Part #: CLT2X4CT-3550W-101DM

LED Tunable Troffer Recessed Luminaire
Customize the Luminaire to Suit Your Lighting Needs

2'x4', 35W/40W/45W/50W Power Settings
Dusk-to-dawn & Occupant Sensing • Dimming
(With Option for Connection to External 0-10V Dim Switch)

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

  • Sale Item (Sale Terms & Conditions)
  • Long Lifespan: Lumen Maintenance over 70% @ 50,000+ Hours
  • Energy Savings up to 75% over Fluorescents
  • Variable Wattage in 5W Increments: From 35W to 50W
  • Programmable White Color Temperature: 3000K, 3500K, 4000K, or 5000K (adjustable, not auto-shifting)
  • Luminaire Settings: Programmable Adjustable Occupant Sensor Sensitivity, Daylight Sensor Threshold, No-Occupant Hold Time Period, Standby Dimming Level, Standby Dimming Time Period
  • 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
  • Option of External 0-10V Dimmer (No Flicker), (Not for use with programmed standby dimming)
  • No UV or IR, No Glass, No Mercury — RoHS Compliant
  • 40+ Years LEDtronics Design & Manufacturing
  • 'Made in USA' option available for qualified volume orders. Contact the factory.


Choose Options:

Dimensions Options
Power (nominal) Options
Variant Options

Spec Sheets

4500K @ 50W
  • Installation Instructions
  • Installation Instructions:

    For best results print pdf files in Adobe Acrobat reader.


    • For Applications Wherever Occupant and Ambient Light Sensing can Provide Energy Savings
    • Replaces Standard Drop Ceiling Troffer & Parabolic Fixtures
    • Office Lighting
    • Hospital & Hospitality Lighting
    • Conference Room Lighting
    • Retail & Convenience Store Lighting
    • Commercial Area Lighting
    • School/College/University Lighting


     Dimensions2 x 4 ft
     Color Temp3000~5000K
     Voltage (V)120~277Vac
     Power (Watts)29, 35, 41, 48 w
     Current (Amps)0.241~0.419 A
     Operating Temp~-20°C to ~+45°C, IP40
     Power Factor>0.95 Non-flicker
     Intensity (Candela)1144~2055 cd
     Lumens3604~6478 lm
     Viewing Angle120°
     Weight (approx)8.6 lbs [3.9 kg]
    Electrical-Optical Characteristics (Ta = 25°C)  

    Possible Options

    • Optional 90-Minute/10W Emergency Power Pack

    Accessories (Sold Separately)


    • If electing to use the option of an external 0-10V dialed dimmer to control the Luminaire when ON, the programmable Dimming Standby function should be disabled.

    Prop. 65 Warning
    WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit

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