---
product_id: 83318749
title: "Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months)"
brand: "blackt electrotech"
price: "R$251"
currency: BRL
in_stock: true
reviews_count: 8
category: "Blackt Electrotech"
url: https://www.desertcart.com.br/products/83318749-blackt-electrotech-bt41d-16-240v-ac-programmable-daily-weekly-digital
store_origin: BR
region: Brazil
---

# 16 programmable on/off settings 16A/240V AC power rating Replaceable CR3032 battery Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months)

**Brand:** blackt electrotech
**Price:** R$251
**Availability:** ✅ In Stock

## Summary

> ⏳ Automate smarter, not harder — never miss a beat with Blackt Electrotech!

## Quick Answers

- **What is this?** Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) by blackt electrotech
- **How much does it cost?** R$251 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/83318749-blackt-electrotech-bt41d-16-240v-ac-programmable-daily-weekly-digital)

## Best For

- blackt electrotech enthusiasts

## Why This Product

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

## Key Features

- • **Reliable & Worry-Free:** Backed by a 12-month warranty and industrial-grade components for long-term peace of mind.
- • **Robust Power Handling:** Supports heavy-duty 16A, 240V AC loads for versatile industrial and home use.
- • **Compact DIN Rail Design:** Sleek 86x36x65mm form factor fits seamlessly into any control panel.
- • **Precision Timing Control:** Set up to 16 daily or weekly on/off cycles for ultimate automation.
- • **User-Friendly LCD Interface:** Clear digital display with easy programming reduces setup time and errors.

## Overview

The Blackt Electrotech BT41D is a programmable digital timer relay switch designed for precise daily and weekly control of electrical devices. Featuring 16 on/off operations, a robust 16A/240V AC rating, and a compact DIN rail mount design, it offers professional-grade reliability with an easy-to-use LCD interface and replaceable battery. Ideal for automating lighting, motors, and other equipment, it comes with a 12-month warranty ensuring dependable performance for smart home and industrial applications.

## Description

Product Description About Blackt Electrotech In introducing a BlackT Electrotech which is based on planning and dedication of skilled persons as concern with applications of Embedded System through modern conceptual products like Remote Switching System, Motion Sensor, Timer, etc. Our mission is to reach Blackt’s product to wide range of customers. We work for you and you’re our boss. And Technology is a Features we will show you the Benefits. We shall continue it for many blessing up coming years. We are provide technical service & Smart home automation systems after selling product/service. The quality of the range is periodically checked by team of quality inspectors. our entire range of products is packed in quality approved packaging material such as corrugated and boxes that keep it completely safe from internal and external hazard. Digital Switch Timer Digital LCD Display Programmable Control Counter/Time Timer Relay Switch: DIN Rail Type: This timer switch could automatic turn on/off all kinds of electric equipment according to the time user set. It has a built-in rechargeable battery and an industrial grade chip with high precision and strong anti-interference ability, the timer switch is great for controlling street lamps, neon lamps, production equipment, radio and television and many other home appliances. Instruction For Use When you use the timer switch for the first time, input AC and charge the inbuilt battery please, then press reset button. The timer switch is at 24-hour mode as default. Press and hold time button (bottom left, next to reset) for 5 seconds till it display AM to set to 12-hour mode. Press and hold again time button for 5 seconds to set back to 24-hour mode. 3. Full time clock setting (see more at User manual).

Review: Install and forget - Good product
Review: Functions alike - The timer is working perfect, but I have noticed the program is similar to the one I am using for the last two years,may be the programme brought from third party.

