The Monarch is a high-power LED top lighting fixture designed for professional horticulture, delivering one of the highest light outputs available on the market today. Engineered by the Dutch Powerhouse, the Monarch can be equipped with either a 1050W or 1250W driver and achieves an impressive light output of up to 5000 µmol/s. This exceptional performance makes it ideal for high-tech greenhouse applications that demand maximum light intensity and efficiency.
Offered in four variants, the Monarch fixture meets a wide range of grower needs and energy strategies. The Monarch High Efficiency model is best suited for greenhouses with sufficient height, allowing optimal light distribution and uniformity using fewer fixtures. This variant is especially advantageous for growers with limited power capacity, as it delivers high efficacy while conserving energy. For scenarios where energy cost is not a major concern or where lower light levels suffice, the Monarch Economic variant provides a maximum output of 4660 µmol/s, offering reliable performance with reduced initial investment.
Growers transitioning from traditional HPS systems can opt for the Monarch HPS Replacement, which delivers up to 4110 µmol/s at 1050W and allows for a straightforward 1-to-1 swap with existing HPS fixtures. This version offers more than 85% increased light output and is a highly efficient choice in areas with high energy costs. The Monarch HPS Replacement Economic provides a slightly lower maximum output of 3880 µmol/s and is intended for installations where lighting demands are lower and energy prices are less of a constraint.
All Monarch variants are actively water-cooled, offering several advantages in greenhouse applications. The efficient cooling system removes heat directly from both the fixture and the growing environment, ensuring a more stable and controlled climate for crops. This reduces reliance on traditional cooling systems, helping growers cut operational costs while also enhancing plant quality and growth consistency. Moreover, because the fixture remains cool, the reclaimed heat can be reused elsewhere, contributing to sustainable energy practices.
Despite its extreme power, the Monarch’s compact design minimizes shading, allowing more natural sunlight to reach the crops. The fixture is optimized with a carefully balanced red and blue light spectrum tailored for maximum photosynthetic efficiency per crop. With an efficacy of up to 4.2 μmol/J—more than twice that of traditional HPS lamps—the Monarch sets a new standard for LED grow lighting.
The Monarch supports a voltage range of 277–480 VAC and imparts up to 471 watts of heat into the cooling system per fixture. It operates within cooling liquid temperatures ranging from the dew point to 113°F (45°C), but not below 39.2°F (4°C). Backed by a 5-year warranty and certified to ANSI/CAN/UL 8800 standards, the Monarch offers reliable, long-term performance with a rated lifespan of L90 B05 at 50,000 hours.
In essence, the Monarch LED fixture is a powerhouse of efficiency, sustainability, and high-intensity performance, built to meet the demands of modern, large-scale horticulture. After all, what doesn’t heat up, doesn’t need to cool down.
https://www.oreon-led.com/en/products/monarch
