---
product_id: 294392118
title: "(BT41BL) : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay"
brand: "blackt electrotech"
price: "202 kr"
currency: DKK
in_stock: true
reviews_count: 8
category: "Blackt Electrotech"
url: https://www.desertcart.dk/products/294392118-bt41bl-220v-din-rail-mount-digital-timer-40-group-time
store_origin: DK
region: Denmark
---

# 1.6-inch large clear display 10,000+ electrical life cycles 40 programmable time groups (BT41BL) : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay

**Brand:** blackt electrotech
**Price:** 202 kr
**Availability:** ✅ In Stock

## Summary

> ⏳ Never miss a beat with Blackt Electrotech’s ultimate timer precision!

## Quick Answers

- **What is this?** (BT41BL) : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay by blackt electrotech
- **How much does it cost?** 202 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/294392118-bt41bl-220v-din-rail-mount-digital-timer-40-group-time)

## 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

- • **Built to Last:** Engineered for over 10,000 electrical cycles ensuring unmatched durability.
- • **Seamless Integration:** Din rail mount design fits effortlessly into your existing industrial setup.
- • **Crystal Clear Display:** 1.6-inch large screen for effortless reading and quick adjustments.
- • **Versatile Power Control:** Perfect for schools, factories, street lights, and advertising signs needing reliable on/off automation.
- • **Precision Timing Mastery:** Control up to 40 distinct time groups with ease for flawless scheduling.

## Overview

The Blackt Electrotech BT41BL is a robust 220V digital timer featuring 40 programmable time groups and a large 1.6-inch display. Designed for industrial and institutional use, it guarantees over 10,000 electrical life cycles and supports precise, repeatable control of devices like school bells, street lights, and production equipment. Its din rail mount design ensures easy installation and seamless integration into professional environments.

## Description

Blackt Electrotech (BT41BL) : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay : desertcart.in: Industrial & Scientific

Review: बहुत ही अच्छा प्रोडक्ट - किमत थोड़ी ज्यादा है पर प्रोडक्ट बहुत अच्छा है
Review: very good - proper Work not disturb

## Features

- Long life, no less than 10,000 times of electrical life.
- Set the start clock of each group, the running time of each group is the same, the setting range is 1-99 seconds.
- 1.6 Inch large screen display, the reading is more convenient and clear.
- Ideal for schools and other institutions requiring timed activities such as school bell ringing, production schedules, and more.
- Can be used for street lights, factories, advertising signs, production equipment, radio and television equipment, stage and other power equipment that needs to be turned on and off regularly.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BFNDDVG |
| Best Sellers Rank | #13,260 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #212 in Controls & Indicators |
| Brand | Blackt Electrotech |
| Colour | White |
| Country of Origin | China |
| Customer Reviews | 4.0 out of 5 stars 34 Reviews |
| Enclosure Material | Plastic |
| Manufacturer | Blackt Electrotech |
| Material | Plastic |
| Number of settings | 40 |
| Screen Size | 1.6 Inches |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Blackt Electrotech
- **Colour:** White
- **Material:** Plastic
- **Number of settings:** 40
- **Screen Size:** 1.6 Inches

## Images

![(BT41BL) : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay - Image 1](https://m.media-amazon.com/images/I/61IEqrXN-4L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ बहुत ही अच्छा प्रोडक्ट
*by N***M on 29 February 2024*

किमत थोड़ी ज्यादा है पर प्रोडक्ट बहुत अच्छा है

### ⭐⭐⭐⭐⭐ very good
*by F***N on 5 February 2024*

proper Work not disturb

### ⭐⭐⭐⭐⭐ Easy to set up and install
*by D***A on 23 October 2022*

Use for any bell or siren purpose

## Frequently Bought Together

- Blackt Electrotech : 220V Din Rail Mount Digital Timer 40-Group Time-Controlled Ringer Timer School Bell Relay White
- Blackt Electrotech BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof)
- Blackt Electrotech BT31P2 White Water Proof 230Volt Auto Day/Night on and Off Photocell, Ldr Sensor Switch for Lighting (5 Pic Pack)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.dk/products/294392118-bt41bl-220v-din-rail-mount-digital-timer-40-group-time](https://www.desertcart.dk/products/294392118-bt41bl-220v-din-rail-mount-digital-timer-40-group-time)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-09*