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Save when buying in case quantity.  10 pack of OSRAM 57452 dimmable 50W LED drivers.  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 Type:  Constant
Light:  LED Lamp:  Modules
Driver:  0-10V Dim Power:  Program
Wattage:  50W Voltage:  120-277V
Current:  1050mA Frequency:  50/60Hz
Certifications:  UL, RoHs Length:  11.02"
Width:    1.15" Height:    1.00"


OSRAM 57452 data sheet

Optotronics application guide



  • Integrated LED Light Fixtures
  • Lighting Repair
  • Commercial Lighting
  • Industrial Lighting
  • Indoor/Outdoor
  • Damp Rated


  • Programmable
  • Dimmable
  • Input voltage: 120-277V
  • UL Class 2 output
  • Output current range: up to 2300mA
  • Constant Lumen Output
  • Over temperature protection
  • End-of-life indication
  • DALI compatible


    • 30 day Seller Warranty
    • 5 year Limited MFG Warranty