## Features

- ⚡ [Versatile Applications]: Automatically control electric equipment like street lamps, motors, heaters, neon lights, radios, and more with customizable on/off settings.
- 🛠️ [Programmable Daily/Weekly Timer]: Features 16 on/off operations for daily or weekly schedules, offering precise control for various appliances.
- 🔋 [High-Quality Components]: Built with a battery CR3032 easly replaceble and an industrial-grade chip for high precision and strong anti-interference performance.
- 🔌 [Contact Voltage Rating]: Supports 16A, 240V AC (50/60Hz), making it compatible with a wide range of applications.
- 📏 [Compact Design]: Sized at 86 x 36 x 65mm, it fits easily into tight spaces and can be mounted on a DIN rail for convenient installation.
- 📖 [User-Friendly Setup]: Includes a detailed user manual for easy installation and programming, making it suitable for professionals and technical users.
- 🛡️ [12-Month Warranty]: Backed by a 12-month warranty, ensuring reliability and peace of mind for your purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07HQLZYB5 |
| Best Sellers Rank | #1,061 in Home Improvement ( See Top 100 in Home Improvement ) #2 in Wall Timer Switches |
| Brand | Blackt Electrotech |
| Colour | White |
| Country of Origin | India |
| Customer Reviews | 4.0 out of 5 stars 1,626 Reviews |
| Enclosure Material | Plastic |
| Included Components | false |
| Item Dimensions D x W x H | 8.5D x 6.5W x 3.6H Centimeters |
| Item Weight | 219 Grams |
| Manufacturer | Blackt Electrotech |
| Manufacturer Part Number | BT-1040 |
| Material | Plastic |
| Model number | BT-1040 |
| Number of settings | 16 |
| Product Dimensions | 8.5D x 6.5W x 3.6H Centimeters |
| UPC | 710918665221 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White
- **Item Weight:** 219 Grams
- **Material:** Plastic
- **Product Dimensions:** 8.5D x 6.5W x 3.6H Centimeters

## Images

![Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) - Image 1](https://m.media-amazon.com/images/I/412mwd8JMlL.jpg)
![Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) - Image 2](https://m.media-amazon.com/images/I/61Bx83kOouL.jpg)
![Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) - Image 3](https://m.media-amazon.com/images/I/81T-tZ4hOYL.jpg)
![Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) - Image 4](https://m.media-amazon.com/images/I/71jRGV6hw+L.jpg)
![Blackt Electrotech (BT41D): 16/240V AC Programmable Daily/Weekly Digital LCD Display Control Counter/Time Timer Relay Switch: DIN Rail Type (Warranty 12 Months) - Image 5](https://m.media-amazon.com/images/I/815AoQkoABL.jpg)

## Questions & Answers

**Q: It is sutiable for AC**
A: Yes it is working with 1 ton ac maximum load capacity 16amp 230vac

**Q: How to fitting in home**
A: Very simple.  Go according to the instructions given in the manual.

**Q: Which battery to be used to replace after it dear?**
A: 4 mA  Ni-MH

**Q: Can we use it with desert cooler**
A: sure

## Customer Reviews

### ⭐⭐⭐⭐⭐ Install and forget
*by G***� on 24 February 2026*

Good product

### ⭐⭐⭐⭐ Functions alike
*by T***U on 17 January 2025*

The timer is working perfect, but I have noticed the program is similar to the one I am using for the last two years,may be the programme brought from third party.

### ⭐⭐⭐⭐⭐ Excellent Product
*by D***T on 8 October 2023*

I bought this product two numbers in 1st Feb 2020 and installed then in my two baloneys for switching on & off my grow light for my bonsais. Since then it has been doing the function regularly without any problem. However, a few days back one timer developed a problem that the clock was running very slow. I took up with the supplier and the response was immediate in few minutes came the reply both on amazon and email. Then as battery was the probable cause I opened and told the supplier that it is fixed one and wanted to know where I can buy. They offered for sending it by currier only for the currier charges and a small amount for four battery. All these happened in about 5 days I got the battery installed and it is back in operation. My salute to the customer care they have and appreciate the response. Wish them all the best and wish they keep up the same trend.

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**Shop now:** [https://www.desertcart.com.br/products/83318749-blackt-electrotech-bt41d-16-240v-ac-programmable-daily-weekly-digital](https://www.desertcart.com.br/products/83318749-blackt-electrotech-bt41d-16-240v-ac-programmable-daily-weekly-digital)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-03-10*