--- product_id: 47961741 title: "Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G]" brand: "osram" price: "220.89 DT" currency: TND in_stock: true reviews_count: 13 category: "Osram" url: https://www.desertcart.tn/products/47961741-osram-28w-2d-square-4-pin-gr10q-cap-standard-white store_origin: TN region: Tunisia --- # 8000 hours rated lifespan 80% less energy consumption 28W = 150W incandescent equivalent Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] **Brand:** osram **Price:** 220.89 DT **Availability:** ✅ In Stock ## Summary > 💡 Light smarter, live brighter — don’t get left in the dark! ## Quick Answers - **What is this?** Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] by osram - **How much does it cost?** 220.89 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/47961741-osram-28w-2d-square-4-pin-gr10q-cap-standard-white) ## Best For - osram enthusiasts ## Why This Product - Trusted osram brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Energy-Smart Choice:** Consumes just 28W while matching a 150W incandescent bulb’s output—save on bills and carbon footprint. - • **Powerful Brightness:** Delivers 2050 lumens of warm white light at 3500K for a cozy yet professional ambiance. - • **Slim & Sleek Design:** Low-profile square shape fits modern slimline fixtures seamlessly. - • **Universal Compatibility:** Works with both electronic and conventional control gear, plus a 4-pin Gr10q cap for secure fitting. - • **Long-Lasting Reliability:** Rated for 8000 hours, reducing frequent replacements and maintenance hassle. ## Overview The Osram 28W 2D Square 4-Pin Gr10q Cap Compact Fluorescent Lamp offers a perfect blend of energy efficiency and bright, warm white light (3500K). With an 8000-hour lifespan and 80% less energy use compared to traditional incandescent bulbs, it’s designed for modern slimline fixtures and compatible with various control gear. Ideal for professionals seeking sustainable, reliable lighting solutions that elevate any indoor space. ## Description Product Description Low energy 2d style light bulb has 8000 hours rated life and uses 80% less energy than gls. u350 Box Contains 1 x 28w 2d 4 pin col 835 standard white [3500 K] osram branded(osram) Review: All arrived safe and worked - Came on time . Packed ok - even thought might be damaged as outer parcel ripped . Worked when plugged in . Review: Get the right bulb - This is the right bulb, it has the 4 pin connection, be careful to avoid the 2 pin ones. The after market (ie. Not Osram) 4 pin ones tend to be LED and tend to not fit and not work 50% of the time. ## Features - Low profile for slimline wall or ceiling fittings. - Uses 80% less energy then gls. 8000 hours rated life. - 8000 hours rated life. - 28w is equivalent to 150w. - Note:Average ignition time at ambient temperature is 3-5 seconds (maximum 10 seconds), with a run-up time from 60-100% within 150 seconds - Square shape provides uniform distribution of light - Suitable for operation on electronic and conventional control gear - Overall length : 205.0 mm, Outer bulb : T12 - Maximum diameter : 17.0 mm ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00146BMGU | | Accepted Voltage Frequency | 100 to 240 Volts and 50 Hertz to 60 Hertz | | Average Life Span | 8000 Hours | | Best Sellers Rank | 2,426 in Lighting ( See Top 100 in Lighting ) 31 in Fluorescent & Neon Tubes | | Brand | OSRAM | | Brand Name | OSRAM | | Bulb Base | E27 | | Bulb Shape Size | T6 | | Bulb base | E27 | | Bulb shape size | T6 | | Color Rendering Index (CRI) | 85 | | Color Temperature | 3500 Kelvin | | Colour | Frosted | | Connectivity Protocol | Bluetooth, USB, Wi-Fi | | Connectivity Technology | USB | | Control Method | Push Button | | Controller Type | Push Button | | Customer Reviews | 4.4 out of 5 stars 4,212 Reviews | | EU Energy Efficiency Label | B | | Incandescent Equivalent | 150 Watts | | Included Components | 3 lamps | | Indoor Outdoor Usage | Indoor | | Item Dimensions W x H | 22W x 22H centimetres | | Item Shape | Square | | Item Type Name | Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp | | Item Weight | 0.22 Kilograms | | Light Color | warm white | | Light Output Maximum | 2050 Lumens | | Light Source Wattage | 28 Watts | | Light Type | CFL | | Light type | CFL | | Manufacturer | Osram | | Manufacturer Part Number | 0280-028835o | | Material Type | Glass | | Model Name | XX-D-50 | | Model Number | 0280-028835o | | Number of Items | 1 | | Package Quantity | 1 | | Power Consumption | 28 Watts | | Power Source | electric | | Special Features | Energy Efficient | | Special feature | Energy Efficient | | Specific Uses | Ceiling | | Specification Met | Energy rating A | | Style Name | E27 GLS BULB | | Type of Bulb | Compact fluorescent | | Unit Count | 1.0 count | | Voltage | 120 Volts | | Wattage | 28 watts | | White Brightness | 2050 Lumens | ## Product Details - **Brand:** OSRAM - **Bulb shape size:** T6 - **Light type:** CFL - **Special feature:** Energy Efficient - **Wattage:** 28 watts ## Images ![Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] - Image 1](https://m.media-amazon.com/images/I/51CfAFoKC8L.jpg) ![Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] - Image 2](https://m.media-amazon.com/images/I/81OWfVGe1fL.jpg) ![Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] - Image 3](https://m.media-amazon.com/images/I/61-7i0oWviL.jpg) ## Questions & Answers **Q: How big is it? Description says 53cm? That's half a meter. Can't imagine that being right. What's the actual size please?** A: It's about 20 cm square. **Q: on the 28 2d 4 pin light what position should the 9 little switches be in on the back plate** A: There are no switches on the back of this lamp. Insert the 4 pins into the fitting and turn on... **Q: Is this warm white (yellow)or cool (blue)?** A: Warm white **Q: Mine doesnt say Orsam anywhere... neither on the box nor the bulb. is this normal or was i sold a fake?** A: If your product did not arrive in a green box clearly marked with the Osram logo and there are no markings on the lamp then it's not the genuine article... ## Customer Reviews ### ⭐⭐⭐⭐⭐ All arrived safe and worked *by A***R on 26 July 2026* Came on time . Packed ok - even thought might be damaged as outer parcel ripped . Worked when plugged in . ### ⭐⭐⭐⭐⭐ Get the right bulb *by J***T on 10 July 2026* This is the right bulb, it has the 4 pin connection, be careful to avoid the 2 pin ones. The after market (ie. Not Osram) 4 pin ones tend to be LED and tend to not fit and not work 50% of the time. ### ⭐⭐⭐⭐ Easy to use *by L***E on 27 February 2026* Brilliant to work with wind spreed ## Frequently Bought Together - Osram 28w 2D Square 4-Pin Gr10q Cap Standard White (3500k) Compact Fluorescent Lamp [Energy Class G] - Philips S10 Starter Pack of 2 --- ## 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.tn/products/47961741-osram-28w-2d-square-4-pin-gr10q-cap-standard-white](https://www.desertcart.tn/products/47961741-osram-28w-2d-square-4-pin-gr10q-cap-standard-white) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-17*