Part #: CLL2X4CT-3550W-101D-EBU

LED Thin Ceiling Panel Luminaire
90-minute Emergency Power Backup, Tunable CCT & Wattage

2 x 2-ft, 35W/40W/45W/50W Power Settings
External 0-10V Dimming Switch Capable

100-277Vac—3000K/3500K/4000K/5000K White—Wide Angle 120° Beam

  • 5 Year LEDtronics Warranty
  • 90-plus Minutes of Emergency Backup Power During Power Outages
  • Includes Charging Indicator Test Switch
  • Long Lifespan: Lumen Maintenance over 70% @ 50,000+ Hours
  • Energy Savings up to 75% over Fluorescents
  • Variable Wattage in 5W Increments: From 30W to 45W
  • Switch Setting for White Color Temperature: 3000K, 3500K, 4000K, or 5000K
  • Solid State — High Shock- & Vibration-Proof
  • LM80 SMD Chips: High Lumen, High CRI, Negligible Heat
  • White Trim Aluminum Frame, High Quality Light Guide Plate
  • Frosted PS Diffuser Offers High Uniformity & Transmission
  • Provides for External 0-10V or PWM Dimmer (No Flicker)
  • No UV or IR, No Glass, No Mercury — RoHS Compliant
  • 40+ Years LEDtronics Design & Manufacturing


Choose Options:

Dimensions Options
Power (nominal) Options
Variant Options

Spec Sheets

5000K @ 50W IES File 
  • Installation Instructions
  • Installation Instructions:

    For best results print pdf files in Adobe Acrobat reader.


    • Lighting for Locations Subject to Blackouts
    • Recessed Luminaires for Ambient Lighting of Interior Commercial Spaces
    • Ultraslim Profile Fits Seamlessly into Standard Dropped Ceiling Troffer & Parabolic Fixtures
    • Industrial Area Lighting
    • Office Lighting
    • Hospital & Hospitality Lighting
    • Conference Room Lighting
    • Retail & Convenience Store Lighting
    • Commercial Area Lighting
    • School/College/University Lighting


     ColorMulti CCT White  
     Color Temp3000~5000K
     Voltage (V)120~277Vac
     Power (Watts)34.1, 38.5, 43, 48.3 W
     Current (Amps)0.25~0.41 A
     Operating Temp~-20°C to ~+45°C, IP20
     Power Factor0.99
     Intensity (Candela)1383~2145 cd
     Lumens4112~5762 lm
     Viewing Angle120°
    Electrical-Optical Characteristics (Ta = 25°C)  


    • PWM (pulse width modulation) dimming is possible, but there have been reports of these dimmers causing electromagnetic interference in medical equipment. Alternatively, use 0-10v dimming.

    White LED technology is patent protected in the US. LEDtronics White LED products are covered under these patents.

    Prop. 65 Warning
    WARNING: This product can expose you to chemicals including Di(2-ethylhexl)pthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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