Please note: this fixture is purchased to order, so extended lead times will apply.
LUMATEK Zeus 465W Pro 3.1 LED Grow Light – High-Efficiency Lighting for Compact Grow Spaces
The Lumatek Zeus 465W Pro 3.1 LED Grow Light delivers serious full-spectrum LED performance in a compact, efficient fixture. Designed for smaller to medium indoor grow spaces, it gives you strong output, excellent efficiency and even light spread without the heat and energy waste of older lighting systems.
With a power draw of 465W, an impressive efficiency of 3.1 µmol/J and a total output of 1450 µmol/s, the Zeus 465W Pro 3.1 is built for growers who want high usable light levels from a smaller LED fixture.
The multi-bar design spreads light evenly across the canopy, making it a strong choice for grow tents and spaces up to around 1.2m x 1.2m. Instead of creating one intense hot spot in the centre, the fixture helps distribute light more consistently from edge to edge, giving plants a more balanced growing environment.
Like the rest of the Lumatek Zeus range, the 465W Pro 3.1 is passively cooled using aluminium heat sinks. That means no noisy fans, no moving parts and less maintenance over time. It also features onboard dimming and can be connected to a Lumatek controller for more advanced lighting control.
Key Benefits
- High-efficiency LED fixture; delivers 3.1 µmol/J for excellent light output per watt;
- Strong 1450 µmol/s output; gives plants powerful full-spectrum light for productive growth;
- Ideal for compact spaces; suitable for grow areas up to around 1.2m x 1.2m;
- Multi-bar light spread; helps improve canopy coverage and reduce central hot spots;
- Full-spectrum output; supports plants through vegetative growth and flowering;
- Passive cooling; aluminium heat sinks keep the fixture running quietly with no fan noise;
- Onboard dimming; adjust intensity to suit plant stage and room conditions;
- Controller compatible; can be used with Lumatek controllers for advanced lighting control;
- IP65 rated; built for humid grow room conditions;
- Premium Lumatek build quality; designed for reliable performance crop after crop.
Why You Need It
Light quality and efficiency make a big difference in a compact grow space. You need enough intensity to drive growth, but you also need good spread, manageable heat and the ability to control output as plants develop.
The Lumatek Zeus 465W Pro 3.1 gives you that balance. It delivers high usable output while keeping power consumption efficient, making it a strong upgrade for growers moving away from older lighting or lower-efficiency LED fixtures.
Its multi-bar layout is especially useful in smaller tents where even canopy coverage matters. You get strong light across the footprint, helping plants receive more consistent intensity from one side of the grow space to the other.
Perfect for Smaller Tents & High-Efficiency Setups
The Zeus 465W Pro 3.1 is a great match for growers who want a premium LED without stepping up to a larger, higher-wattage fixture.
It is well suited to compact indoor grow rooms, smaller flowering tents, veg spaces, controlled environments and growers who want efficient lighting for a 1.2m x 1.2m style footprint.
If you want strong output, low noise, excellent efficiency and a clean full-spectrum LED setup, this fixture is a strong choice.
How the Lumatek Zeus 465W Pro 3.1 Works
The Zeus 465W Pro 3.1 uses a multi-bar LED layout to spread light evenly across the canopy. This helps reduce harsh central intensity and improves light distribution across the growing area.
The fixture runs passively cooled, using aluminium heat sinks to manage heat without fans. This keeps noise down and removes the need for moving cooling parts.
The onboard dimmer allows you to reduce or increase output depending on plant stage, room temperature and canopy height. For more advanced setups, the fixture can also be connected to a Lumatek controller for programmable control across one or multiple lights.
How to Use the Lumatek Zeus 465W Pro 3.1
- Hang the fixture securely above your grow area using suitable hangers or ratchets.
- Position the light evenly over the canopy to maximise coverage across the full footprint.
- Start with a lower dimmer setting for young plants or newly introduced plants.
- Increase intensity gradually as plants develop and can handle stronger light levels.
- Adjust hanging height and output based on plant response, canopy size and room temperature.
- Use alongside good extraction and circulation to keep the grow environment stable.
- For advanced control, connect to a compatible Lumatek controller and set your preferred lighting schedule or dimming programme.
Tech Specs
| Model | Efficiency | PPF | Power Draw | Spectrum | Recommended Area |
|---|---|---|---|---|---|
| Lumatek Zeus 465W Pro 3.1 | 3.1 µmol/J | 1450 µmol/s | 465W | Full Spectrum | Up to 1.2m x 1.2m |
- Brand: Lumatek
- Product type: LED grow light
- Model: Zeus 465W Pro 3.1
- Power draw: 465W
- Efficiency: 3.1 µmol/J
- PPF output: 1450 µmol/s
- Spectrum: Full spectrum
- Cooling: Passive cooling with aluminium heat sinks
- Dimming: Onboard dimming
- Controller compatibility: Compatible with Lumatek controllers
- IP rating: IP65
- Recommended grow area: Up to 1.2m x 1.2m
- Best for: Compact grow tents, small-to-medium grow rooms and efficient LED upgrades
Top Tip
Don’t run full power too early. Start young plants on a lower dimmer setting, then increase intensity as the canopy develops. You’ll get better control, less stress and a smoother transition into stronger light levels.
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Contains
1 x Lumatek Zeus Pro 465w 2.9umol or Lumatek Zeus Pro 465w 3.1umol
About
- Proven compact fixture – Ideal for 1.2m x 1.2m spaces
- Two models available – Choose Pro 3.1 or Pro 2.9 depending on your goals
- High efficiency output – Up to 3.1 µmol/J with excellent canopy coverage
- Full-spectrum lighting – Supports all growth phases from veg to flower
- Passive cooling – Fanless design runs silently and reliably
- Dimmable and linkable – Onboard dial or full controller support
- IP65 rated – Safe in humid environments and sealed grow rooms
How To Use
How to Use the Lumatek Zeus Pro
Lumatek Zeus grow lights can be assembled in around five minutes. All you need to do is put together the frame, screw the driver (power supply) in place, fit the LED light strips, and connect up the controller.
The Lumatek Zeus Pro 465w is great for a 1m square area but could be used in a 1.2m area. Lumatek recommend a light height of around 500mm (perhaps a little lower for the 465w version). However, this is only a general guide. When plants first go under an LED grow light they can take a while to adjust to it. When the plants first go under it, we would recommend a slightly higher distance from the light to the top of the canopy, or turning down the power. Over the course of several days the light height can be reduced slowly and/or power can be increased gradually. After the plants have developed it may be possible to reduce the light height to below 500mm. Keep an eye out for any signs of stress (droopy or discoloured leaves) and increase the light height if necessary.
Lumatek have done a really good job with the instruction manual, and it makes the process incredibly clear.