--- product_id: 99373482 title: "Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type" brand: "realgoal" price: "£39.42" currency: GBP in_stock: true reviews_count: 13 category: "Realgoal" url: https://www.desertcart.co.uk/products/99373482-replacement-40w-55w-electrical-ballast-for-t5-single-4-pins store_origin: GB region: United Kingdom --- # 55W Power Compact Size 100-140V Input Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type **Brand:** realgoal **Price:** £39.42 **Availability:** ✅ In Stock ## Summary > Illuminate Your Space with Confidence! 💡 ## Quick Answers - **What is this?** Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type by realgoal - **How much does it cost?** £39.42 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/99373482-replacement-40w-55w-electrical-ballast-for-t5-single-4-pins) ## Best For - realgoal enthusiasts ## Why This Product - Trusted realgoal brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **🌍 Energy Efficient:** Operates at 55 watts, providing powerful performance while saving on energy costs. - • **📦 Lightweight Design:** Weighing only 11.4 ounces, it's easy to install and handle. - • **🔒 Durable Construction:** Built to last, ensuring long-term reliability without the hassle of frequent replacements. - • **🔧 Reliable Performance:** Designed for T5 Single 4 pins type, ensuring compatibility and efficiency. - • **🔊 Integrated Sound Alarm:** Alerts you to any issues, keeping your lighting system safe and sound. ## Overview The Realgoal Replacement 40W-55W Electrical Ballast is a high-performance solution designed for T5 Single 4 pins type fixtures. With an input range of 100-140V and a compact design, it combines efficiency with ease of installation. The integrated sound alarm ensures safety, making it a reliable choice for both home and professional settings. ## Description Realgoal Replacement 40W-55W Electrical Ballast For T5 Single 4 pins type fit 425mA working current Review: Perfect Replacement for my Reverse Osmosis System - This is a much better ballast than the one included in my original reverse osmosis system. My original ballast did not have a ground connection. This one does and is performing perfectly and is much better than my original ballast. Well worth the price, with fast delivery as well. Review: Works great and includes warning sound for failure - This was a replacement for the power supply that came with the system. This unit has a two color light so you can see that it is on and working. Also, it includes a warning sound to notify of failure. Very important failsafes for a system that delivers potable water to the family. ## Features - output 425mA (Equivalent to the working current of lamp ) - With led and Sound Alarm - For T5 Single 4 pins type - IN:100-140V, 50/60HZ ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B079MG3JHW | | Additional Features | LED Compatible, Sound Alarm | | Best Sellers Rank | #149,296 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #52 in Electrical Ballasts | | Brand | Realgoal | | Brand Name | Realgoal | | Bulb Base | G5 | | Bulb Shape Size | T5 1/2 | | Color | Replacement Ballast 40-55w | | Control Method | Touch | | Customer Reviews | 4.1 out of 5 stars 340 Reviews | | Efficiency | High Efficiency | | Incandescent Equivalent Wattage | 55 Watts | | Indoor Outdoor Usage | Indoor | | Item Weight | 0.71 Pounds | | Light Output Maximum | 5450 Lumens | | Light Source Type | Fluorescent | | Light Source Wattage | 55 Watts | | Light Type | Fluorescent | | Manufacturer | REALGOAL | | Manufacturer Part Number | UV BALLAST 40-55W/US | | Material Type | Plastic | | Model Name | UV BALLAST 40-55W/US | | Model Number | UV BALLAST 40-55W/US | | Package Quantity | 1 | | Power Consumption | 55 Watts | | Power Source | Corded Electric | | Shape | Tubular(T) | | Special Feature | LED Compatible, Sound Alarm | | Style Name | 40-55W Ballast | | UPC | 612953890357 | | Unit Count | 1.0 Count | | Voltage | 220 Volts (AC) | | Wattage | 55 watts | ## Product Details - **Brand:** Realgoal - **Bulb Shape Size:** T5 1/2 - **Light Type:** Fluorescent - **Special Feature:** LED Compatible, Sound Alarm - **Wattage:** 55 watts ## Images ![Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type - Image 1](https://m.media-amazon.com/images/I/615dEWL3fTL.jpg) ![Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type - Image 2](https://m.media-amazon.com/images/I/4120Bv2lR9L.jpg) ![Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type - Image 3](https://m.media-amazon.com/images/I/61cUVKcJkaL.jpg) ![Replacement 40W-55W Electrical Ballast for T5 Single 4 pins Type - Image 4](https://m.media-amazon.com/images/I/61E+yJgLioL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Will this work on a alpine corporation uv light?** A: Hello, this uv ballast is only fit for the lamp type single end 4 pins. Sorry that I am not sure if your mentioned alpine model is with the same lamp type or not ？Hope it is helpful. Thanks. **Q: I am looking a replacement ballast for a 55w us steriliser, 220v input. what is the asin?** A: Hello, As you know, the items in FBA warehouse is all 110V of the replacement ballast. If you place order "Fulfilment by Amazon", you will get order input 110v from Amazon FBA warehouse directly. So we suggest you place an order of 110V replacement ballast ASIN B079MG3JHW, most important is order method choose "Fulfilment by seller/ merchant", then immediately contact seller about order ID, and tell seller that you need 220V instead of 110V, also pls tell you need EU plug or UK plug (pls note that : about 220V model, we have UK plug, EU plug for your choices). So that we could directly send out your required 220V replacement ballast for you. Hope it is helpful. Thanks. **Q: Will it work with a 14watt bulb?** A: yes, it is workable with 14watt bulb, this item can be work with maximum 55watt UV bulb. While, If you need work with 14watt UV bulb, we suggest you use 16w UV ballast is enough. ASIN NO. B079M73JY6 is 16w UV ballast 100-120V for Single end 4 pins UV lamp. ( https://www.amazon.com/dp/B079M73JY6?ref=myi_title_dp&th=1) ASIN NO. B07GD29L9R is 16w UV ballast 100-140V for Both ends each side of 2 pins UV lamp. (https://www.amazon.com/dp/B07GD29L9R?ref=myi_title_dp) Hope it is helpful. Thanks. **Q: Will this work for agua topone sde-055-x model** A: yes. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect Replacement for my Reverse Osmosis System *by N***0 on July 23, 2020* This is a much better ballast than the one included in my original reverse osmosis system. My original ballast did not have a ground connection. This one does and is performing perfectly and is much better than my original ballast. Well worth the price, with fast delivery as well. ### ⭐⭐⭐⭐⭐ Works great and includes warning sound for failure *by J***D on June 30, 2023* This was a replacement for the power supply that came with the system. This unit has a two color light so you can see that it is on and working. Also, it includes a warning sound to notify of failure. Very important failsafes for a system that delivers potable water to the family. ### ⭐⭐⭐⭐⭐ Great product *by T***B on December 11, 2025* Great product at its price ## Frequently Bought Together - Realgoal Replacement 40W-55W Electrical Ballast - BLUONICS (3pcs 55W UV Replacement Bulb 4 Prong for Our Water Purifier Ultraviolet Light - Silicone Stopper and Sealer for Quartz Sleeve of Ultraviolet Light Water Purifier Whole House or Revers Osmosis System --- ## 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/99373482-replacement-40w-55w-electrical-ballast-for-t5-single-4-pins](https://www.desertcart.co.uk/products/99373482-replacement-40w-55w-electrical-ballast-for-t5-single-4-pins) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-11*