High Bay LED Lights

If you're shopping for LED UFO high bay shop lights, you've already figured out that the old metal halide and fluorescent fixtures are costing you more than they should. They warm up slowly, burn out frequently, and at 75–100 lumens per watt, they waste nearly half the electricity they consume.

This guide covers everything you need to make a confident purchasing decision — wattage selection, lumen output by application, IP and IK ratings explained in plain English, installation options, certifications, and the real math behind ROI. All specs are based on the G GJIA UFO High Bay Shop Lights series (100W–400W), which delivers 150 lumens per watt with DLC and ETL certification across every model.

Quick Picks by Application

Application	Recommended Model	Output
Home garage / small shop	100W (under 15,000 lumens)	15,000 lm
Auto workshop / retail	150W	22,500 lm
Standard warehouse / gym	200W–240W	30,000–36,000 lm
Manufacturing / high-bay	300W–400W (over 36,000 lumens)	45,000–60,000 lm

What Are LED UFO High Bay Shop Lights? (And Why the UFO Shape Matters)

LED UFO high bay lights get their name from their circular, disc-shaped housing — a design that isn't just aesthetic. The round form distributes heat evenly across the die-cast aluminum body, which acts as a continuous heatsink. Compared to linear high-bay fixtures, UFO-style lights:

• Concentrate output in a 120° beam angle, reducing spill and maximizing usable foot-candles on the work surface
• Install faster with a single hook-and-cord setup (more on this below)
• Pack more output per fixture footprint, reducing the total unit count in a lighting plan

For ceilings between 10 and 40 feet — the standard range for warehouses, shops, gyms, and manufacturing floors — the UFO form factor is the dominant choice among facility managers and lighting designers alike.

Unmatched Efficiency: Why 150 lm/W Changes Your Electricity Bill

Lumens per watt (lm/W) is the lighting industry's miles-per-gallon — it tells you exactly how much usable light you get from every watt of electricity you pay for. The higher the number, the lower your operating cost for the same light level.

G GJIA LED UFO high bay shop lights are rated at 150 lm/W across the entire 100W–400W series. Here's how that stacks up:

*Based on $0.10/kWh average US commercial rate. Actual savings vary by local utility rate.

A facility running 20 fixtures saves roughly $584 per year compared to metal halide — before accounting for lamp replacement labor and restrike downtime. At typical commercial electricity rates above the national average (California, New York, Massachusetts), savings are proportionally higher.

Full Lumen Output Reference: All Six Models

Whether you're comparing 15,000 lumens to 22,500 lumens UFO high bay shop lights for a small commercial space or evaluating over 36,000 lumens UFO high bay shop lights for a high-ceiling industrial facility, the 150 lm/W baseline ensures consistent value at every tier.

Choosing the Right Wattage: Under 150W to Over 400W Equivalent

The single most common — and most costly — mistake in industrial lighting is mismatched wattage. Under-spec and you get dark corners; over-spec and you waste energy and create glare. Here's the breakdown by application category.

Under 150 Watts / Under 15,000 Lumens: Residential & Light Commercial

The 100W model at 15,000 lumens is the entry point of the series and the right choice for:

• Residential garages (1–3 car)
• Small auto repair bays
• Workshops and home studios with 8–15 ft ceilings
• Farm buildings and agricultural storage

What sets the 100W model apart from comparable UFO high bay shop lights under 150 watts on the market is its built-in 3-level wattage switch, which lets you configure output during installation:

• 100W → 15,000 lm — maximum brightness for detail work
• 80W → 12,000 lm — balanced everyday mode
• 60W → 9,000 lm — energy-saver mode for storage or low-traffic hours

This is effectively three fixtures in one. You're not locked into a single operating point after installation — adjust based on the season, task, or energy cost environment.

150 Watts to 240 Watts / 22,500 to 36,000 Lumens: Commercial Sweet Spot

150 watts to 240 watts UFO high bay shop lights cover the widest range of commercial applications:

• 150W (22,500 lm): Standard automotive service centers, CrossFit gyms, retail back-of-house
• 200W (30,000 lm): Mid-size distribution warehouses, school gymnasiums, commercial car washes
• 240W (36,000 lm): Larger warehouse bays (25–35 ft ceiling), food processing, commercial printing

At the 240W level, you cross the threshold into over 36,000 lumens territory, which is where a single UFO fixture begins replacing two older-generation metal halide units — cutting both fixture count and energy draw in half.

