led low bay light

led low bay light



This LED low bay light offers high quality construction with white coating steel body and high transmission Polycarbonate diffuser, Incorporating SMD LED technology to achieve a high lm/w rating,impact resistant and reduce glares, its’ sliding mounting and wiring patent design was made for super easy installation and mantainence.




LED Low Bay Lights, also known as LED Low Bay Lamps or LED Low Hanging Lights, are an energy-efficient lighting solution specifically designed for spaces with lower ceilings. These fixtures are typically used to replace traditional metal halide lamps, high-pressure sodium lamps, or fluorescent lights. They are widely utilized in warehouses, factories, parking garages, supermarkets, gyms, and various other commercial and industrial indoor spaces.

led low bay light

what is LED low bay light:Introduction

  • what is LED low bay light
  • Types of LED Low Bay Lights
    • Recessed LED Low Bay Lights
    • Surface-Mounted LED Low Bay Lights
    • Suspended LED Low Bay Lights
    • Track-Mounted LED Low Bay Lights
  • LED low bay light PARAMETER DATA(J1 Series)
  • Differences Between High Bay and Low Bay Lights
    • Installation Height
    • Optical Design
    • Application Scenarios
  • Advantages and Disadvantages of LED Low Bay Lights
  • LED Low Bay Light Specification (J1 Series)
  • Tips for Choosing LED Low Bay Lights
    • Space Size
    • Lighting Requirements
    • Energy Efficiency Standards
    • Color Temperature
    • Installation Method and Flexibility
    • Protection Rating (IP Rating)
    • Smart Control Compatibility
    • Material and Durability
    • Optical Design
    • Brand and After-sales Service
  • Installation Steps for LED Low Bay Fixtures
    • Prepare Tools and Materials
    • Pre-Installation Check
    • Install the Bracket or Base
    • Create an Opening (for Recessed Fixtures)
    • Wiring
    • Install the Fixture Body
    • Final Inspection and Testing
  • FAQs

what is LED low bay light

The LED low bay light is a highly efficient and energy-saving lighting fixture specifically designed for spaces with medium to low ceiling heights. These lights are typically installed at heights ranging from about 12 to 20 feet above the floor or work surface. Utilizing light-emitting diodes (LEDs) as the light source, LED low bay lights offer several advantages over traditional high bay or industrial lights, including higher energy efficiency, longer lifespan, superior light quality, and greater adaptability to various environmental conditions.

Types of LED Low Bay Lights

1. Recessed LED Low Bay Lights

This type of light fixture is designed to be embedded directly into the ceiling, creating a flush and nearly invisible installation. They are ideal for spaces that require a modern, minimalist aesthetic or a clean ceiling appearance, such as offices, shopping malls, showrooms, conference rooms, boutique stores, and art galleries. The recessed design is not only elegant but also saves space, making the environment look more open and cohesive.

Installation of recessed LED low bay lights requires pre-planning for the fixture’s placement and wiring to ensure a seamless integration with the overall environment.

2. Surface-Mounted LED Low Bay Lights

Surface-mounted LED low bay lights are among the most common installation types. They are mounted directly on the ceiling surface without the need for additional mounting structures, making the installation process simple and quick. These lights are suitable for almost all types of indoor environments, particularly in spaces with lower ceiling heights such as factories, workshops, warehouses, residential areas, classrooms, and small retail stores. The surface-mounted design blends well with various settings, providing uniform and comfortable lighting while maintaining the simplicity and functionality of the space.

3. Suspended LED Low Bay Lights

Suspended LED low bay lights are hung from the ceiling using chains, steel cables, or other suspension devices, allowing for adjustable height and angle according to actual needs. This flexible design is especially suitable for large open areas such as factory workshops, warehouses, supermarkets, and sports facilities. They provide adequate lighting intensity and, through height adjustment, can minimize glare and create an optimal visual environment.

4. Track-Mounted LED Low Bay Lights

Track-mounted LED low bay lights are installed via a specialized track system, offering maximum flexibility and adjustability. Users can freely move the fixtures along the track and adjust the direction and angle of the light without needing to rewire, greatly facilitating the adjustment and optimization of lighting schemes. Track lights are particularly useful in commercial displays, art exhibitions, photography studios, and multipurpose halls where adaptable lighting effects are needed. They not only provide professional lighting but also enhance the artistic and design appeal of the space.

LED low bay light PARAMETER DATA(J1 Series):

Model Input voltage Watt Sensor dimming standby Emergency
ZL-JSBLP20-2FT-CN AC110V or 230V 20w x x
ZL-JSBLP36-4FT-CN AC110V or 230V 36w x x
ZL-JSBLP20-2FT-CS AC110V or 230V 20w 100% / 20% /OFF x
ZL-JSBLP36-4FT-CS AC110V or 230V 36w 100% / 20% /OFF x
ZL-JSBLP20-2FT-CE AC110V or 230V 20w x >3hrs@3.6W
ZL-JSBLP36-4FT-CE AC110V or 230V 36w x >3hrs@3.6W
ZL-JSBLP20-2FT-CES AC110V or 230V 20w 100% / 20% /OFF >3hrs@3.6W
ZL-JSBLP36-4FT-CES AC110V or 230V 36w 100% / 20% /OFF >3hrs@3.6W
Note: x –No this function

Differences Between High Bay and Low Bay Lights

Installation Height

High Bay Lights: These are specifically designed for environments with high ceilings, suitable for ceiling heights ranging from 20 to 40 feet (approximately 6 to 12 meters). They are typically used in large industrial facilities, warehouses, logistics centers, and sports arenas where the space requires robust and extensive illumination.

