Osram 57351 Optotronic 40W 120/277V AC 50/60Hz Constant Current Dimmable Compact LED Driver OTi 40W/120-277/1A4 DIM-1



• Universal input voltage – 120–277VAC 50/60Hz
• Pout = 40W, Vout = 8-55VDC, Iout = 400-1400mA
• UL Class 2 output for safe operation
• Protection against line voltage on 0-10 V dimming wires
• Custom programmable with 1mA resolution to perfectly match LED load and maximize performance

OPTOTRONIC Programmable Compact LED Drivers

OSRAM 57351 OPTOTRONIC OTi40W/120-277/1A4 DIM-1 40W Constant Current, 0-10V Dimmable LED Driver

Product Features

• Programmable Features:  
• • Output current
  • Dimming level
  • Dim-to-off
  • Soft Start
  • LED thermal protection
  • Vaux (12/20/24V)
  • Constant lumen output
  • End-of-life indicator
• Input Voltage:  120-277V (+/- 10%)
• Frequency Range:  50-60 Hz (+/- 5%)
• Max. Output Power (W):  40W
• Dimming Control:  0-10V (Isolated)
• Dimming Range:  1-100%
• Output Voltage (VDC):  8-55VDC
• Output Current (mA):  400-1400mA (1mA Step), Default 700mA
• Product Dimensions (L x W x H):  5.0″ x 2.4″ x 1.2″
• Product Weight:  7.8oz 
• Quantity:  1 
• UL Environmental Rating: Dry and Damp

Product Family Features

• Universal input voltage – 120–277VAC 50/60Hz
• UL Class 2 output for safe operation
• Protection against line voltage on 0-10 V dimming wires
• AUX output models available
• Custom programmable with 1mA resolution to perfectly match LED load and maximize performance
• Programming does not require powering up or connecting the power supply to AC line voltage
• Wide output current and voltage range
• Available in dimming to 1% with 0–10 V dimmers
• Integrated OEM programmable features include: constant lumen maintenance, end-of-life indication, LED thermal protection, Vaux (12V/20V/24V), soft start, and dim-to-off
• Available with mounting feet (F-style) or PEM studs (J-style) to simplify installation
• Conforms UL SREC for NTC based thermal protection