OSRAM DULUX D 10W/840 4,000K G24d-1 CFL — 600 lm

€19.90

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OSRAM DULUX D 10W/840 compact fluorescent lamp, double (4 tubes) tube, 10 W, 600 lm, cool white 4,000 K, CRI 82, G24d-1 base (2-pin). Non-integrated (external ballast).

DULUX D10 W600 lmG24d-14 000 K840

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This lamp can replace:

✅ PHILIPS MASTER PL-C 10W/840/2P G24d-1 — Directly compatible

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Expert advice Lighting specialist, Strasbourg

The OSRAM DULUX D 10W/840 compact fluorescent lamp (colour code 840) is a low-energy lamp with a double (4 tubes) tube and a G24d-1 base. It emits cool white light at 4,000 K and about 600 lumens, with good colour rendering (CRI 82).

A non-integrated lamp (no built-in ballast), it fits G24d-1 CFL luminaires and runs at 230 V through the fitting's ballast: 2-pin (magnetic ballast, integrated starter). Its long life (≈10,000 h) and low consumption make it an economical choice for commercial lighting.

Direct cross-references from other manufacturers: PHILIPS MASTER PL-C 10W/840/2P. Same G24d-1 base and same colour code 840: it replaces them without any change to the fitting.

Technical specifications

Brand	OSRAM
Type	Non-integrated compact fluorescent lamp
Configuration	DULUX D — double (4 tubes)
Power	10 W
Luminous flux	600 lm
Colour temperature	4 000 K (cool white)
Colour rendering (CRI)	> 82
Base	G24d-1
Pins	2-pin (magnetic ballast, integrated starter)
Lifespan	≈10,000 h
Voltage	230 V
PHILIPS equivalent	PHILIPS MASTER PL-C 10W/840/2P
GE Lighting equivalent	No direct equivalent
SYLVANIA equivalent	No direct equivalent
RADIUM equivalent	No direct equivalent
Disposal	Contains mercury — WEEE recycling

Key benefits

✓G24d-1 base — direct replacement in DULUX D luminaires

✓cool white 4,000 K light, CRI 82 — reliable colour rendering

✓2-pin (magnetic ballast, integrated starter)

✓Long life ≈10,000 h and low consumption

Ideal for

Offices and open spacesSchools and classroomsRetail and large storesDownlights and ceiling lightsCorridors and washrooms

Frequently asked questions

Is it compatible with my fitting?

Yes, if the fitting has a G24d-1 base, the same wattage (10 W) and the right ballast. This is a non-integrated lamp: it needs the fitting's ballast and does not connect directly to the mains.

What is the PHILIPS, GE Lighting or SYLVANIA equivalent?

This lamp directly matches PHILIPS MASTER PL-C 10W/840/2P. Identical G24d-1 base, 10 W wattage and 840 colour code: a like-for-like replacement.

What is the difference between 2-pin and 4-pin?

The 2-pin version has a built-in starter and runs on a magnetic ballast. The 4-pin version runs on a high-frequency electronic ballast (fast start, flicker-free, often dimmable). Bases differ: match the one in your fitting.

What does the 840 code mean?

The first digit (8) indicates a CRI of 80 to 89; the next two give the colour temperature: 840 = 4,000 K (cool white).

How is it recycled?

Like all fluorescent tubes, it contains a small amount of mercury: take it to a WEEE collection point (recycling centre or store), never with household waste.

Why order from STRASSELEC?

✓Lighting specialist — expert advice and professional references
✓Fast shipping from Strasbourg (France and Europe)
✓Secure payment by card or bank transfer
✓14-day returns (right of withdrawal)

Need advice, a batch or a large quantity? The STRASSELEC team is here to help.

📦 Minimum order quantity: 2 pieces

Reference DULUX D 10W/840

Specific References

EAN13: 4050300010595

This lamp can replace:

✅ PHILIPS MASTER PL-C 10W/840/2P G24d-1 Directly compatible — Même culot G24d-1 et même code couleur 840 : le remplacement se fait sans aucune modification du luminaire.