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OSRAM OTi 50/120-277/1A4/DIM-1/L G2 | LeanLight


OSRAM 57452 | OTi 50/120-277/1A4/DIM-1/L G2 50W LED Driver


OSRAM 57452 dimmable 50W LED driver.  The OSRAM OTi50/120-277/1A4/DIM-1/L G2 constant current LED power supply has an input voltage of 120-277VAC, programmable output current of 400-1400mA (factory setting 1050mA) and an output voltage of 10-55VDC.  The dimmable LED power supply is 0-10V dimming down to 1%. The Optotronic LED driver is rated for damp and dry locations.  Wire leads not included.

Formerly known as Sylvania, this product is also called Sylvania OTi50/120-277/1A4/DIM-1/L or Sylvania 57452 Replaces OSRAM OTi50/120-277/1A4/DIM-1/L (79516), OTi50/120-277/1A4/DIM/L (79631)


 Brand:  OSRAM Power Factor:  Programmable
Light:  LED Current:  400-1400mA
Lamp:  Modules Frequency:  50/60Hz
Driver:  Dimmable Voltage:  120 - 277V
Length:   11.02" Wattage:  50W
Width:    1.15" Warranty:  5 years
Height:    1.00" Certifications:  UL, ROHS



  • Input voltage: 120-277V
  • UL Class 2 output
  • Output current range: up to 1400mA
  • Constant Lumen Output
  • End-of-life indication
  • DALI compatible


    • 120/277 VAC Universal
    • Power Factor: Programmable


    • 30 day Seller Warranty
    • 5 year Limited MFG Warranty


    OTi 50/120-277/1A4/DIM-1/L G2 data sheet

    Optotronics application guide



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