GE Biax L 40W 835 3,500K 2G11 CFL — 3,500 lm
€11.90
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GE Biax L compact fluorescent lamp, long, two parallel tubes tube, 40 W, 3,500 lm, white 3,500 K, CRI 82, 2G11 base (4-pin). Non-integrated (external ballast).
Biax L40 W3,500 lm2G113 500 K835
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Expert advice
Lighting specialist, Strasbourg
The GE Biax L 40 W compact fluorescent lamp (colour code 835) is a low-energy lamp with a long, two parallel tubes tube and a 2G11 base. It emits white light at 3,500 K and about 3,500 lumens, with good colour rendering (CRI 82).
A non-integrated lamp (no built-in ballast), it fits 2G11 CFL luminaires and runs at 230 V through the fitting's ballast: 4-pin (electronic HF ballast, dimmable). Its long life (≈10,000 h) and low consumption make it an economical choice for commercial lighting.
Technical specifications
| Brand | GE Lighting |
|---|---|
| Type | Non-integrated compact fluorescent lamp (Biax) |
| Configuration | Biax L — long, two parallel tubes |
| Power | 40 W |
| Luminous flux | 3,500 lm |
| Colour temperature | 3 500 K (white) |
| Colour rendering (CRI) | > 82 |
| Base | 2G11 |
| Pins | 4-pin (electronic HF ballast, dimmable) |
| Lifespan | ≈10 000 h |
| Voltage | 230 V |
| Operation | External ballast (non-integrated) |
| Disposal | Contains mercury — WEEE recycling |
Key benefits
✓2G11 base — direct replacement in Biax L luminaires
✓white 3,500 K light, CRI 82 — reliable colour rendering
✓4-pin (electronic HF ballast, dimmable)
✓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 2G11 base, the same wattage (40 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 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 835 code mean?
The first digit (8) indicates a CRI of 80 to 89; the next two give the colour temperature: 835 = 3,500 K (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.
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- ✓Lighting specialist — expert advice and professional references
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- ✓14-day returns (right of withdrawal)
Need advice, a batch or a large quantity? The STRASSELEC team is here to help.
📦 Minimum order quantity: 25 pieces
F40BX/835 GE LIGHTING
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GE Biax L compact fluorescent lamp, long, two parallel tubes tube, 40 W, 3,500 lm, white 3,500 K, CRI 82, 2G11 base (4-pin). Non-integrated (external ballast).
Biax L40 W3,500 lm2G113 500 K835