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

Areas of Application
Downlights, In-grade fixtures, Recessed troffer, Wall Washing