** Includes 9V DC adapter for hassle-free setup and continuous operation.
- • **Versatile Mounting:** Wall or table mount options to fit your workspace or home aesthetic.
- • **Customizable Alerts:** Assign 9 transmitters into 3 groups with unique chimes for instant identification.
- • **Reliable Security Boost:** Enhance your Optex Wireless 1000/2000 system with instant perimeter breach notifications.

## Overview

The Optex RC-20U is a 3-channel wireless chime receiver designed to work with Optex Wireless 1000 and 2000 systems. It supports up to 9 transmitters grouped into 3 with distinct chime tones, powered by an included 9V DC adapter, and features a Form C relay for activating external devices, making it a versatile and reliable security alert solution.

## Description

Install the Optex RC-20U Wireless Chime to enhance your Optex Wireless 2000 and 1000 systems. This wireless chime alerts you of a perimeter breach with three different chime tones. You can even program certain groups of transmitters to respond to differen

## Features

- Accepts 9 transmitters and identifies each group of 3 with a different chime tone
- Operates with 9VDC adapter (included)
- Wall-mount or table-mount design
- Form C relay for activating other devices (50V AC 1A max. or 24V DC 1A max.)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003XKVOV8 |
| Best Sellers Rank | #535,932 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #398 in Door Bells Chimes #7,915 in Security & Surveillance Equipment |
| Customer Reviews | 4.7 4.7 out of 5 stars (80) |
| Date First Available | July 27, 2010 |
| Item Weight | 12 ounces |
| Item model number | RC-20U |
| Manufacturer | Optex |
| Package Dimensions | 8.3 x 4.3 x 2.5 inches |

## Images

![RC-20U 3 Channel Receiver Chimebox w/ Relay - Image 1](https://m.media-amazon.com/images/I/71TJyyyL7hL.jpg)

## Frequently Bought Together

- Optex RC-20U 3 Channel Receiver Chimebox w/ Relay
- Optex TD-20U Indoor/Outdoor Wireless Infrared Transmitter

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---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-19*