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Products of Radium

Radium: LED Lamps, Bulbs & Special Lamps for Industry and Commerce

Radium Lampenwerk is an established German lamp manufacturer with over 100 years of experience in light engineering. At Lieske Elektronik (Voerstetten, Germany) trade businesses and companies can source the complete Radium range – from LED retrofit lamps and compact fluorescent lamps to special lamps for professional applications.

1906
Founded
100+ yrs
Lighting expertise
Made in EU
European production
CE / RoHS
Certified

Radium – European Lamp Expertise Since 1906

Radium Lampenwerk, founded in 1906 in Wipperfuerth (North Rhine-Westphalia), is one of Germany's most traditional lamp manufacturers. The company is now part of the Osram Group and specialises in the development and production of lamps for professional applications in commerce, industry, retail and public facilities.

The range includes LED retrofit lamps (E27, E14, GU10, G13), compact fluorescent lamps, high-pressure discharge lamps, halogen lamps and special lamps for UV, infrared and specific industrial applications. All products comply with current EU Ecodesign Regulations and are CE and RoHS certified. Lieske Elektronik supplies Radium lamps with expert advice on selecting the correct type for your application.

Quality & Certifications
CE compliant
RoHS compliant
EU Ecodesign Regulation 2019/2020 compliant
Energy efficiency classes A to F (LED)
IEC 62560 / EN 62560 (LED lamp standard)
► Product Lines at a Glance
LED Retrofit Lamps (E27, E14, GU10, G13)

High-quality LED replacement lamps in all common bases as direct replacements for incandescent, halogen and fluorescent tubes. Radium LED lamps offer high luminous efficacy (up to 160 lm/W), excellent colour rendering (Ra >80) and service lives of 15,000 to 25,000 hours.

Compact Fluorescent Lamps (CFL)

Compact fluorescent lamps with various cap types (E27, GX23, 2G11) for office luminaires, downlights and surface-mounted fixtures. High luminous output, long service life and excellent colour quality for professional interior lighting.

High-Pressure Discharge Lamps (HQL, HRI, HST)

Mercury vapour, metal halide and high-pressure sodium lamps for industrial hall lighting and outdoor areas – high light output with long service lives for extended maintenance intervals in demanding environments.

Special Lamps (UV, Infrared, Specialist Use)

Technical special lamps for UV curing, infrared heating, photography, stage and studio lighting as well as specific industrial processes – precise colour temperatures and spectral properties for demanding requirements.

► Typical Application Areas
Industry & Production

High-output lamps for production halls, machine-tool lighting and industrial process illumination.

Retail & Commerce

High-quality LED lamps for shop lighting, window displays and showrooms with excellent colour rendering.

Office & Administration

Flicker-free, glare-reduced LED retrofit lamps for office luminaires and ceiling systems – direct replacement without refitting.

Warehousing & Logistics

Long-life lamps for warehouses and logistics centres with extended maintenance intervals and robust design.

Public Facilities

Cost-effective lamp solutions for schools, administration buildings, hospitals and municipal facilities.

Special Lighting & Processes

UV curing, infrared heating and special lamps for technical processes, photography and studio applications.

► Your Advantages with Radium
Proven Quality for Over 100 Years

Radium lamps have been professionally developed and manufactured since 1906. Decades of lamp-making expertise guarantee reliable performance, consistent quality and standards-compliant specifications.

Wide Range for Every Application

From simple LED retrofit lamps to high-pressure discharge lamps – Radium offers precisely matched lamps for every luminaire type and application area in commerce and industry.

EU Ecodesign Compliance

All Radium lamps meet current EU Ecodesign requirements. This simplifies procurement for businesses that must use standards-compliant and sustainable lighting solutions.

Direct Replacement, No Refitting

Radium LED retrofit lamps are designed as 1:1 replacements for incandescent and halogen lamps. Identical base dimensions allow simple lamp exchange without replacing luminaires – minimal installation effort.

► Radium Products in the Shop
► Frequently Asked Questions about Radium
Which Radium LED lamps replace old T8 fluorescent tubes?

