Your company account is blocked and you cannot place orders. If you have questions, please contact your company administrator.
  • Over 2 million items in stock
  • Up to 5 years guarantee²
  • Personal consultation and expert advice
  • Exclusively for trade customers⁵
  • 020 4525 6865
Toggle Nav
Basket Basket
Service
Toggle Nav
Contact Us
Any questions about our products or services?

The Lights.co.uk Professional Team is happy to help.

020 4525 6865

As a registered trade customer, you get up to 50% off on selected brands.

EXTRA 10% OFF | Register for a trade account

Get an extra 10% off**

for registering as a trade customer

Valid until 31 January 2026

**Valid until 31/01/2026 on many brands. You receive a 10% voucher — without minimum order value. Minimum purchase value = value of the goods kept and paid for. One voucher per customer and order, cannot be combined with other discount campaigns (voucher codes). Once registered, you’ll be awarded Silver status as part of our loyalty scheme, giving you up to 30% off selected brands. Discount cannot be subsequently deducted from the invoice amount. The following manufacturers are excluded from this offer: Anglepoise, Artemide, Axo Light, Bankamp, Beacon Lighting, Berliner Messinglampen, BOPP, Bover, Brumberg, Casafan, CMD, Decor Walther, DOMUS, EGGER Licht, EGLO, EGLO Connect, Escale, Faro Barcelona, Flos, Fontana Arte, Forestier, Foscarini, FRANDSEN, Fritz Hansen, GUBI, HEAVN, HerzBlut, ICONE, Idual, Ingo Maurer, Jieldé, Kartell, Knapstein, Ledvance Smart+, Louis Poulsen, Luceplan, LZF LAMPS, Marchetti, Marset, Masiero, Maytoni, Midgard, Nemo, Nordlux, Oluce, Philips, Philips Hue, PURE, Q-Smart-Home, Rotaliana, Serien Lighting, Slamp, Steinel, Tecnolumen, tint, Tom Dixon, TWINKLY, Umage, Westinghouse, WiZ.

Register now

Back
Print:
main product photo
Sylvania

LED bulb RETRO, GU4 MR11, 4 W, 830, 345 lm, 36°

SKU
10050923
Datasheet
  • Material: glass
  • Supply voltage (volts): 12
All product details

Unlock exclusive benefits in our ProShop

Create a customer account to benefit from exclusive trade pricing with up to 50% off on selected brands.

Register now
LED bulb RETRO, GU4 MR11, 4 W, 830, 345 lm, 36°
LED bulb RETRO, GU4 MR11, 4 W, 830, 345 lm, 36°
  • 50 days free returns
  • Up to 5 years guarantee
Product details Product description Downloads From the same series Accessories
Product details

Manufacturer

Brand:
Sylvania
Item no.:
10050923

Colour & Design

Material:
Glass

Dimensions

Length (in cm):
3.8
Diameter (cm):
3.5
Net weight (kg):
0.014

Light Source

Wattage (watts):
4
Base type:
GU4 / MR11
Luminous colour:
3000 K Warm white
Lumens (lm):
345
Colour rendering (Ra):
80
Beam angle:
36

Electrical information

Energy Efficiency Class:
Datasheet
Average lifetime (h):
15000 h
Reference value (watts):
35
Energy consumption (kWh/1000h):
4

Additional Functions

Dimmable:
No

Technical Specifications

Operating voltage (volts):
12
Supply voltage (volts):
12
Manufacturer information / person responsible for the EU
Manufacturer information Feilo Sylvania Germany GmbH 22 Népfürdő utca, Duna Tower, Building B, Floor 3, 1138 Budapest (HU) Tel. +36 18805900
Warning symbols
Product description

LED bulb RETRO GU4 MR11 4 W


This GU4 MR11 reflector LED bulb made of clear glass emits warm white light at an angle of 36°. Not dimmable.

Downloads
DATASHEET_EXTERN
Contact Us
Any questions about our products or services?

The Lights.co.uk Professional Team is happy to help.

020 4525 6865

Lights.co.uk Professional

  • Up to 5 years guarantee
  • Dedicated Account Managers and expert advice
  • The UK's largest selection of brands with over 2 million in-stock items

The strike-through prices correspond to the manufacturer's RRP. All prices include 20% VAT, delivery costs excluded.

¹ As a registered trade customer, you get up to 50% off on selected brands. In addition, electricians, architects, planners, as well as property and facility managers can receive special offers and conditions to suit their specific needs. For further details, please speak with your Account Manager.

² If the manufacturer offers a guarantee on the items we sell, you can benefit from up to 5 years coverage on the following brands — extending beyond the statutory warranty period: Arcchio, Bopp, Brumberg, CMD, Deko-Light, Dotlux, Erco, Escale, EVN, Glamox, Juliana, LTS, Lucande, Paulmann, Performance in Lighting, Philips, Regent, Ribag, RZB, Schuller, Siteco, SLV, Steinel, The Light Group, Westinghouse, WIBRE, XAL, Zumtobel.

For more information on warranty terms, please refer to our terms and conditions of sale.

³ Free delivery on orders over £50 (incl. 20% VAT) within the UK

⁴ The newsletter welcome voucher applies to orders over £99 (incl. 20% VAT), the following manufacturers are excluded from this offer.

⁵ Sales are limited to businesses, entrepreneurs, freelancers, and public institutions. We do not sell to private customers for personal use. All prices are in pounds and include VAT. Quotes are provided without obligation.

* Extra 10% off | Valid until 31/01/2026. You receive a 10% voucher — without minimum order value.  Minimum purchase value = value of the goods kept and paid for. One voucher per customer and order, cannot be combined with other discount campaigns (voucher codes). Once registered, you’ll be awarded Silver status as part of our loyalty scheme, giving you up to 30% off on selected brands. Discount cannot be subsequently deducted from the invoice amount. The following manufacturers are excluded from this offer.

© 2026 Lampenwelt GmbH