Low Bay Lights: These are intended for lower ceilings, typically between 12 and 20 feet (approximately 3.6 to 6 meters) in height. Due to their lower height requirements, low bay lights have a broader application range, including factories, warehouses, supermarkets, parking garages, gyms, schools, and various commercial and industrial settings.

Optical Design

High Bay Lights: To effectively project light from a higher position and ensure even ground illumination, high bay lights often feature specially designed reflectors (for traditional HPS/MH bulbs) or precisely angled lenses (for LED high bay lights). This design minimizes light loss and maximizes lighting efficiency.

Low Bay Lights: While good optical design is also crucial for low bay lights to ensure even light distribution, their design may focus more on providing direct illumination, reducing glare, and incorporating a variety of lighting effects and control options, such as dimming features, to suit different environmental needs.

Application Scenarios

High Bay Lights: Due to their wide coverage and high-intensity illumination, high bay lights are typically used in large, open spaces that require strong and far-reaching lighting.

Low Bay Lights: With their versatile installation options, low bay lights are suitable for industrial applications requiring high-intensity lighting as well as commercial and public facilities that need effective lighting with a certain level of aesthetic appeal.

Advantages and Disadvantages of LED Low Bay Lights


1. Energy Efficiency and Environmental Friendliness: LED low bay lights consume only 20-30% of the energy used by traditional lighting for the same light output, significantly reducing electricity usage and costs over time. Additionally, LEDs do not contain harmful substances like mercury, making them an environmentally safe option that aligns with sustainable development goals.

2. Long Lifespan and Low Maintenance Costs: While traditional lights like metal halide or fluorescent lamps have an average lifespan of several thousand hours, LED low bay lights typically last over 50,000 hours. This means fewer replacements and reduced maintenance costs over several years of normal use.

3. Low Heat Emission, Enhanced Comfort: LEDs have high energy conversion efficiency and emit less heat. This minimizes the impact of lighting on indoor temperatures, reduces the load on air conditioning systems during summer, and indirectly lowers energy consumption while improving overall comfort.

4. Design Versatility: The compact nature of LED light sources allows designers to create fixtures in various shapes and sizes. This versatility not only meets diverse lighting needs but also seamlessly integrates with architectural aesthetics, enhancing the overall design appeal of spaces.

5. Instant Response and Increased Efficiency: Unlike traditional lights that require warming up, LED low bay lights illuminate instantly, making them ideal for areas requiring frequent on/off cycling, such as warehouses and parking lots. This instant response enhances efficiency and safety.

6. Smart Control and Personalized Lighting: Modern LED low bay lights often support smart control protocols like DMX512 and DALI, allowing users to adjust brightness and color temperature according to their needs. This customization improves lighting quality and adapts to various work or living environments.


Higher Initial Cost: High-quality LED low bay lights have a higher upfront cost compared to traditional lighting solutions.

Heat Management: Although LEDs emit less heat, poor heat dissipation can affect the lifespan and efficiency of LED chips.

LED Low Bay Light Specification (J1 Series):

Rated Power 18W 36W
Install Surface Mount/Suspended/Linkable
Protection Rating IP20
Housing Steel with Coating
Optics Polycarbonate Milky Diffuser
Connection Type Terminal Block or Linkable
Operating Temperature -20℃ to 40℃(Emergency version: 0℃ to 40℃)
Warranty 5 Years(battery for 1 year)
Dimming (Option) Microwave Sensor – 3 Stepped Version(100%-20%-OFF)
Emergency (Option) 3 Hours+ @3.6W LiFePO4 Battery
Luminous Efficacy 110-140lm/w
CCT 3000K/4000K/5000K/6000K
CRI >80
Beam Angle 120 degree
Input power Supply AC200-240V, 50/60Hz
Power Factor > 0.9
Lifespan@Ta25°(L70) 54,000 hours
Electrical Classification Class I
Dimensions 650*113*96mm 1260*113*96mm


Tips for Choosing LED Low Bay Lights

1. Space Size: Select the size and brightness of the fixture to match the room’s area and height.

2. Lighting Requirements: Choose the appropriate type and brightness of the fixture based on the room’s function and lighting needs.

3. Energy Efficiency Standards: Opt for LED lights that comply with local energy efficiency standards. This ensures the fixtures are both environmentally friendly and energy-saving.

4. Color Temperature: Choose the right color temperature based on preference and usage. Generally, warm light is suitable for home environments, while white light is ideal for workspaces.

Color Temperature Options: You can choose from 3000K (warm white), 4000K (neutral white), and 6500K (cool white) to meet the lighting needs of different spaces.

