MegaPhoton LMPB1 630W LED Grow Light | 1700 µmol/s Foldable IP66

MegaPhoton LMPB1 LED Grow Light: 630W of Foldable Top Lighting The LMPB1 arrives folded to 21.4 in wide, which matters when you are carrying twenty of them up a mezzanine stair. Open, it spans 47 x 42.8 in at only 1.26 in thick, so it hangs flat under a low truss. This is MegaPhoton's LED top lighting fixture for flowering rooms and greenhouse bays. It draws 630W and returns 1,700 µmol/s of full-spectrum light, a fixture efficacy of 2.7 µmol/J. Input is universal 100–277VAC, pulling 6.30A at the low end and 2.27A at 277V with a power factor above 0.9. At the 80% continuous-load rule, a 20A 120V circuit carries two fixtures, while a 20A 277V circuit carries seven. Heat load works out to roughly 2,150 BTU/h per fixture, so size the dehumidifiers and mini splits before the lights go up. The housing is IP66 rated, and the fixture carries both DLC and ETL listings. That DLC listing is what most utility rebate programs check first. Running a 630W LED Grow Light Room on One Controller Dimming runs across nearly the whole range, so a clone room and a week-six flower room can share the same fixture. Most growers hang a bar fixture of this output 12 to 18 inches over canopy, then confirm with a PAR meter rather than trusting the chart. Ramp from roughly half power through transition and bring it to full once the stretch slows. The MegaPhoton controller adds sunrise and sunset periods, so the room does not snap from dark to full intensity. It also dims the fixtures automatically at a set temperature and shuts them off at a higher one. That second threshold is the one that matters when an HVAC unit fails on a weekend. Booster modules extend a single control signal across rooms of several hundred fixtures. One honest limit is the operating window, which tops out in the mid-nineties Fahrenheit. A sealed greenhouse that bakes in August will lean on the auto-dim more than you would like. It is also a heavy fixture, so plan on two people per hang. Key Features 1,700 µmol/s at 2.7 µmol/J: Enough photon output for a dense flowering canopy while keeping the wall-plug draw at 630W. Folding Bar Frame: Halves the width for transport and install, then locks out to a flat 47 x 42.8 in array. Universal 100-277VAC Input: One fixture works on residential 120V circuits and on commercial 277V lighting panels. IP66 Housing: Stands up to wet-room humidity, foliar spray drift and washdown between crops. Controller-Ready Dimming: Pairs with the MegaPhoton controller for 1-100% dimming, sunrise and sunset periods. Temperature Safety Logic: Auto-dims at a set room temperature and shuts down at a higher one to protect the crop. DLC and ETL Listed: Carries the DLC and ETL listings most utility rebate programs require before approval. 5-Year Warranty: Covers the fixture across many consecutive crop cycles in continuous production. Technical Specifications Specification Value Model ML-TYN6600A Series LED Top Lighting LMPB1 Input Power 630W PPF 1,700 µmol/s Efficacy 2.7 µmol/J Spectrum Full spectrum (grow and bloom) Input Voltage 100-277VAC, 50/60Hz Input Current 6.30A-2.27A Power Factor >0.9 Dimming 1-100% (via MegaPhoton controller) Dimensions, Unfolded 47 x 42.8 x 1.26 in (1195 x 1087 x 32 mm) Dimensions, Folded 47 x 21.4 x 1.26 in (1195 x 543.5 x 32 mm) Weight 36.4 lbs (16.5 kg) IP Rating IP66 Operating Temperature 32-95°F (0-35°C) Lifetime L90 >50,000 hrs Protections Double temperature safety, short-circuit protection Certifications DLC, ETL Listed (Intertek) Warranty 5 years