eldoLED OPTOTRONIC® OTi 55W Compact Programmable LED Driver

The eldoLED OPTOTRONIC OTi 55W Compact is a powerful and programmable LED driver offering up to 2000mA output current, architectural-grade 0–10V dimming, and configurable AUX output. Ideal for high-performance luminaires in commercial spaces, it provides constant current control, thermal protection, and true 1% dimming, all within a compact and UL Class P certified package.

Key Features

• Programmable Output Current: 700–2000mA (1mA steps), 1000mA default
• Output Voltage Range: 10–55VDC
• Maximum Output Power: 55W
• 0–10V Isolated Dimming (1–100%) with Dim-to-Off
• Thermal Protection via NTC Sensor Input
• AUX Output Options: 12V / 20V / 24V (1W max)
• Soft Start, Constant Lumen Maintenance, and End-of-Life Indicator
• FCC Class A EMI, UL Class P, IP20, and RoHS Compliant

Electrical Specifications

• Input Voltage: 120–277VAC ±10%
• Frequency: 50–60Hz
• Input Current: 0.6A @ 120V, 0.26A @ 277V
• Power Factor: >0.9
• THD: <20%
• Efficiency: ≥88% @ 120V / ≥89% @ 277V
• Inrush Current: 12.6A @ 120V / 15.9A @ 277V
• Ripple Current: <20% @ 2000mA
• Line/Load Regulation: <3%
• Startup Time: <0.5 seconds (CA T24 Compliant)
• Standby Power: <1W

Mechanical & Environmental

• Operating Temperature: -30°C to +45°C
• Storage Temperature: 75°C
• Max Case Temp (Tc): 90°C (75°C for 50k hrs)
• Relative Humidity: 85% RH (non-condensing)
• Housing: F-Style (4.3") or J-Style (4.2")
• Mounting Distance: Up to 16 feet
• IP Rating: IP20

Certifications & Compliance

• UL Class P Listed – File #E333135
• FCC Part 15 Class A
• RoHS Compliant
• NEMA SSL 1-2010 Transient Protection (2.5kV)
• Complies with NEMA 410 Inrush Requirements
• Sound Rating: Class A
• 5-Year Limited Warranty (at Tc ≤ 75°C)