--- product_id: 48882547 title: "GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V" brand: "green blue" price: "£18.12" currency: GBP in_stock: true reviews_count: 13 category: "Green Blue" url: https://www.desertcart.co.uk/products/48882547-greenblue-gb104-programmable-timer-switch-time-relay-digital-lcd-din store_origin: GB region: United Kingdom --- # 16 programmable ON/OFF cycles daily 16A high current capacity 15-day built-in battery backup GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V **Brand:** green blue **Price:** £18.12 **Availability:** ✅ In Stock ## Summary > ⏳ Master your time, power your day with precision! ## Quick Answers - **What is this?** GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V by green blue - **How much does it cost?** £18.12 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/48882547-greenblue-gb104-programmable-timer-switch-time-relay-digital-lcd-din) ## Best For - green blue enthusiasts ## Why This Product - Trusted green blue brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built-In Battery Backup:** Never lose your settings with a 15-day power outage memory - • **Precision Power Control:** Handle up to 16A and 3600W seamlessly for your demanding setups - • **Durable & Compact Design:** Robust DIN rail mount withstanding -10°C to 55°C, perfect for professional environments - • **Reliable Real-Time Display:** Stay informed with a clear digital LCD showing exact timing - • **Ultimate Scheduling Flexibility:** Set up to 16 ON/OFF programs daily with 24h or 7-day cycle options ## Overview The GreenBlue GB104 is a compact, programmable digital timer switch designed for professional-grade electrical control. Supporting up to 16A and 3600W, it offers 16 customizable ON/OFF programs daily with real-time LCD display and a 15-day battery backup, ensuring uninterrupted scheduling in demanding environments. Built for durability and ease of installation on DIN rails, it operates reliably across a wide temperature range and comes with a 24-month warranty. ## Description The GB104 supports up to 16 on/off programs a day. With a timer switch user is able to set work cycles of electrical devices. The timer switch can work in day, or week cycles. Perfect for water treatment, light and many other systems and devices. Buttons are protected from accidental pressing by a durable cover. Clear LCD display, allows to easily view the programmed cycles. The timer switch endures amperage of 16A, which allows for its use in almost every situation. Rechargeable battery prevents loss of data during power loss. Review: Good value - Met all my expectations. Multiple programs and easy to program with led to show when programmed on Review: Great product - Great product , fit straight into consumer unit and very easy to setup and program ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Green Blue | | Colour | Grey | | Item weight | 0.14 Kilograms | | Material | Plastic | | Number of settings | 14 | | Product dimensions | 4D x 8W x 10H centimetres | ## Product Details - **Operation mode:** automatic - **Current rating:** 16 Amps - **Operating voltage:** 264 Volts (AC) - **Contact type:** Normally Open - **Connector type:** Screw In - **Brand:** Green Blue - **Terminal:** Screw - **Item dimensions L x W x H:** 9 x 4 x 4 centimetres - **Circuit type:** 2-way - **Mounting type:** DIN Rail Mount ## Images ![GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - Image 1](https://m.media-amazon.com/images/I/518t2T9VrrL.jpg) ![GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - Image 2](https://m.media-amazon.com/images/I/51HjVdA10RL.jpg) ![GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - Image 3](https://m.media-amazon.com/images/I/51P1g3Q38sL.jpg) ![GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - Image 4](https://m.media-amazon.com/images/I/61ju0IwQqsL.jpg) ![GreenBlue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - Image 5](https://m.media-amazon.com/images/I/516XbcSYGcL.jpg) ## Questions & Answers **Q: I need to work a water pump only 30 seconds every 24hours. Is that possible with the specific timer?** A: As far as I'm aware you it only operates in units of one minute. **Q: will this work with 110v AC?** A: amazon description of the relay/timer says:"Voltage: AC180-264V (50/60Hz)", so it will not work with 110 volts. **Q: Does anyone have set up instructions for this item?** A: You can find all of the instructions at https://shopdelta.eu/pdf/gb-104__i.pdf. **Q: Can this be used to delay the switching on of an item once power to the module is turned on? I want to start a pump 5min after a separate controller s** A: No, it is a multi option programmable time switch, on or off ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good value *by A***F on 14 April 2019* Met all my expectations. Multiple programs and easy to program with led to show when programmed on ### ⭐⭐⭐⭐⭐ Great product *by A***R on 31 December 2019* Great product , fit straight into consumer unit and very easy to setup and program ### ⭐⭐⭐⭐ Good product *by M***O on 12 May 2026* Useful programmable timer with plenty of settings for automatic control. Installation on DIN rail was simple and the display is reasonably easy to read. Once configured it worked reliably for switching loads on and off at the correct times. Instructions could be slightly clearer for first-time setup, but overall a good product. ## Frequently Bought Together - Green Blue GB104 Programmable Timer Switch Time Relay Digital LCD DIN 16A RAIL 220V - DIN Rail Enclosure, Consumer Unit Box IP65 Waterproof, DIN Rail Box 5 Module, With 4 Terminals, 2 Connectors, Suitable for Outdoor Gardens, Farms, Charging Stations, Wet Rooms - Heschen Household AC Contactor, CT1-25, 2 Pole, Two Normally Open, AC 220V/230V Coil Voltage, 35 mm DIN Rail Mount (1) --- ## 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.co.uk/products/48882547-greenblue-gb104-programmable-timer-switch-time-relay-digital-lcd-din](https://www.desertcart.co.uk/products/48882547-greenblue-gb104-programmable-timer-switch-time-relay-digital-lcd-din) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-01*