Radium offers G13 LED tubes as direct replacements for T8 fluorescent tubes in lengths of 600, 900, 1200 and 1500 mm. Tubes are available for magnetic ballast, electronic ballast and ballast-bypass operation – installers should verify luminaire compatibility beforehand.

Are Radium lamps dimmable?

Selected Radium LED types are approved for phase-cut or trailing-edge dimming. Dimmability is indicated per product. Contact us for expert guidance on selecting the right dimmable Radium lamp for your installation.

What colour temperatures does Radium offer for commercial lighting?

Radium lamps are available in the most common colour temperatures: warm white (2700 K), neutral white (4000 K) and daylight (6500 K). For production and inspection lighting, neutral white or daylight with a high CRI value (>80) is recommended.

Request or Order Radium Lamps

Our sales team at Lieske Elektronik advises you on type selection, volume pricing and lamp retrofit projects.

► Contact us: sales@industry-electronics.com


Lists


Categories with products from Radium



Radium ITT 500W 235V-0870 R7S 12X1 infrared halogen lamp 24317340 Radium ITT 500W 235V-0870 R7S 12X1 24317340Radium ITT 500W 235V-0870 R7S 12X1 infrared halogen lamp 24317340
Highly efficient infrared heater for mains voltage 230V, double-sided socket, adjustable, long service life, no start-up time - fast heating

Lieske Part No.: 1348976
Mfg Part No: 24317340
Type: ITT 500W 235V-0870 R7S 12X1
50,72 EUR
Radium 24317340 plus VAT
≈ £43.72  |  ≈ $57.87
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RX-TW 36W/840/2G10 RALUX 31313055 Radium RX-TW 36W/840/2G10 31313055Radium RX-TW 36W/840/2G10 RALUX 31313055
Compact fluorescent lamp, light colour 840, high luminous efficacy, good colour rendering, long service life, base 2G10. Adjustable with dimmable electronic ballast.

Lieske Part No.: 110157
Mfg Part No: 31313055
Type: RX-TW 36W/840/2G10
19,14 EUR
Radium 31313055 plus VAT
≈ £16.50  |  ≈ $21.84
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium HRI-T 2000W/N/I/400/E40 03 metal halide lamp 32416650 Radium HRI-T 2000W/N/I/400/E40 03 32416650Radium HRI-T 2000W/N/I/400/E40 03 metal halide lamp 32416650
HM lamp with quartz burner, clear tube, neutral white, E40 base. Operation in a closed luminaire, with ballast, no igniter required.

Lieske Part No.: 1130126
Mfg Part No: 32416650
Type: HRI-T 2000W/N/I/400/E40 03
300,17 EUR
Radium 32416650 plus VAT
≈ £258.75  |  ≈ $342.49
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium HRI-T 2000W/D/I/400/E40 02 metal halide lamp 32416652 Radium HRI-T 2000W/D/I/400/E40 02 32416652Radium HRI-T 2000W/D/I/400/E40 02 metal halide lamp 32416652
HM lamp with quartz burner, clear tube, daylight, E40 base. Operation in a closed luminaire, with ballast, no igniter required.

Lieske Part No.: 1344033
Mfg Part No: 32416652
Type: HRI-T 2000W/D/I/400/E40 02
423,42 EUR
Radium 32416652 plus VAT
≈ £364.99  |  ≈ $483.12
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RNP-T/XLR 400W/S/230/E40 RO Entladungslampe 34418094 Radium RNP-T/XLR 400W/S/230/E40 RO 34418094Radium RNP-T/XLR 400W/S/230/E40 RO Entladungslampe 34418094
Natriumdampf-Hochdrucklampe extra long run (6Y), Röhrenkolben klar, Sockel E40. Betrieb mit Vorschalt- und Zündgerät. Verkaufseinheit: 1 ST.

