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Ultra High Output: Delivers an enormous 1120 µmol/s of PAR with 86,000–90,000 lumens for flowering efficiency.
Superior Efficacy: Rated at 140–150 lm/W, maximising light delivery per watt used.
Durable & Consistent: Retains 90% of PAR output for up to 18,000 hours with low degradation.
Optimised for Commercial Systems: Designed for 400V ballasts, offering peak performance in industrial setups.
GE Quality Engineering: Built by GE Lighting (Tungsram) for large-scale, precision-driven horticulture.
The GE 600W SON-T E40 400V Grow Lamp (93139109) is a powerhouse HPS lamp tailored for commercial flowering rooms and greenhouse operations. With up to 1120 µmol/s PPF and a luminous output of up to 90,000 lumens, it offers some of the highest PAR efficiency in its class.
Running on a 400V system, this SON-T lamp emits a 2100K colour temperature—ideal for bloom-stage photoperiod crops. Its universal operating position, fast 3-minute hot re-strike, and A++ energy rating make it a leading choice for growers focused on yield, efficiency, and uniform growth.
Growers choosing 400V SON-T HPS lamps gain key advantages over LED alternatives:
Intense Penetration: Delivers deeper PAR levels into thick canopies for higher bud density.
Stable Spectral Integrity: No colour shifting or diode failure—unlike many LEDs.
Proven Bloom Performance: Trusted by top cultivators for consistent high-yield results.
Cost-Effective Scaling: Lower upfront costs with equal or better harvest returns in flowering zones.
The GE 600W 400V SON-T lamp excels in:
🌿 Large-scale cannabis bloom rooms demanding intense light penetration
🏢 High-performance greenhouses using 400V ballasts and climate-controlled lighting systems
🌱 Hydroponic vertical farms with dense crop arrangements
🌾 Flowering transition zones where intense HPS is essential for setting fruit and flowers
Perfect for: Tomatoes, Peppers, Cannabis, Chillies, Strawberries, Cucumbers, and other photoperiod-sensitive crops.
