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 45% off selected brands plus up to an extra 15% loyalty bonus

10% OFF | Register for a trade account

Get an extra 10% off*

for registering as a trade customer

Valid until 31 October 2025

*Valid until 31/10/2025 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 35% off selected brands plus an extra 5% loyalty voucher. 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
BRUMBERG

BRUMBERG Biro Circle Ring5 up/down Ø 75 cm on/off silver 840

SKU
10028255
  • Color: silver
  • Material: Aluminium, plastic, steel
  • Light bulb: LED 75 W total
  • Supply voltage (volts): 230
All product details

Unlock exclusive benefits in our ProShop

Create a customer account to benefit from exclusive trade pricing with up to 45% off selected brands plus up to an extra 15% loyalty bonus.

Register now
BRUMBERG Biro Circle Ring5 up/down Ø 75 cm on/off silver 840
BRUMBERG Biro Circle Ring5 up/down Ø 75 cm on/off silver 840

Integrated LEDs

Light Colour Temperature
Promotes focus and concentration - ideal for office spaces, conference rooms and outdoor security lighting.
Warm white Cool white Daylight
Light source
Colour temperature 4000 K
  • 50 days free returns
  • Up to 5 years guarantee
Product details Product description From the same series Accessories
Product details

Manufacturer

Brand:
BRUMBERG
Item no.:
10028255

Colour & Design

Color:
silver textured
Material:
Aluminium / Plastic

Dimensions

Height (cm):
5
Diameter (cm):
75
Net weight (kg):
6

Light Source

Light bulb:
LED 75 W total
Light bulb included:
Yes
Wattage (watts):
75
Integrated LEDs:
Yes
Luminous colour:
4000 K universal white
Lumens (lm):
9134
Colour rendering (Ra):
80
Beam angle:
110

Additional Functions

Dimmable:
No

Technical Specifications

IP code:
IP20
Protection class:
I
Supply voltage (volts):
230
Manufacturer information / person responsible for the EU
Manufacturer information BRUMBERG Leuchten GmbH & Co. KG  Hellefelder Straße 63  59846 Sundern (DE)  Tel. +49 2934 9611-0
Warning symbols
Product description

Biro Circle Ring5 LED pendant light with canopy, Ø 75 cm, up/down, switchable Biro Circle Ring is an LED office hanging light specially designed for offices and conference rooms with a ring-shaped lampshade made of aluminium. Opal white plastic covers allow the light from the LEDs installed in the ring to be optimally distributed upwards and downwards. Suspension is by means of fine steel cables that end in the round canopy - Light emission 70 % direct, 30 % indirect - With rotationally symmetrical deep-wide beam light distribution - General colour rendering index CRI > 80 - Lifetime L70/B50 at 25 °C: 276.000 h, service life L80/B20 at 25 °C: 153,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, switchable, not dimmable

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 automatically benefit from a pre-applied discount in our shop. 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.

* Valid until 31/10/2025 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 35% off selected brands plus an extra 5% loyalty voucher. Discount cannot be subsequently deducted from the invoice amount. Not redeemable on products from this manufacturer. 

© 2025 Lampenwelt GmbH