---
product_id: 446553578
title: "System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector"
brand: "system sensor"
price: "€ 4.26"
currency: EUR
in_stock: false
url: https://www.desertcart.be/products/446553578-system-sensor-2w-b-i3-series-2-wire-photoelectric-i3
store_origin: BE
region: Belgium
---

# Wide-angle dual-color LED indicator Plug-in detector line & mounting base Stop-Drop ’N Lock base attachment System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector

**Brand:** system sensor
**Price:** € 4.26
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Stay ahead of danger with smart, sleek smoke detection! 🔥

## Quick Answers

- **What is this?** System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector by system sensor
- **How much does it cost?** € 4.26 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/446553578-system-sensor-2w-b-i3-series-2-wire-photoelectric-i3)

## Best For

- system sensor enthusiasts

## Why This Product

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

## Key Features

- • **Smart Smoke Sensing:** Photoelectric sensor with drift compensation ensures reliable, intelligent detection every time.
- • **Robust Compatibility:** Fits multiple back boxes and direct mounts, with in-line terminals and SEMS screws for secure wiring.
- • **Seamless Maintenance:** Removable cover and chamber plus built-in remote signaling simplify inspections and upkeep.
- • **Effortless Installation:** Stop-Drop ’N Lock base and plug-in design make setup a breeze—no fuss, no delays.
- • **Instant Visual Feedback:** Wide-angle, dual-color LEDs provide clear status updates at a glance—stay informed, stay safe.

## Overview

The System Sensor 2W-B i3 Series is a cutting-edge 2-wire photoelectric smoke detector designed for professional-grade fire safety. Featuring plug-in installation, Stop-Drop ’N Lock mounting, wide-angle dual-color LED indicators, and advanced drift compensation algorithms, it delivers intelligent, reliable smoke detection with simplified maintenance and versatile mounting options.

## Description

System Sensor i3 series smoke detectors represent significant advancement in conventional smoke detection. The i3 family is founded on three principles: installation ease, intelligence, and instant inspection. Plug-in detector line, mounting base included Large wire entry port In-line terminals with SEMS screws Mounts to octagonal and single-gang back boxes, 4-square back boxes, or direct to wall or ceiling Stop-Drop ’N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance signaling Drift compensation and smoothing algorithms Simplified sensitivity measurement Wide-angle, dual-color LED indication Loop testing via EZ Walk feature Built-in test switch These detectors require a fire alarm system.

## Features

- System Sensor i3TM series smoke detectors represent significant advancement in conventional detection. The i3 family is founded on three principles: installation ease, intelligence, and instant inspection.
- Stop-Drop 'N Lock attachment to base Removable detector cover and chamber
- Plug-in detector line, mounting base included Large wire entry port
- Wide-angle, dual-color LED indication Loop testing via EZ Walk feature
- In-line terminals with SEMS screws

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0015Q7RFE |
| Alarm | Visual |
| Best Sellers Rank | #290,614 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #816 in Digital Calipers |
| Brand | System Sensor |
| Item Dimensions D x W x H | 5.1D x 13.5W x 13.5H Centimeters |
| Item Weight | 227 g |
| Manufacturer | System Sensor |
| Mfr Part Number | 2W-B |
| Model Number | 2W-B |
| Number of Items | 1 |
| Operating Humidity | 95 percent |
| Power Source | Corded Electric |
| Product Dimensions | 5.1D x 13.5W x 13.5H Centimeters |
| Product Style | Compact |
| Sensor Type | Photoelectric |
| Style | Compact |
| UPC | 783863017599 |
| Unit Count | 1.0 Count |

## Product Details

- **Alarm:** Visual
- **Brand:** System Sensor
- **Item Weight:** 227 g
- **Manufacturer:** System Sensor
- **Number of Items:** 1
- **Operating Humidity:** 95 percent
- **Power Source:** Corded Electric
- **Product Dimensions:** 5.1D x 13.5W x 13.5H Centimeters
- **Sensor Type:** Photoelectric
- **Style:** Compact

## Images

![System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector - Image 1](https://m.media-amazon.com/images/I/51iwYGDkFfL.jpg)
![System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector - Image 2](https://m.media-amazon.com/images/I/71SBDzhkvWL.jpg)

## Questions & Answers

**Q: Can this unit be mounted on a side wall?  The existing unit in on the side wall so would not be pretty without a sensor covering it.**
A: Yes.  It can be mounted on a wall.  Mount it up high though because smoke rises.

**Q: does this unit fit without any drilling/modifications**
A: 2 mounting screws and a small hole for the wire are needed. The mounting screw holes may align with holes from prior detectors

**Q: Can this model replace a honeywell 5192sd (two wire) addressable detector?  in my current system the smoke detectors connected to a vista 128b panel**
A: No you need a 5193sd.

**Q: I am blocked from shipping this item to a california (although previously i had no problem). why is this unit blocked from shipping to california?**
A: Not sure what store you are trying to buy from but we do ship these to California. Visit Fire and Safety Plus on amazon and you can place your order from there. Email us if you have any problems or questions.

## Frequently Bought Together

- System Sensor 2W-B i3 Series 2-wire, Photoelectric i3 Smoke Detector
- System Sensor 5601P single-circuit, 135¦ f fixed-temp/rate-of-rise no
- System Sensor 2WT-B Photoelectric Smoke Detector with 135 Degree Thermal

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-10-25*