---
product_id: 279997437
title: "Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Replaced E-961-S50TB"
brand: "seco-larm"
price: "R3"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/279997437-seco-larm-e-964-s50tb-multi-frequency-single-photobeam-sensor
store_origin: ZA
region: South Africa
---

# 50ft sensing distance 4 selectable frequencies IP65 weatherproof Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Replaced E-961-S50TB

**Brand:** seco-larm
**Price:** R3
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate your security game with precision sensing that’s always a step ahead!

## Quick Answers

- **What is this?** Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Replaced E-961-S50TB by seco-larm
- **How much does it cost?** R3 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/279997437-seco-larm-e-964-s50tb-multi-frequency-single-photobeam-sensor)

## Best For

- seco-larm enthusiasts

## Why This Product

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

## Key Features

- • **Extended 50ft Range:** Cover more ground with a powerful sensing distance that protects your perimeter effortlessly.
- • **All-Weather Durability:** IP65-rated weatherproofing means your sensor stands strong rain or shine, indoors or out.
- • **Smart Lighting Control:** Built-in AGC filters out lighting disturbances for reliable detection day or night.
- • **Discreet & Sleek Design:** Compact size ensures a subtle installation that blends seamlessly into any environment.
- • **Interference-Free Precision:** Choose from 4 frequencies to eliminate signal clashes and keep your security flawless.

## Overview

The Seco-Larm E-964-S50TB is a cutting-edge single photobeam sensor featuring 4 selectable frequencies to minimize interference, a robust 50ft (15m) detection range, and a compact design for discreet installation. Equipped with built-in AGC for lighting disturbance filtering, LED indicators for easy alignment and status monitoring, and IP65 weatherproof rating, it ensures reliable, all-weather security performance both indoors and outdoors.

## Description

Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Small size for a less conspicuous installationSECO-LARM E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Small size for a less conspicuous installation; Simple to install; Built-in AGC control to filter out lighting disturbances; Signal strength indicator for easier alignment; LED indicators for power, signal strength, and trigger; Weatherproof for outdoor as well as indoor use (IP65); Mounting hardware included Key Features4 selectable frequencies to reduce interferenceUp to 50ft (15m) sensing distanceSmall size for a less conspicuous installationSimple to installBuilt-in AGC control to filter out lighting disturbancesSignal strength indicator for easier alignmentLED indicators for power, signal strength, and triggerWeatherproof for outdoor as well as indoor use (IP65)Mounting hardware included SpecificationsNumber of Beams: 1Current Draw: Transmitter 15mA@12VDC/Receiver 30mA@12VDCInfrared LED Wavelength: 940nmOperating Voltage: 10~24VDCInterupt Speed: 50msLED Beam Spread Angle: Approximately ±10°LEDs-Red: Indicates transmitter and receiver are not aligned or beam is broken (Alarm)LEDs-Yellow: Indicates receiver's signal is weak or beam is broken (Signal)LEDs-Green: Indicates connected to powerOutput: NO/NC relay (set by jumper, default is N.C.) 0.5A@30VAC/VDCEnclosure: IP65Operating Temperature: -13°~131°FOperating Humidity: 0~95%Dimensions: 3-11/16" x 2-3/8" x 1-13/16"Weight: 2.6-oz

## Features

- 4 selectable frequencies to reduce interference, Up to 50ft (15m) sensing distance
- Small size for a less conspicuous installation, Simple to install
- Built-in AGC control to filter out lighting disturbances, Signal strength indicator for easier alignment
- LED indicators for power, signal strength, and trigger; Weatherproof for outdoor as well as indoor use (IP65)
- Mounting hardware included, Dimensions: 3-11/16" x 2-3/8" x 1-13/16", Weight: 2.6-oz

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Seco-Larm |
| Part number | E-964-S50TB |
| Item Weight | 72.6 g |
| Product Dimensions | 6 x 4.6 x 9.4 cm; 72.57 g |
| Item model number | E-964-S50TB |
| Size | Up to 50ft (15m) |
| Color | Black |
| Power source type | Corded Electric |
| Item Package Quantity | 1 |
| Plug Profile | Wall Mount |
| Batteries Included? | No |
| Batteries Required? | No |
| tech_spec_battery_description_toys | Battery not included |

## Product Details

- **Brand:** Seco-Larm
- **Colour:** Black
- **Power source:** Corded Electric
- **Item weight:** 73 g
- **Maximum range:** 50 Feet

## Images

![Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Replaced E-961-S50TB - Image 1](https://m.media-amazon.com/images/I/51Kv7APa4mL.jpg)

## Frequently Bought Together

- Seco-Larm E-964-S50TB Multi-Frequency Single Photobeam Sensor; 4 selectable frequencies to reduce interference; Up to 50ft (15m) sensing distance; Replaced E-961-S50TB
- Seco-Larm E-931-S35RRQ Enforcer Indoor/Outdoor Wall Mounted Photoelectric Beam Sensor with 35 Foot Range

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**Shop now:** [https://www.desertcart.co.za/products/279997437-seco-larm-e-964-s50tb-multi-frequency-single-photobeam-sensor](https://www.desertcart.co.za/products/279997437-seco-larm-e-964-s50tb-multi-frequency-single-photobeam-sensor)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-20*