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25 / 30 / 40 Watt Adjustable 2X4 LED Backlit Panel Light | 3500K / 4000K / 5000K Adjustable | 100-277V | Emergency Battery Backup | 2 Pack

SKU: LLS-AL-BLP-2X4-40A-CC-EM-2P Web ID: 1824
Starting at: $312.45
Availability: 2340 In Stock Ships 2-3 Days
This adjustable 2x4 LED panel is a practical fluorescent troffer replacement for offices and healthcare facilities, with selectable 25, 30, or 40W output, 3500K to 5000K color settings, and 0-10V dimming to suit room requirements. Its 140-degree distribution supports broad general lighting, while recessed, surface, or chain-cable mounting provides installation flexibility. The emergency battery backup, UL listing, 150,000-hour L70 life, and 5-year warranty support dependable long-term use.

Dwayne Kula | President, CTO and Founder

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    Product Specifications

    UL Listed - Verified for Electrical Safety and PerformanceRebate Eligible - Qualifies for Energy Incentive Programs5 Year Unlimited Usage Warranty

    Key Features

    BrandLED Lighting Supply
    Watts25 | 30 | 40
    Lumens3250 | 3900 | 5200
    Lumens Per Watt130
    ReplacesFluorescent Troffer
    Voltage100V-277V
    Color Temperature3500K or 4000K or 5000K
    CRI80+
    Dimming0-10V
    Beam Angles (Std)140°
    OpticsPolycarbonate Lens
    Lifespan150,000 (L70) hours
    MountingRecessed
    Mounting (Opt)Chain-Cable or Surface
    Fixture ColorWhite
    Frequency (Hz)50/60

    Durable Construction

    HousingAluminum Alloy
    Operating Temperature-4°F to 122°F
    CertificationsUL | Rebate Eligible
    Warranty5 years

    Measurements

    Dimensions (in)23.75 X 47.75 X 2.25
    Weight (lbs)8.8 lbs

    Features/Accessories

    • Color Adjustable
    • Wattage Adjustable
    • Emergency Backup Battery

    Product Lighting Layout Estimator

    Use this estimator to calculate approximate fixture count, spacing, and average foot-candles for a simple rectangular space using the selected LED fixture. Enter your room dimensions, mounting height, target foot-candles, light loss factor, and room/layout condition to generate a preliminary lighting layout. When IES photometry is available, workplane height and room reflectance controls are shown.

    Project Inputs

    Loading fixture information...

    Estimated Results

    Fixtures --
    Layout --
    Estimated Avg FC --
    Approx. Spacing --
    Fixture Offset --
    Calculation Method: --
    Top-Down Fixture Layout Fixture positions and estimated floor light levels
    Lower estimated FC Near target Higher estimated FC

    Estimated average foot-candles are preliminary and should be verified with a lighting plan for project-critical applications.

    Room / Layout Condition: This field is used only when usable IES photometry is not available. In fallback mode, it acts as a simplified room utilization factor for reflectance, fixture distribution, racking, obstructions, and how much fixture light reaches the work area. Open / light-colored spaces use 0.90, typical warehouses or shops use 0.75, racked or obstructed spaces use 0.60, and dark or complex spaces use 0.45. When IES photometry is active, this field is hidden and the estimator uses the selected workplane height, LLF, and simplified reflectance adjustment instead.

    Photometry / Simulation Note: When usable IES photometry is available for the selected fixture, this estimator uses the fixture’s IES candela data, selected workplane height, light loss factor, and simplified reflectance adjustment to estimate fixture count, average foot-candles, and visual light distribution. The reflectance adjustment is a conservative approximation and is not a full zonal-cavity, radiosity, or professional photometric room calculation. When IES photometry is not available, the estimator uses a simulated beam model based on lumens, mounting height, room/layout condition, light loss factor, and beam angle.

    Preliminary Estimate Only: This estimator is intended for simple square or rectangular spaces and should be used as a planning aid, not a final photometric lighting plan. Actual light levels may vary based on fixture optics, selected IES file, mounting conditions, workplane height, ceiling height, surface reflectance, obstructions, controls, voltage, installation conditions, and site-specific requirements. Project-critical applications should be verified with a formal lighting plan.

    Need Verified Light Levels?

    This estimate is a starting point. Warehouses, industrial facilities, hazardous locations, sports areas, schools, healthcare spaces, public areas, and code-sensitive projects may require a reviewed lighting layout before purchase or installation.

    Estimator Version 2.9.21

    Product Overview

    This 2×4 LED backlit panel light is a recessed troffer replacement with adjustable wattage and color temperature. It provides 25W, 30W, or 40W output settings and 3500K, 4000K, or 5000K color temperature selection in one fixture.

    The panel operates on 100-277V and includes an emergency backup battery. A polycarbonate lens distributes light across a 140 degree beam angle.

    Core Performance and Output

    Output ranges from 3250 to 5200 lumens, depending on the selected wattage. The 25W setting delivers 3250 lumens, the 30W setting delivers 3900 lumens, and the 40W setting delivers 5200 lumens.

    With 80+ CRI and selectable 3500K, 4000K, or 5000K color temperature, the fixture can be configured for different interior lighting preferences without changing the panel.

    Adjustability and Control Options

    The fixture supports 0-10V dimming and has selectable wattage and color temperature settings. It operates at 50/60 Hz on 100-277V electrical systems.

    Longevity and Reliability

    This LED panel is rated for 150,000 hours at L70 and carries a 5-year warranty. Its operating temperature range is -4 degrees F to 122 degrees F.

    Build Quality and Physical Characteristics

    The white fixture uses an aluminum alloy housing with a polycarbonate lens. It measures 23.75 x 47.75 x 2.25 inches and weighs 8.8 lb.

    Where This Product Fits Best

    The recessed 2×4 format is suited to interior ceiling installations that use troffer-style lighting.

    • office lighting
    • commercial interior lighting
    • healthcare facility lighting
    • educational facility lighting
    • conference room lighting
    • retail interior lighting
    • corridor lighting
    • reception area lighting

    Installation and Long-Term Use

    Recessed mounting is standard. Surface mounting and chain-cable mounting are available options for installations that do not use a recessed ceiling configuration.

    Safety, Certifications, and Warranty

    This panel is UL certified and rebate eligible. It includes a 5-year warranty.

    Frequently Asked Questions

    Q: Does this 2×4 LED panel include emergency backup?

    A: Yes. This 2×4 LED backlit panel includes an emergency backup battery.

    Q: Can this LED panel be mounted without a recessed ceiling?

    A: Yes. This LED panel has optional surface-mount and chain-cable mounting configurations in addition to standard recessed mounting.

    Q: What wattage settings are available on this LED panel?

    A: This LED panel has selectable 25W, 30W, and 40W settings, producing 3250, 3900, and 5200 lumens respectively.

    Web ID: 1824

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