LED Retrofit GU4 / MR11LED retrofit lamps with GU4 / MR11 socket are the energy-efficient replacement for conventional halogen and fluorescent lamps in existing sockets – no modification, no electrician, with immediate payback through up to 85% lower energy consumption. Application area: for miniature recessed downlights, jewellery lighting and display case lights with GU4 pin socket and MR11 reflector (35 mm). These LED lamps operate with a service life of 15,000 to 50,000 operating hours, surpassing halogen equivalents by 10 to 25 times. Available colour temperatures: 2700 K warm white (atmosphere and restaurants), 3000 K warm white (office-warm), 4000 K neutral white (task lighting), 6500 K daylight white (detail work and laboratory). Colour rendering Ra > 80 standard; Ra > 90 on request. All lamps comply with the EU Ecodesign Directive and are CE-certified. For installation projects with larger quantities, we offer volume discounts and framework agreements. Please specify socket type, wattage, colour temperature and quantity when enquiring. Questions about socket, colour temperature or bulk orders? 07666 / 88499-0 or sales@industry-electronics.com |
Leading Manufacturers: ✓ Osram ✓ Philips ✓ Samsung LED ✓ Ushio ✓ Radium ✓ Sylvania ✓ Ledvance ✓ Megaman |
Top sellers in LED Retrofit GU4/MR11
LED Retrofit GU4/MR11 from Goobay
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Goobay 30586 LED recessed downlight, 2 W - Base G4, replacing 20 W
Goobay LED recessed downlight, 2 W, warm white, jewelry packaging warm white light at 2800 K as a light bulb vs. 90% less energy consumption. Standard lamps unadulterated and natural color ... Lieske Part No.: 659702 Mfg Part No: 30586 |
3,77 EUR
 plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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Goobay 30588 LED recessed downlight, 2 W - Base G4, replacing 20 W
Goobay LED recessed downlight, 2 W, jewelry packaging warm white light at 2800 K as a light bulb vs. 90% less energy consumption. Standard lamps unadulterated and natural color reproduction thanks to ... Lieske Part No.: 659705 Mfg Part No: 30588 |
3,77 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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Goobay 30589 LED recessed downlight, 2 W - Base G4, replacing 22 W
Goobay LED recessed downlight, 2 W, jewelry packaging cold-white light with 6200 K as a light bulb vs. 91% less energy consumption. Standard lamps unadulterated and natural color reproduction thanks ... Lieske Part No.: 659709 Mfg Part No: 30589 |
3,77 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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Goobay 30590 LED recessed downlight, 1.5W - Base G4, replacing 15 W
Goobay LED recessed downlight, 1.5W, jewelry packaging warm white light at 2800 K as a light bulb vs. 90% less energy consumption. Standard lamps unadulterated and natural color reproduction thanks to ... Lieske Part No.: 659713 Mfg Part No: 30590 |
3,77 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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Goobay 9133 Bulb socket - G4 mini pedestal
Goobay lamp socket, loose material Special plastic silicone cable Cable length 15 cm diameter: 9mm Max. 24V / 100W / 4.1a Lieske Part No.: 787069 Mfg Part No: 9133 Type: HAL F G 4 MINI |
-96% 0,85 EUR 20,40 EUR
plus delivery charges
Delivery time from supplier's stock (ca.) 12 workdaysinfo_outline
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FAQ
Which colour temperature is suitable for professional lighting with GU4 / MR11?
2700–3000 K for living and restaurant areas with warm ambience. 4000 K for office, workshop and retail. 6500 K for security, inspection and laboratory lighting where colour differentiation is important.
Are all LED retrofit lamps dimmable?
No – only models with explicit dimmer labelling. For dimmer installations, always choose the dimmable version and compatible dimmer type (trailing-edge preferred) together.
How long does an LED GU4 / MR11 lamp last in commercial operation?
At 8–10 h/day: 5–15 years, depending on quality level. L70 lifetime (still 70% initial luminance): 15,000–50,000 h. Industrial quality: 50,000 h recommended for hard-to-reach locations.
Can you offer bulk deliveries for installation projects?
Yes – volume discounts from 50 units, framework agreements for large projects. Enquiry with type, colour temperature, quantity and delivery date to sales@industry-electronics.com.
Why Industry-Electronics?
| ✓ B2B specialist since 1990 Lieske Elektronik supplies companies, authorities and institutions – personal expert advice instead of anonymous mass processing. |
✓ 625,000+ articles From standard lamps to specialty lighting – indoor, outdoor, industrial and medical from a single source. |
✓ Expert advice & fast delivery Advice on colour temperature, socket, dimmability and energy efficiency. Contact: 07666 / 88499-0 or sales@industry-electronics.com |