E27 ST64 carbon filament bulb - 4W LED=25W - 400 lumens - Clear 2700K - Dimmable - 100 pieces - 230V

SKU: SRST644W-230V-CLEAR-DIM  |  Barcode: 8782097523885
244,95
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Totale aanschaf (1 stuks) (exclusief eventuele verzendkosten) €0.00
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Berekening op basis van €0.30 per kWh en een brandtijd van 4 uur per dag.

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When should I choose the 4W clear ST64 instead of the amber version?
The clear version provides slightly more light (400 lm vs. 360 lm), and the filament spiral is fully visible. The amber version gives deeper, more atmospheric light. Choose clear for more light and a decorative look, and amber for maximum ambiance.
Is the filament spiral clearly visible?
Yes, the clear bulb makes the entire golden filament spiral visible — this is the decorative feature of the ST64 filament lamp.
What type of dimmer do I need?
The ST64 uses Triac phase-cut dimming. Use an LED-compatible Triac dimmer. The dimming range is 5% to 90%.
Is an on/off version also available?
Yes, the ST64 4W clear is also available as an on/off version at a lower purchase price.
Does it emit UV or IR radiation?
No — it is safe for artworks, textiles, and sensitive materials.
What applications is the 4W clear ST64 suitable for?
Ideal for table lamps, wall fixtures, and pendant lights in restaurants, hotels, and boutique interiors where a decorative lamp also provides functional light.
What is the lifespan?
20,000 operating hours — at 8 hours per day, that is more than 6 years.
What warranty applies?
2-year manufacturer’s warranty.

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Description

Energy-efficient decorative lighting in an iconic tubular shape: the LED filament bulb E27 ST64 in clear 2700K, 4W. With 400 lumens at 100 lm/W, it replaces traditional 25W lighting—with warm white light and a fully visible filament spiral. No UV or IR radiation, no stroboscopic effect. Lifespan: 20,000 hours.

Clear 2700K: decorative and functional in one

Thanks to the clear bulb, the golden filament spiral is fully visible—the decorative hallmark of the ST64. Warm white 2700K provides pleasant, comfortable light. Ideal for table lamps, wall fixtures, and pendant lights in restaurants, hotels, and boutique interiors. With CRI ≥80ⓘ, warm tones are rendered naturally.

Triac dimmable—5% to 90%

Fully dimmable via a Triac (leading-edge phase-cut) dimmer within a range of 5% to 90%. PF ≥0.5ⓘ, operating voltage 220-240V~.

Technical specifications

  • Base: E27 — Bulb shape: ST64 — Color: Clear
  • 4W — 400 lm — 100 lm/W — 2700K — Triac dimmable (5-90%)
  • IP64 — Beam angle: 360° — No UV/IR radiation — No stroboscopic effect
  • Weight: 30g/piece — Lifespan: 20,000 hours — Warranty: 2 years
  • Operating voltage: 220-240V~

Great value per box—100 pieces

This set contains 100 identical bulbs. Operating temperature: -20°C to +40°C. Warranty: 2 years.

Specifications
  • RoHs quality mark
    ✔
  • Lamp base/fitting
    E27 (large socket)

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