eldoLED OPTOTRONIC® OTi 40W 347V Compact Programmable LED Driver

The eldoLED OPTOTRONIC OTi 40W 347V is a compact programmable LED driver delivering reliable dimming, output control, and thermal protection. Designed for 347V input applications, this UL Class P driver supports true 1% dimming via 0–10V, features advanced dimming protection, and provides auxiliary power on select models for sensor integration.

Key Features

• Programmable output current: 400–1400mA (1mA steps), 700mA default
• Maximum output power: 40W (39W LED + 1W AUX for AUX models)
• Output voltage range: 8–55VDC
• 0–10V dimming interface with true 1% dimming and dim-to-off
• Advanced thermal foldback and constant lumen maintenance
• Configurable AUX output: 12V / 20V / 24V, 1W max
• High efficiency: ≥88% @ full load
• Compact F-style and J-style housing available
• NTC input for LED thermal protection
• FCC Part 15 Class A, IP20 rated, RoHS compliant

Electrical Specifications

• Input Voltage: 347V AC ±10%
• Frequency: 50–60Hz
• Input Current: 0.15A
• Power Factor: >0.9 @ full load
• THD: <10% @ full load
• Efficiency: ≥88%
• Inrush Current: 12.8A peak
• Ripple Current: <20% @ 1400mA
• Overvoltage / Overload / Short-Circuit Protection: Yes (non-latching)
• LED Startup Time: <0.5 sec (CA Title 24 compliant)

Mechanical Specifications

• F-Style Housing: 4.3″ L × 2.4″ W × 1.2″ H (Mount: 4.5″)
• J-Style Housing: 4.2″ L × 2.4″ W × 1.2″ H (Mount: 2.0″)
• Max Remote Mounting Distance: 16 feet
• Operating Temp: -40°C to +50°C
• Storage Temp: 75°C
• Max Case Temp (Tc): 90°C (Rated 80°C for 50,000 hrs)
• Humidity: Max 85% RH (non-condensing)

Certifications & Compliance

• UL Class P Listed (File E333135)
• FCC Part 15 Class A EMI
• RoHS Compliant
• Dry and Damp Location Rated
• NEMA SSL 1–2010 Transient Protection (2.5kV)
• Complies with NEMA 410 Inrush Requirements
• Sound Rating: Class A
• IP20 Rated
• 5-Year Warranty (at Tc ≤80°C)