Lieske Part No.: 514130
Mfg Part No: 34418094
Type: RNP-T/XLR 400W/S/230/E40 RO
47,10 EUR
Radium 34418094 plus VAT
≈ £40.60  |  ≈ $53.74
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-RAL2 60 DIM 9W/230/827/C/S14S LED Linienlampe 500lm 42514767 Radium RL-RAL2 60 DIM 9W/230/827/C/S14S 42514767Radium RL-RAL2 60 DIM 9W/230/827/C/S14S LED Linienlampe 500lm 42514767
RaLEDina, LED-Lampe mit klarem Glaskolben zum Austausch mit Linien-Glühlampen, dimmbar, Sockel S14s. LED-Licht enthält keine UV- oder IR-Strahlung. Verkaufseinheit: 1 ST.

Lieske Part No.: 512101
Mfg Part No: 42514767
Type: RL-RAL2 60 DIM 9W/230/827/C/S14S
27,44 EUR
Radium 42514767 plus VAT
≈ £23.65  |  ≈ $31.31
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-T5 80 HO 37W/840/G5 UN LED retrofit lamp 43519550 Radium RL-T5 80 HO 37W/840/G5 UN 43519550Radium RL-T5 80 HO 37W/840/G5 UN LED retrofit lamp 43519550
T5 LED tube, replacement with fluorescent lamps, neutral white, glass bulb, not dimmable, G5 base. Operation with suitable electronic ballast or at 230V.

Lieske Part No.: 1596735
Mfg Part No: 43519550
Type: RL-T5 80 HO 37W/840/G5 UN
44,37 EUR
Radium 43519550 plus VAT
≈ £38.25  |  ≈ $50.63
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-TRIO/E26 840/GX24q-3 UN LED SPECIAL 43519773 Radium RL-TRIO/E26 840/GX24q-3 UN 43519773Radium RL-TRIO/E26 840/GX24q-3 UN LED SPECIAL 43519773
LED-Kompaktlampe zum Austausch mit Ralux Trio/E, neutralweiß, Kunststoffkörper, nicht dimmbar, Sockel GX24q. Verkaufseinheit: 1 ST.

Lieske Part No.: 834678
Mfg Part No: 43519773
Type: RL-TRIO/E26 840/GX24q-3 UN
19,21 EUR
Radium 43519773 plus VAT
≈ £16.56  |  ≈ $21.92
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-RAL2 120 DIM 827/O LED-Linienlampe opal 43714957 Radium RL-RAL2 120 DIM 827/O 43714957Radium RL-RAL2 120 DIM 827/O LED-Linienlampe opal 43714957
RaLEDina, LED-Lampe zum Austausch mit Linien-Glühlampen, Glaskolben beschichtet, dimmbar, Sockel S14s. LED-Licht enthält keine UV- oder IR-Strahlung. Verkaufseinheit: 1 ST.

Lieske Part No.: 834515
Mfg Part No: 43714957
Type: RL-RAL2 120 DIM 827/O
55,99 EUR
Radium 43714957 plus VAT
≈ £48.26  |  ≈ $63.88
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-T8 18 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 18 43719848 Radium RL-T8 18 NEO 840/G13 DC 43719848Radium RL-T8 18 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 18 43719848
T8-LED-Röhre für externen LED-Treiber, Austausch mit Leuchtstofflampen, Lichtfarbe neutralweiß, Glaskolben, dimmbar, Sockel G13 Verkaufseinheit: 1 ST.

Lieske Part No.: 834959
Mfg Part No: 43719848
Type: RL-T8 18 NEO 840/G13 DC
11,78 EUR
Radium 43719848 plus VAT
≈ £10.15  |  ≈ $13.44
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-T8 36 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 36 43719850 Radium RL-T8 36 NEO 840/G13 DC 43719850Radium RL-T8 36 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 36 43719850
T8-LED-Röhre für externen LED-Treiber, Austausch mit Leuchtstofflampen, Lichtfarbe neutralweiß, Glaskolben, dimmbar, Sockel G13 Verkaufseinheit: 1 ST.

