---
product_id: 654932121
title: "BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof)"
brand: "blackt electrotech"
price: "HK$389"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/654932121-bt41dw-30-amps-digital-timer-switch-relay-din-rail-programmable
store_origin: HK
region: Hong Kong
---

# 30A Load Capacity Waterproof Design 16 On/Off Settings BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof)

**Brand:** blackt electrotech
**Price:** HK$389
**Availability:** ✅ In Stock

## Summary

> 🔌 Power Up Your Life with Precision Timing!

## Quick Answers

- **What is this?** BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof) by blackt electrotech
- **How much does it cost?** HK$389 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/654932121-bt41dw-30-amps-digital-timer-switch-relay-din-rail-programmable)

## 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

- • **Robust Performance:** Designed to withstand various environmental conditions.
- • **Effortless Automation:** Seamlessly control your devices with programmable on/off schedules.
- • **Precision Engineering:** Industrial-grade chip ensures high accuracy and reliability.
- • **Versatile Applications:** Perfect for street lamps, motors, heaters, and more.
- • **User-Friendly Installation:** Easily mounts on DIN rail for quick setup.

## Overview

The Blackt ElectrotechBT41DW is a high-performance digital timer switch relay designed for single-phase applications. With a robust 30 Amps load capacity and waterproof construction, it offers programmable automation for a variety of electric devices. Featuring 16 customizable on/off settings and an industrial-grade chip for enhanced precision, this timer switch is perfect for both home and industrial use. Easy to install on a DIN rail, it combines functionality with reliability.

## Description

Blackt Electrotech BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof)

## Features

- Versatile: This timer switch 30 Amps load can automatically turn on/off all kinds of electric equipment according to the time you set.
- It's perfect for controlling street lamps, Motor, heater, neon lamps, production equipment, radios, televisions, and other home appliances.
- High-Quality Components: The timer switch is built with a rechargeable battery and an industrial-grade chip that provides high precision and strong anti-interference ability. mer switch, and it can be mounted on a DIN rail for easy installation.
- Programmable: The timer switch has a 16 on and 16 off operation, and it can be set for daily or weekly operation
- Contact Voltage Rating: The timer switch has a contact voltage rating of 16A 230V AC (50/60Hz), making it suitable for a wide range of applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 14.4 x 8.2 x 7.2 cm; 150 g |
| Item Weight | 150 Grams |
| Display maximum weight recommendation | 150 Grams |
| Is assembly required | No |
| Number of pieces | 1 |
| Batteries required | No |

## Product Details

- **Colour:** WHITE
- **Brand:** Blackt Electrotech
- **Item weight:** 150 Grams
- **Number of settings:** 32
- **Manufacturer:** Blackt Electrotech

## Images

![BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof) - Image 1](https://m.media-amazon.com/images/I/51xizLrChiL.jpg)

## Frequently Bought Together

- Blackt Electrotech BT41DW 30 Amps Digital Timer Switch Relay DIN Rail, Programmable Automatic On/Off (Single-Phase Waterproof)
- Blackt Electrotech Plastic White Water Proof 230Volt Auto Day/Night Sensor Light, Light Sensor Switch for Lighting (5 Pic Pack)
- Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable

---

## 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.hk/products/654932121-bt41dw-30-amps-digital-timer-switch-relay-din-rail-programmable](https://www.desertcart.hk/products/654932121-bt41dw-30-amps-digital-timer-switch-relay-din-rail-programmable)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-20*