240 Watts to 400 Watts and Over 36,000 Lumens: Heavy Industrial

For the highest-demand environments, 240 watts to 400 watts UFO high bay shop lights deliver the output that serious industrial applications require:

• 300W (45,000 lm): Manufacturing floors, large distribution centers, truck terminals
• 400W (60,000 lm): Aircraft maintenance hangars, high-bay cold storage, steel fabrication

Facilities previously running 400W–1,000W high-pressure sodium or metal halide fixtures can typically replace them on a 1:1 or 2:1 basis with G GJIA's 300W–400W models, achieving 40–60% energy reduction while improving color rendering and eliminating warm-up delays.

Built Tough: IP65 Waterproof Rating and IK08 Impact Resistance Explained

What IP65 Actually Means for a Working Shop

The IP (Ingress Protection) rating is defined by IEC Standard 60529. The two digits tell you exactly what the fixture is protected against:

• First digit (6): Completely dust-tight — zero ingress under any test condition
• Second digit (5): Protected against sustained water jets from any direction

In a real shop environment, this matters every day:

IP65 also qualifies these fixtures for damp location listings, meaning they're approved for covered outdoor canopies, parking structures, car wash tunnels, and any semi-exposed commercial application — not just fully enclosed interiors.

IK08: What "Impact Resistant" Means in Numbers

The IK rating (IEC 62262) quantifies mechanical impact resistance. IK08 = resistance to 5 joules of impact energy — equivalent to a 1.7 kg mass dropped from 300mm, or the force of a direct tool strike in a busy workshop.

G GJIA achieves this through a die-cast aluminum alloy housing — the same manufacturing process and material class used in automotive engine components. This is structurally superior to stamped sheet metal or polymer housings used in budget alternatives.

The aluminum body serves double duty as a passive heatsink, drawing thermal energy away from the LED chips and driver electronics continuously. Thermal management is the primary determinant of LED lifespan — proper heatsinking is why quality LED fixtures reach 50,000+ hour ratings while cheap alternatives fail at 20,000.

Installation: Plug and Play or Hardwire — Both in Under 5 Minutes

Every G GJIA LED UFO high bay ships as a complete installation kit. No extra hardware purchases, no return trips to the supply house.

What's Included in the Box

• Heavy-duty steel suspension hook — load-rated for the fixture weight with safety margin
• 6-foot power cord with standard US NEMA 5-15P 3-prong plug
• Safety rope — secondary overhead retention (required by OSHA standards for suspended fixtures in industrial environments)

Option 1: Plug and Play (Under 1 Minute)

For hanging UFO high bay shop lights over an existing outlet or pendant cord:

1. Thread the safety rope through the mounting point
2. Hang the steel hook from the ceiling anchor
3. Plug the 3-prong cord into the outlet

Done. No electrician, no conduit, no junction box. This is the fastest legitimate commercial lighting installation format available, and it's exactly right for:

• Small business owners doing their own retrofit
• Rental or leased commercial spaces
• Pop-up or seasonal facilities
• Testing fixture placement before permanent installation

Option 2: Hardwire for Permanent Installation

Cut the plug from the power cord and connect the leads directly to your branch circuit wiring. The fixture's 100–277V universal voltage input eliminates compatibility concerns:

• 120V — standard US residential and light commercial circuits
• 208V — commercial three-phase delta systems
• 240V — single-phase commercial and industrial
• 277V — standard US commercial fluorescent/LED branch circuits

One fixture model, every electrical environment. No transformer, no adapter, no special ordering.

Lighting Controls: 0-10V Dimming, Power Quality & Compliance

0-10V Dimming: The Commercial Standard

0-10V dimming is the analog control protocol used in virtually all commercial lighting control systems — from simple wall dimmers to building automation systems (BAS) and DALI-compatible controllers. A low-voltage DC signal (0–10V) from the controller scales fixture output proportionally from off to 100%.

Practical applications in industrial settings:

• Daylight harvesting: Automatically dim when skylights or clerestory windows provide sufficient natural light — a standard requirement under ASHRAE 90.1 and California Title 24
• Occupancy-based zoning: Full output in active picking aisles, 20% in unoccupied storage zones — a common logistics center energy strategy
• Multi-zone scheduling: Reduce output during cleaning shifts, ramp up before operating hours
• Task matching: Assembly stations at full output; packaging and storage areas at 70%

Power Quality: THD Under 20%

The 100W model specifies Total Harmonic Distortion (THD) < 20% at full load — a critical but often-overlooked spec. High THD from lighting fixtures causes:

• Interference with sensitive manufacturing equipment and CNC controls
• Nuisance tripping of arc-fault circuit interrupters (AFCIs)
• Increased losses in building transformers and distribution panels
• Potential non-compliance with IEEE 519 power quality standards

Sub-20% THD keeps your electrical infrastructure clean and your facility compliant.

