eldoLED OPTOTRONIC® OTi 40W Compact Programmable LED Driver

The eldoLED OTi 40W Compact is a programmable constant current LED driver designed for architectural and commercial applications. With a wide output current range of 400–1400mA and support for isolated 0–10V dimming, it offers flexibility, performance, and compatibility in a compact housing. Available in both F-style and J-style enclosures, it includes features such as thermal protection, dim-to-off, and auxiliary power output on select models.

Key Features

• Programmable output current: 400–1400mA (1mA steps)
• Default output: 700mA
• Max output power: 40W
• Output voltage range: 8–55V DC
• 0–10V isolated dimming down to 1% with dim-to-off
• Soft start and constant lumen output
• LED thermal protection with NTC input
• Over-voltage, overload, short-circuit, and thermal foldback protection
• Aux models support 12V/20V/24V configurable auxiliary output

Technical Specifications

• Input Voltage: 120–277V AC ±10%
• Frequency: 50–60Hz
• Input Current: 0.41A @ 120V, 0.18A @ 277V
• THD: <20%
• Power Factor: >0.9
• Efficiency: ≥87% @ full load
• Output Power: 40W max
• Output Ripple: <20% @ 1400mA
• Load Regulation: <3%
• LED Start Time: <0.5 sec (CA T24 compliant)
• Inrush Current: 6.7A @ 120V, 15.6A @ 277V
• Dimming Range: 1–100%
• Dim-to-Off Threshold: OFF <0.7V / ON >1V
• NTC Range: ≤25kΩ (programmable derating supported)
• Aux Output (AUX Models): 12/20/24VDC, 1W max

Certifications & Compliance

• UL Class P Listed
• Dry and Damp Location Rated
• FCC Part 15 Class A Compliant
• RoHS Compliant
• Transient Protection: NEMA SSL 1-2010 (2.5kV)
• Sound Rating: Class A
• 5-Year Limited Warranty @ Tc ≤80°C