---
product_id: 179381844
title: "TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use"
brand: "topens"
price: "฿9057"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/179381844-topens-trf3-safety-reflection-photocell-retro-reflective-photoelectric-beam-sensor
store_origin: TH
region: Thailand
---

# Rapid Response Safety Barrier Weatherproof TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use

**Brand:** topens
**Price:** ฿9057
**Availability:** ✅ In Stock

## Summary

> 🔐 Secure Your Space with Confidence!

## Quick Answers

- **What is this?** TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use by topens
- **How much does it cost?** ฿9057 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/179381844-topens-trf3-safety-reflection-photocell-retro-reflective-photoelectric-beam-sensor)

## Best For

- topens enthusiasts

## Why This Product

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

## Key Features

- • **☔ Clever Design:** UV-resistant and waterproof for all weather conditions.
- • **🌍 Wide Compatibility:** Works with TOPENS and most third-party openers.
- • **📞 Exceptional Support:** 12-month warranty and dedicated tech support for peace of mind.
- • **🔧 Easy DIY Installation:** Connects effortlessly to your gate opener system.
- • **🚀 Reliable Reversing Sensor:** Automatically stops or reverses gates upon detecting obstruction.

## Overview

The TOPENS TRF3 Safety Reflection Photocell is a cutting-edge photoelectric beam sensor designed for automatic gate and garage door openers. With a maximum range of 33 feet and a robust weatherproof design, it ensures reliable operation in various environments. This sensor is compatible with a wide range of devices and features easy DIY installation, making it an essential addition for enhanced security and convenience.

## Description

TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use

## Features

- Reliable Reversing Sensor - TOPENS TRF3 Reflection Photocell Sensor is an outdoor photoelectric sensor with rapid response. It creates a safety barrier that detects any movement in its path. Once triggered, it effectively makes the gate stop or reverse automatically in case of obstruction. It is strongly recommended to use the TRF3 reflective sensor with automatic gate opener system to ensure multiple protection & security.
- Wide Compatibility - Works with all the TOPENS gate openers, and compatible with most third party swing / sliding gate opener or garage door opener whose control board accepts “Normal Open or Normal Close Dry Contact” signal. It can be powered by the control board of the gate opener or by the external 12-30VDC or 10-25VAC power source. This safety beam sensor is commonly used for the household, courtyard, farm, ranch, warehouse and other commercial / industrial sites.
- Easy DIY Installation - Simple wire connection makes the installation labor-saving. Just connect the retro-reflective photocell to the gate opener system. It is suggested to mount the photocell at least 8” (20cm) above the ground. Power on to determine the reflector position. Ensure that there is no obstruction between the photocell and the reflector during alignment. Fix the reflector position when the photocell status LED is green.
- Clever Design - The waterproof cover offers stable protection in bad weather conditions. The photocell beam sensor requires no maintenance for outdoor use. Made of high-quality UV-resistant and flame-retardant material, the durable housing promises a long-lasting performance.
- Customer Service and Technical Support - All the TOPENS products come with a 12-month war-ranty against defects, a 30-day exchange & return and excellent tech support. Visit TOPENS website for the user manual, installation video, and personalized service. TOPENS is ready to offer professional solutions for any questions or assistance. Enjoy an easier and smarter life by ordering other TOPENS accessories.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | TOPENS |
| Color | Black；Red；Siver |
| Power Source | DC |
| Maximum Range | 33 Feet |
| Mounting Type | Pole Mount |
| Battery Description | Battery not included |
| Temperature Range | Minus 4 to 122 Degrees Fahrenheit |
| Compatible Devices | Generic swing/sliding gate openers and garage door openers |
| Product Dimensions | 2.6"D x 2.6"W x 4.5"H |
| Manufacturer | TOPENS |
| UPC | 793513179065 |
| Part Number | TRF3 |
| Item Weight | 11.7 ounces |
| Country of Origin | China |
| Item model number | TRF3 |
| Size | Small |
| Finish | Mixed |
| Item Package Quantity | 1 |
| Special Features | Easy to Install |
| Usage | General Purpose |
| Included Components | Bag |
| Batteries Required? | No |
| Description Pile | Battery not included |
| Warranty Description | 12-month warranty |

## Product Details

- **Brand:** TOPENS
- **Color:** Black；Red；Siver
- **Power Source:** DC
- **Maximum Range:** 33 Feet
- **Mounting Type:** Pole Mount

## Images

![TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use - Image 1](https://m.media-amazon.com/images/I/51XKTcj9afL.jpg)

## Questions & Answers

**Q: What Is the Specification of the TRF3 Reflection Photocell Sensor?**
A: Detection Method: Retro-Reflective

**Q: Do I Need to Add Solar Panels if the Gate Operator System Is Only Solar Powered?**
A: If the beam sensor is powered by the gate opener system during both working and standby modes, please add 30W solar panels or more and upgrade the battery capacity (NOT incl.) to at least 17 Ah or higher to meet the power consumption.

**Q: What Is the Max. Sensing Range of TRF3 Reflection Photocell Sensor?**
A: The max. sensing range is 33ft. (10m). Sensing range may be affected in extreme weather conditions, such as blizzard, rainstorm etc.

**Q: What Is the Response Time and LED Status Indication?**
A: Response Time: 10ms (Max)

**Q: What's in the Box?**
A: 1 x Retro-Reflective Photocell (one Emitter and one Receiver)

## Frequently Bought Together

- TOPENS TRF3 Safety Reflection Photocell Retro-Reflective Photoelectric Beam Sensor for Automatic Swing Sliding Gate Openers Garage Door Openers Access Control Security Alarm Systems Outdoor Use
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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-05*