--- product_id: 424907755 title: "Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable" brand: "blackt electrotech" price: "324 kr" currency: DKK in_stock: true reviews_count: 5 category: "Blackt Electrotech" url: https://www.desertcart.dk/products/424907755-blackt-electrotech-bt41d4-digital-electronic-timer-switch-220v-25amp-din store_origin: DK region: Denmark --- # 16 programmable on/off cycles daily 25A 220V high load capacity 60-day power reserve backup Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable **Brand:** blackt electrotech **Price:** 324 kr **Availability:** ✅ In Stock ## Summary > ⏳ Take control of time — automate your world with Blackt Electrotech! ## Quick Answers - **What is this?** Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable by blackt electrotech - **How much does it cost?** 324 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/424907755-blackt-electrotech-bt41d4-digital-electronic-timer-switch-220v-25amp-din) ## 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 - • **Space-Savvy Design:** Compact DIN rail mount fits neatly, freeing up valuable outlet space. - • **Versatile Powerhouse:** Handles heavy-duty 25A loads, perfect for everything from streetlights to air conditioners. - • **Effortless Programming:** Intuitive dial and pin system makes setup quick—no tech degree required. - • **Precision Timing Mastery:** Set up to 16 on/off programs with 1-minute granularity for ultimate control. - • **Uninterrupted Scheduling:** Built-in battery backup ensures your timer settings survive power outages seamlessly. ## Overview The Blackt Electrotech BT41D4 is a compact, programmable digital timer switch designed for 220V AC circuits up to 25A. Featuring an LCD display, it supports up to 16 daily on/off programs with 1-minute precision and 7-day scheduling flexibility. Its built-in battery backup preserves settings for up to 60 days during power outages. Ideal for automating lighting, appliances, and industrial equipment, this DIN rail mount timer combines robust performance with user-friendly programming. ## Description New BlackT Electrotech AC 220V 25A Digital Programmable Timer Switch. Switch ON/OFF automatically various of electric equipments according to the fixed time. Ideal for home appliance,agriculture facilities,broadcasting equipment,etc. usage. AC 220V 25A digital programmable timer switch. Switch ON/OFF automatically various of electric equipments according to the fixed time. Ideal for home appliance,agriculture facilities,broadcasting equipment,etc. usage. Specifications: *Display: LCD *Color: white *Material: ABS *Frequency: 50~60Hz *Power Reserve: 60 days *Clock Error: 1s/24h 25 Celsius *Build-in Battery: DC 1.2V/40MAH *Power Consumption: appro.1.5VAC *Contact Capacity: 25A 220V AC(Resistive Load) *Open/Close Time: 16 Times Day/Week Circle *Ambient Temperature: -25 Celsius to 60 Celsius *Size: 99X56X42mm/3.86" X2.17" X1.57"(L*W*H) Package Included: 1 x AC 220V 25A Din Rail Digital Programmable Electronic Timer Switch 1 x Manual Review: Working properly and very useful Review: A good Digital Timer Switch Relay. But time with main clock. It goes slow. Has to readjusted after some months. ## Features - Wide Use : It is widely used in programmable control of streetlight, neon light (sign), lamp, water heater, air conditioner, billboard, electric cooker, booster, sprayer, bottler, preheater, agriculture facilities and broadcasting equipment etc. - Easy to Program : Just turn the timer dial to the current time, push the pins down or pull up to set your on/off time, set the manual override switch to TIMER mode and then plug into outlet - Auto Control : Press and hold on the door to shift easily between AUTO (timed on/off) or MANUAL (manual on/off) modes. A backup battery keeps your settings even in the event of a power outage, and it is convenient to our daily life. - Programs-Easily set up to 16 On/Off programs, each with 7-day programming options. Settings can be as short as one minute. Choose your own individual days or simply select one of our convenient pre-set combination days. - Size: Compact and portable design saves space, only takes up one socket and still leaves room to use the bottom wall outlet ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07NBBYN4N | | Best Sellers Rank | #99,430 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #61 in Wall Timer Switches | | Brand Name | Blackt Electrotech | | Color | White | | Customer Reviews | 4.1 4.1 out of 5 stars (613) | | Included Components | false | | Item Dimensions D x W x H | 4.2D x 5.5W x 10H centimeters | | Item Weight | 130 Grams | | Manufacturer | Blackt Electrotech | | Manufacturer Part Number | BT-21252 | | Material Type | Acrylonitrile Butadiene Styrene | | Model Number | BT-21252 | | Number of settings | 1 | | Screen Size | 99 Millimeters | | UPC | 710918665375 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** Blackt Electrotech - **Colour:** White - **Item weight:** 130 Grams - **Material:** Acrylonitrile Butadiene Styrene - **Product dimensions:** 4.2D x 5.5W x 10H centimeters ## Images ![Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Image 1](https://m.media-amazon.com/images/I/614E06+DavL.jpg) ![Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Image 2](https://m.media-amazon.com/images/I/71v5NUCrf4L.jpg) ![Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Image 3](https://m.media-amazon.com/images/I/81AQttXbo9L.jpg) ![Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Image 4](https://m.media-amazon.com/images/I/71jD6bsTBtL.jpg) ![Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Image 5](https://m.media-amazon.com/images/I/71vlPgMo-wL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by N***L on 9 January 2026* Working properly and very useful ### ⭐⭐⭐⭐ Review *by C***S on 19 November 2025* A good Digital Timer Switch Relay. But time with main clock. It goes slow. Has to readjusted after some months. ### ⭐⭐⭐⭐⭐ Review *by S***J on 3 March 2026* Working good with another sensor i am using Motion sensor with siren ## Frequently Bought Together - Blackt Electrotech (BT41D4) : Digital Electronic Timer Switch 220V 25Amp DIN Rail Programmable - Blackt Electrotech 230V 24x7 Energy Saving Socket Timer Digital Programmable Plastic (White) - 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/424907755-blackt-electrotech-bt41d4-digital-electronic-timer-switch-220v-25amp-din](https://www.desertcart.dk/products/424907755-blackt-electrotech-bt41d4-digital-electronic-timer-switch-220v-25amp-din) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-22*