Photontek 300W SQ PRO

• Brand: Lumartek
• Model:Photontek SQ300W PRO
• Power:310 W at 230 V
• Efficiency:2.7 µmol/J
• PPF:816 µmol/s
• Spectrum:Full Spectrum
• LEDs:4000K white + 660 nm red + 730 nm far-red
• Dimmable:OFF / 25 / 50 / 75 / 100%
• 0–100% dimmer:included
• External control:0–10V controller
• Beam angle:120°
• Growing area:up to 100 × 100 cm
• IP65:dust and water resistant
• Cooling:passive
• Lifespan:60,000 hours
• Dimensions:561 × 561 × 71.6 mm
• Weight:5.2 kg
• Warranty:3 years
• EAN code:5060560031727

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The Photontek 300W SQ PROis designed for the full growth cycle: from propagation and vegetative growth to flowering. The combination of high-quality white, red, and far-red LEDs provides a balanced full-spectrum light. The official specification lists 4000K white, 660 nm red, and 730 nm far-red.

The square design with LED bars ensures even light distribution across the growing area. As a result, the light is also spread toward the edges and corners, and strong hotspots directly under the center of the lamp are limited. Photontek specifies a maximum growing area of approximately 100 × 100 cm.

The included 0–10V dimmeroffers settings for OFF, 25%, 50%, 75%, and 100%. This allows the light intensity to be easily adjusted to the different development stages of the crop. For central control, the lamp is compatible with a 0-10V digital controller.

Recommended settings

Seedlings / cuttings25% power • 50–60 cm hanging height

Young plants25–50% power • 40–50 cm hanging height

Vegetative growth50–75% power • 35–45 cm hanging height

Flowering75–100% power • 30–40 cm hanging height

These are practical starting values; the optimal setting depends on the crop, growing area, climate, and desired PPFD.

The SQ300W PRO is passively cooledand therefore has no built-in fan. This allows the lamp to operate silently with no moving fan parts. The LED bars are equipped with Photontek's Clear Glue protective layer, featuring a specified light transmission of 99%, extra corrosion resistance, and an IP65 rating