1. Introduction
Thank you for choosing the BFT UFO LED High Bay Light 300W. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your new lighting fixture. Please read this manual thoroughly before installation and retain it for future reference.
2. Safety Information
WARNING: Risk of electric shock. Disconnect power before installation or servicing.
- Ensure the power supply is disconnected before any installation, maintenance, or cleaning.
- Installation should be performed by a qualified electrician in accordance with local electrical codes.
- Do not operate the fixture if it is damaged.
- Avoid direct eye exposure to the light source when the fixture is on.
- Ensure the mounting structure can support the weight of the fixture.
- This fixture is rated IP65 waterproof, suitable for wet, dry, and harsh weather conditions, and indoor/outdoor use.
- Operating temperature range: -104°F to 122°F (-40°C to 50°C).
- Features 4KV high voltage surge test rating for enhanced protection.
3. Product Features
- Super Bright & Energy Efficient: 300W, 45,000 lumens output (150 lumens per watt), 5000K white light. Equivalent to 1250W MH/HPS, saving up to 80% energy.
- Dimmable: Features 0-10V seamless dimming for adjustable brightness.
- Durable Construction: IP65 waterproof design, 4KV high voltage surge protection, high-quality pure aluminum cold forged housing for excellent heat transfer and extended component life.
- No Flicker: UL certified power supply ensures stable brightness without EMI or flicker.
- High CRI: Color Rendering Index (CRI) greater than 80 for accurate color representation and eye comfort.
- Long Lifespan: Average life of 60,000 hours.

Image: Overview of BFT UFO LED High Bay Light features, highlighting its brightness, IP65 rating, wide input voltage, flicker-free operation, 0-10V dimming, 120° beam angle, and 5000K color temperature.
4. Package Contents
Verify that all components are present before beginning installation:
- BFT UFO LED High Bay Light Fixture (1 unit)
- US Hook (for hanging installation)
- 5ft 110V Standard US Plug Power Cord
- Safety Cord
- LED Lens (integrated)

Image: The BFT UFO LED High Bay Light shown with its included US Steel Hook, 5-foot power cord, and safety cable, illustrating the components for installation.
5. Setup & Installation
The BFT UFO LED High Bay Light offers flexible installation options: hanging with the included hook or direct ceiling mounting. Always ensure power is disconnected before starting.
5.1 Hanging Installation (Recommended for ease)
- Attach Hook: Securely screw the provided US hook into the top of the light fixture.
- Secure Safety Cord: Attach the safety cord to the fixture and to a secure point on the ceiling or mounting structure to prevent accidental falls.
- Hang Fixture: Hang the light fixture from a suitable ceiling hook or mounting point using the attached US hook.
- Power Connection:
- Plug-and-Play: If dimming is not required, simply plug the 5ft 110V standard US plug power cord into a compatible power outlet.
- Dimmable Function: For 0-10V dimming, connect the purple (Dim+) and pink (Dim-) wires to a compatible 0-10V dimmer switch. The green wire is ground (N) and the black wire is live (L). If a plug is not needed, it can be cut off by a qualified professional.

Image: Detailed installation steps for the BFT UFO LED High Bay Light, illustrating how to attach the hook and safety rope, plug in for non-dimming use, and connect dimming wires for 0-10V functionality.
5.2 Ceiling Mount Installation (Alternative)
The fixture can also be directly mounted to the ceiling. This typically involves securing the fixture base directly to a junction box or a sturdy ceiling surface. Consult a qualified electrician for proper hardwiring and mounting procedures if not using the hanging hook.

Image: An exploded view diagram of the UFO LED High Bay Light, detailing its internal structure and components such as the durable hook, UL LED driver, waterproof connector, die-casting aluminum heat sink, SMD 3030 LED chips, waterproof rubber, and high-transmittance polycarbonate lens.
6. Operating Instructions
6.1 Turning On/Off
Once properly installed and connected to power, the light can be turned on or off using the connected wall switch or by plugging/unplugging the power cord if not hardwired.
6.2 Dimming Function (0-10V)
If the fixture is connected to a compatible 0-10V dimmer switch, you can adjust the brightness level seamlessly from 0% to 100% according to your needs. Refer to your dimmer switch's instructions for specific operation.
7. Maintenance
The BFT UFO LED High Bay Light is designed for minimal maintenance. Follow these guidelines to ensure longevity and optimal performance:
- Cleaning: Ensure the fixture is turned off and cool before cleaning. Use a soft, damp cloth to wipe the exterior. Do not use abrasive cleaners or solvents.
- Inspection: Periodically inspect the power cord, mounting hardware, and safety cable for any signs of wear or damage. Replace any damaged components immediately.
- Heat Dissipation: The aluminum housing is designed for excellent heat dissipation. Ensure there is adequate airflow around the fixture and do not obstruct the cooling fins.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power supply; loose connection; faulty switch. | Check power source and connections. Ensure switch is in the ON position. Test with another power source if possible. |
| Light flickers or dims unexpectedly. | Incompatible dimmer; loose wiring; power fluctuations. | Ensure a compatible 0-10V dimmer is used. Check dimming wire connections. Consult an electrician for power supply issues. |
| Reduced brightness. | Dust accumulation on lens; dimmer set too low. | Clean the lens with a soft cloth. Adjust dimmer to a higher setting. |
9. Specifications
| Feature | Detail |
|---|---|
| Brand | BFT |
| Model Name | BFT-UFO-300WJ |
| Wattage | 300 Watts |
| Brightness | 45,000 Lumens |
| Efficiency | 150 Lumens/Watt |
| Color Temperature | 5000 Kelvin (Daylight) |
| Voltage | AC100-277V |
| Dimmable | Yes (0-10V) |
| Material | Aluminum, Polycarbonate |
| Water Resistance Level | IP65 Waterproof |
| Surge Protection | 4KV |
| Operating Temperature | -104°F to 122°F (-40°C to 50°C) |
| CRI | >80 |
| Average Life | 60,000 Hours |
| Product Dimensions | 15"L x 15"W x 5"H |
| Item Weight | 6 Pounds |
| Included Components | LED Lens, US Hook, 5ft US Plug Power Cord, Safety Cord |
| Recommended Uses | Shop, Barn, Garage, Warehouse, Factory, Supermarket, Low Bay Area |
10. Warranty & Support
BFT offers a 5-year warranty on this product. This warranty covers defects in materials and workmanship under normal use. For warranty claims or technical support, please contact BFT customer service through the retailer where the product was purchased or visit the official BFT website.
We are committed to providing quality products and dedicated customer support. If you have any questions or encounter issues during use, please do not hesitate to contact us.