Certifications: What Each One Unlocks

The DLC certification alone can change your purchasing math. A 20-fixture installation at $150/unit = $3,000. A 30% utility rebate = $900 back. That's a material reduction in payback period — and most rebate programs are first-come, first-served within annual budget cycles.

5-Year Warranty and Pre-Purchase Dialux Service

G GJIA backs every fixture with a 5-year warranty — double or triple the coverage offered by most import-direct competitors. At 50,000+ rated hours of LED driver life, a fixture running 16 hours/day reaches its rated lifespan in approximately 8.5 years. A 5-year warranty covers the majority of that period and reflects genuine product confidence rather than calculated risk transfer.

Before you purchase, G GJIA offers a complimentary Dialux lighting layout service — a professional photometric simulation of your specific space with accurate fixture placement, spacing, mounting height, and predicted foot-candle levels at the work plane. This service eliminates over-ordering (the most common error in self-specified industrial lighting projects) and ensures code compliance for new construction permit submissions.

Total Cost of Ownership: The Real Price of LED UFO High Bay Shop Lights

When comparing UFO high bay shop lights prices, the unit cost is the least important number. Here's the full picture over a 5-year operating period for a 20-fixture installation (100W, 16 hrs/day, $0.12/kWh):

The higher upfront cost of quality LED UFO fixtures is typically recovered within 12–18 months through energy savings alone. After that, you're operating on pure savings for the remaining 3.5+ years of the warranty period.

Frequently Asked Questions About LED UFO High Bay Shop Lights

How high should UFO high bay lights be mounted?

For the G GJIA 100W model, the optimized mounting range is 5–20 feet. Higher-wattage models (200W–400W) are designed for 20–40 foot ceiling heights. General rule: the higher the ceiling, the higher the wattage needed to maintain adequate foot-candles (typically 30–50 fc for general warehouse work, 50–100 fc for detailed assembly).

Are UFO high bay lights waterproof?

The G GJIA series is IP65 rated — fully dust-tight and protected against water jets from any direction. This qualifies them for both indoor dry locations and damp locations such as covered canopies, car washes, and agricultural buildings.

Can I dim G GJIA UFO high bay lights?

Yes. All models support 0-10V dimming, compatible with standard commercial dimmer controllers, building automation systems, and occupancy-sensor-based dimming controls.

Do G GJIA UFO high bay lights qualify for utility rebates?

Yes. All models carry DLC (DesignLights Consortium) listing, which is the primary qualification requirement for commercial LED utility rebate programs in the United States and Canada. Rebate amounts vary by utility provider, typically ranging from 20–40% of equipment cost.

How do I install a UFO high bay shop light?

G GJIA fixtures include a steel hook, 6-foot power cord with US 3-prong plug, and safety rope. Plug-and-play installation takes under 1 minute — hang the hook, attach the safety rope, plug in. For permanent hardwire installations, cut the plug and connect leads to your branch circuit wiring. The fixture is compatible with 100–277V systems.

What's the difference between ETL and UL listing for high bay lights?

Both ETL (Intertek) and UL (Underwriters Laboratories) are NRTL (Nationally Recognized Testing Laboratories) accredited by OSHA. ETL listing is accepted by all US and Canadian authorities having jurisdiction (AHJs) wherever UL listing is accepted — they are functionally equivalent for permitting and insurance purposes.

Are these lights suitable for black or glass housing configurations?

The G GJIA series is available in standard aluminum finish. For black UFO high bay shop lights or specialty configurations, contact G GJIA directly for current availability. All standard models use tempered glass lens covers rather than plastic diffusers, which provides better light transmission and longer optical clarity over time — the lens doesn't yellow with age the way polycarbonate does.

Finding the Right LED UFO High Bay Shop Light for Your Space

The decision to upgrade to LED UFO high bay shop lights is straightforward. The harder question is which wattage, and whether the fixture you're considering has the certifications, build quality, and warranty support to deliver on its spec sheet claims.

The G GJIA series answers both questions clearly:

• 100W–150W for residential and light commercial applications under 20 feet
• 150W–240W for standard commercial warehouses, gyms, and service bays
• 240W–400W for heavy industrial, high-ceiling manufacturing, and large-format storage

With 150 lm/W efficiency, IP65 waterproofing, IK08 impact resistance, DLC/ETL certification, and a 5-year warranty, these aren't just bright fixtures — they're a documented investment with a calculable return.

Ready to configure your lighting layout? Browse the complete collection and request your complimentary Dialux photometric analysis at ggjia-led.com/collections/led-high-bay-lights.

G GJIA LED UFO high bay shop lights are available for purchase online with direct shipping across the United States. All models ship with full certification documentation, installation hardware, and access to free pre-sale technical support.