400W OSRAM Plantastar

• Brand: OSRAM
• Model: Plantastar
• Power: 400 Watt
• Lighting technology: High-Pressure Sodium (HPS)
• Application: Flowering phase
• Lamp base: E40
• Color temperature: 2000K
• Luminous flux: 56,200 lumens
• Photon flux (PPF): 725 µmol/s
• Efficiency: 1.81 µmol/J
• Lifespan: Up to 32,000 operating hours
• Supply voltage: 230V
• Dimensions: 285 × 47 mm
• Weight: 170 grams

The OSRAM Plantastar 400W is developed for the flowering phase of plants and delivers a powerful 2000K spectrum with a high proportion of red and orange light. This supports abundant flowering and healthy development of flowers, fruits, and compact buds.

With a photon flux of 725 µmol/s, this lamp is suitable for medium to larger grow rooms where high light intensity is desired.

Suitable for

• Flowering phase
• Fruiting crops
• Grow tents
• Grow cabinets
• Hobby and professional growers

Recommended settings

Due to the higher heat generation of HPS lighting, sufficient ventilation is important.

Start of flowering phase

• 55-70 cm above the crop

Full bloom

• 40-60 cm above the crop

Regularly check how the crop responds and adjust the distance if necessary.

Specially developed for the flowering phase

The warm 2000K spectrum supports the development of flowers and fruits. Thanks to the high light output, the crop is evenly illuminated, stimulating powerful flowering.

Proven OSRAM quality

The Plantastar series is used worldwide by hobby and professional growers due to its stable light output, reliable performance, and consistent quality. The high-quality finish ensures a long lifespan and reliable operation.

When to replace?

Although the lamp technically lasts up to approximately 32,000 burning hours, the light output gradually decreases during its lifespan. For optimal cultivation results, it is recommended to replace the lamp after approximately 10,000 to 12,000 burning hours.

Why choose the OSRAM Plantastar 400W?

• Specially developed for the flowering phase
• Powerful 2000K HPS spectrum
• High light output of 56,500 lumens
• 725 µmol/s photon flux
• Professional OSRAM quality
• E40 fitting
• Up to 32,000 burning hours lifespan
• Suitable for hobby and professional growers