Color Rendering Index (CRI): LED low bay lights with a high CRI can render colors more accurately, enhancing visual comfort.

5. Installation Method and Flexibility: Consider if the fixture’s installation method (such as ceiling-mounted, suspended, or track-mounted) fits your space layout. Also, determine if the fixture needs to have adjustable angles to achieve optimal lighting effects.

6. Protection Rating (IP Rating): Select the appropriate protection rating based on the installation environment. For instance, use fixtures with at least an IP54 rating in damp or dusty environments, and an IP65 rating or higher in outdoor or splash-prone areas.

7. Smart Control Compatibility: Consider whether you need fixtures that support smart controls like Bluetooth, Wi-Fi connectivity, or compatibility with smart home systems. This allows for remote control, scene mode settings, or automatic dimming, enhancing convenience and energy efficiency.

8. Material and Durability: High-quality materials (such as aluminum alloy housings) not only improve the fixture’s heat dissipation but also enhance its corrosion resistance and durability, which is especially important in industrial or outdoor environments.

9. Optical Design: Superior optical design can effectively reduce glare and provide uniform, comfortable lighting. Check if the fixture features special reflectors.

10. Brand and After-sales Service: Choose a brand with a good reputation and comprehensive after-sales service.

Installation Steps for LED Low Bay Fixtures

1. Prepare Tools and Materials

Before beginning the installation, ensure you have all the necessary tools and materials. This typically includes a screwdriver, electric drill, wire strippers, insulating tape, screws, expansion bolts (if mounting to a concrete ceiling), wire connectors, and safety equipment like insulated gloves and safety goggles.

2. Pre-Installation Check

Before starting the installation, inspect all components of the LED low bay fixture for completeness and any damage. Verify that the model and specifications match your purchase order. Additionally, read through the product manual to understand specific installation requirements and precautions.

3. Install the Bracket or Base

For ceiling-mounted or suspended fixtures, first secure the fixture’s bracket or hook to the ceiling. Use an electric drill to pre-drill holes and install expansion bolts if necessary, then fasten the bracket or hook securely. Ensure the installation is stable and does not wobble.

4. Create an Opening (for Recessed Fixtures)

If installing a recessed LED low bay fixture, you will need to cut an opening in the ceiling according to the fixture’s dimensions. Use the appropriate cutting tools and strictly follow the manufacturer’s dimensions to avoid an ill-fitting installation or safety issues.

5. Wiring

With the power turned off, connect the fixture’s wires to the pre-installed ceiling wires. Typically, wire connectors are used to ensure a secure connection. Properly insulate all connections to prevent short circuits or electrical leaks. Adhere to the local electrical codes and color coding standards for wiring.

6. Install the Fixture Body

Attach the LED low bay fixture body to the installed bracket or insert it into the cut-out opening. Depending on the fixture design, you may need to secure it with screws or use another specific mounting mechanism. Ensure all screws are tightened and the fixture is firmly installed.

7. Final Inspection and Testing

After installing all fixtures, carefully inspect all connections and mounting points. Once confirmed correct, have a professional electrician restore the power. Turn on the power and test each fixture individually, checking for uniform lighting, and ensuring there are no flickers, dark spots, or overheating issues.



What is the Difference Between High Bay and Low Bay?

Ceiling Height:

Low Bay: Designed for lower ceilings, generally between 12 to 20 feet.

High Bay: Intended for higher ceilings, typically 20 feet or more.

Light Distribution:

Low Bay: Provides wider beam angles to cover large areas at lower heights.

High Bay: Features narrower beam angles to focus light downwards from greater heights.

Fixture Design:

Low Bay: Often more compact and may include diffusers to spread light evenly.

High Bay: Designed to deliver intense, focused lighting, often with reflectors to direct the light.

What is LED High Bay?

LED High Bay fixtures are lighting solutions designed for high-ceiling environments, typically 20 feet or higher. These fixtures provide powerful, focused illumination, ideal for large spaces such as warehouses, manufacturing plants, gymnasiums, and other industrial or commercial facilities. The use of LED technology ensures energy efficiency, durability, and reduced maintenance.

What Does Low Bay Mean?

Low Bay refers to lighting fixtures designed for use in areas with lower ceiling heights, typically between 12 and 20 feet. These fixtures provide broad and even illumination, suitable for commercial and industrial spaces where the ceiling height does not exceed the specified range. Low bay lights are essential for ensuring adequate lighting in environments like retail stores, workshops, and smaller warehouses, providing visibility and safety without the intense focus required for high-ceiling applications.

How do you determine the appropriate color temperature and brightness when selecting LED low bay lights?

When choosing the right color temperature and brightness, it should be based on the function and requirements of the lighting space. Regarding color temperature, generally, warm color temperatures (such as 3000K) are suitable for creating a cozy atmosphere, suitable for residential or leisure areas; neutral color temperature (4000K) is suitable for places like offices, schools that require clear vision; cool white color temperature (6000K) is suitable for environments like factories, warehouses, workshops that require high brightness for work. The choice of brightness (luminous flux) should be based on the area and height of the space, usually determined by calculating the illuminance requirements of the required lighting area to ensure uniform and adequate illumination.

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