Lieske Part No.: 834960
Mfg Part No: 43719850
Type: RL-T8 36 NEO 840/G13 DC
16,73 EUR
Radium 43719850 plus VAT
≈ £14.42  |  ≈ $19.09
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-T8 58 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 58 43719852 Radium RL-T8 58 NEO 840/G13 DC 43719852Radium RL-T8 58 NEO 840/G13 DC LED Star T8-RetroFit NEO DC RL-T8 58 43719852
T8-LED-Röhre für externen LED-Treiber, Austausch mit Leuchtstofflampen, Lichtfarbe neutralweiß, Glaskolben, dimmbar, Sockel G13 Verkaufseinheit: 1 ST.

Lieske Part No.: 834962
Mfg Part No: 43719852
Type: RL-T8 58 NEO 840/G13 DC
23,66 EUR
Radium 43719852 plus VAT
≈ £20.39  |  ≈ $27.00
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium RL-T18 60 827/C/B15D LED tube lamp RL-T18 60 6 43819378 Radium RL-T18 60 827/C/B15D 43819378Radium RL-T18 60 827/C/B15D LED tube lamp RL-T18 60 6 43819378
LED tube, LED lamp for replacing halogen bulbs. LED light does not contain any UV or IR radiation.

Lieske Part No.: 1056732
Mfg Part No: 43819378
Type: RL-T18 60 827/C/B15D
31,20 EUR
Radium 43819378 plus VAT
≈ £26.89  |  ≈ $35.60
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium BCU DALI/2CH/TW control unit LMBA0025 Radium BCU DALI/2CH/TW LMBA0025Radium BCU DALI/2CH/TW control unit LMBA0025
Product features:Compact radio control device with DALI interface. Compatible with DALI ECGs. Can be controlled with a smartphone or tablet. Works independently or with other SMART Blue components.

Lieske Part No.: 418665
Mfg Part No: LMBA0025
Type: BCU DALI/2CH/TW
128,60 EUR
Radium LMBA0025 plus VAT
≈ £110.85  |  ≈ $146.73
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium BCU DALI/BC ID 560 control unit LMBA0026 Radium BCU DALI/BC LMBA0026Radium BCU DALI/BC ID 560 control unit LMBA0026
Product features: Compact radio control device with DALI interface. Compatible with DALI ECGs. Can be controlled with a smartphone or tablet. Works independently or with other SMART Blue components.

Lieske Part No.: 1346468
Mfg Part No: LMBA0026
Type: BCU DALI/BC
136,11 EUR
Radium LMBA0026 plus VAT
≈ £117.33  |  ≈ $155.30
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium BCU 150/TED Bluetooth Control Unit LMBA0027 Radium BCU 150/TED LMBA0027Radium BCU 150/TED Bluetooth Control Unit LMBA0027
Product features:Radio dimmer for easy retrofitting, for example directly behind the light switch. Compatible with many halogen and LED lamps. Maximum 150W halogen lamp load or 50W LED load. Can be ...

Lieske Part No.: 870524
Mfg Part No: LMBA0027
Type: BCU 150/TED
123,65 EUR
Radium LMBA0027 plus VAT
≈ £106.59  |  ≈ $141.08
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium BCU 4 Channel PWM Dimmer 144/PWM/4CH LMBA1729 Radium BCU 144/PWM/4CH LMBA1729Radium BCU 4 Channel PWM Dimmer 144/PWM/4CH LMBA1729
Electronic pulse width modulation dimmer in constant voltage network 12-24V, setup and operation via APP.

Lieske Part No.: 1349141
Mfg Part No: LMBA1729
Type: BCU 144/PWM/4CH
136,11 EUR
Radium LMBA1729 plus VAT
≈ £117.33  |  ≈ $155.30
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium BCU 0-10V control unit LMCSC43 Radium BCU 0-10V LMCSC43Radium BCU 0-10V control unit LMCSC43
Product features:Radio control unit in a compact design. Compatible with all 0-10V or 1-10V ECGs. Can be controlled with a smartphone or tablet. Works independently or with other SMART Blue components.

Lieske Part No.: 418792
Mfg Part No: LMCSC43
Type: BCU 0-10V
128,60 EUR
Radium LMCSC43 plus VAT
≈ £110.85  |  ≈ $146.73
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium SMART Blue Remote black wireless switch LMZA0984 Radium SMART Blue Remote black LMZA0984Radium SMART Blue Remote black wireless switch LMZA0984
SMART Blue Remote can be configured using the Casambi app. The four programmable target switches can control a scene or animation or simply control a light, a group or all lights at once.
SMART Blue ...

Lieske Part No.: 433566
Mfg Part No: LMZA0984
Type: SMART Blue Remote black
234,27 EUR
Radium LMZA0984 plus VAT
≈ £201.94  |  ≈ $267.30
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium Bluetooth Control Wall Switch 1-2CH LMZA1736 Radium Bluetooth Control Wall Switch 1-2CH LMZA1736Radium Bluetooth Control Wall Switch 1-2CH LMZA1736
Kabelloser Schalter in Wandmontage zum Schalten und Abrufen von Lichtszenen, Einrichtung über APP. Verkaufseinheit: 1 ST.

Lieske Part No.: 696342
Mfg Part No: LMZA1736
Type: Bluetooth Control Wall Switch 1-2CH
91,32 EUR
Radium LMZA1736 plus VAT
≈ £78.72  |  ≈ $104.20
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium DRIVER DALI 1CH 150W/24V IP20 TRIDO DRIVER OTDA2442 Radium DRIVER DALI 1CH 150W/24V IP20 TRIDO OTDA2442Radium DRIVER DALI 1CH 150W/24V IP20 TRIDO DRIVER OTDA2442
1 channel constant voltage supply 24V, dimmable via DALI interface, for indoor applications

Lieske Part No.: 1056122
Mfg Part No: OTDA2442
Type: DRIVER DALI 1CH 150W/24V IP20 TRIDO
196,20 EUR
Radium OTDA2442 plus VAT
≈ £169.12  |  ≈ $223.86
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium DRIVER BT 1CH 35W/24V IP20 TRIDONIC DRIVER OTDA2443 Radium DRIVER BT 1CH 35W/24V IP20 TRIDONIC OTDA2443Radium DRIVER BT 1CH 35W/24V IP20 TRIDONIC DRIVER OTDA2443
1 channel constant voltage supply 24V, dimmable via Bluetooth with the CASAMBI app, for indoor applications

Lieske Part No.: 1954064
Mfg Part No: OTDA2443
Type: DRIVER BT 1CH 35W/24V IP20 TRIDONIC
175,03 EUR
Radium OTDA2443 plus VAT
≈ £150.88  |  ≈ $199.71
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium DRIVER DC DALI 15W/100-350mA IP20 DALI-Treiber f.DC-LED-Lampen OTDA4030 Radium DRIVER DC DALI 15W/100-350mA IP20 OTDA4030Radium DRIVER DC DALI 15W/100-350mA IP20 DALI-Treiber f.DC-LED-Lampen OTDA4030
Externer Konstantstrom-Treiber zum Leuchten-Einbau (z.B. für DC-LED-Tubes), dimmbar über DALI Schnittstelle, für innen. Verkaufseinheit: 1 ST.

Lieske Part No.: 834963
Mfg Part No: OTDA4030
Type: DRIVER DC DALI 15W/100-350mA IP20
49,40 EUR
Radium OTDA4030 plus VAT
≈ £42.58  |  ≈ $56.37
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Radium DRIVER DC DALI 30W/550-750mA IP20 DALI-Treiber f.DC-LED-Lampen OTDA4031 Radium DRIVER DC DALI 30W/550-750mA IP20 OTDA4031Radium DRIVER DC DALI 30W/550-750mA IP20 DALI-Treiber f.DC-LED-Lampen OTDA4031
Externer Konstantstrom-Treiber zum Leuchten-Einbau (z.B. für DC-LED-Tubes), dimmbar über DALI Schnittstelle, für innen. Verkaufseinheit: 1 ST.

Lieske Part No.: 834964
Mfg Part No: OTDA4031
Type: DRIVER DC DALI 30W/550-750mA IP20
56,33 EUR
Radium OTDA4031 plus VAT
≈ £48.56  |  ≈ $64.27
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
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