eldoLED OPTOTRONIC® OT12 Dual Dim-1 LED Driver

The OPTOTRONIC OT12 Dual Dim-1 is a compact 12W programmable constant current LED driver featuring both 0–10V and phase-cut dimming. With a wide output current range of 100–300mA and compatibility with F-style and J-style housings, it is ideal for tight-space commercial applications requiring advanced dimming, thermal protection, and 5-year reliability.

Key Features

• Programmable output current: 100–300mA (1mA resolution)
• Output voltage range: 26–42VDC
• Max output power: 12W
• Dimming: 0–10V and phase-cut (forward & reverse)
• Dim-to-off at 0.6V / turn-on at 1V
• NTC thermal foldback at 95°C
• UL Class P listed, IP20 rated, RoHS compliant
• Compact design: F-style (3.98″) or J-style (3.56″)
• FCC Part 15 Class A & B compliant
• Lifetime: 50,000 hrs @ 80°C Tc

Electrical Specifications

• Input Voltage: 120–277VAC ±10%
• Frequency: 50–60Hz
• Input Current: 0.12A @ 120V, 0.06A @ 277V
• Efficiency: ≥81% @ 120V, ≥80% @ 277V
• THD: <20%
• Power Factor: >0.9 @ full load
• Ripple Current: <30%
• Overload, Overvoltage, and Short Circuit Protection: Yes (non-latching)
• Startup Time: <0.5 sec
• Inrush Current: 4.2A @ 120V, 10.1A @ 277V

Mechanical Specifications

• F-Style Housing: 3.98″ L × 1.22″ W × 1.0″ H
• J-Style Housing: 3.56″ L × 1.31″ W × 1.0″ H
• Mounting Distance: Up to 16 feet
• Wire Leads: AWG18 for input/output, AWG22 for DIM/PRG
• Case Temperature (Tc): 80°C rated, 90°C max
• Ambient Operating Temp: -30°C to +50°C
• Storage Temp: 75°C max
• Humidity: 85% RH, non-condensing

Certifications & Compliance

• UL Class P Listed (E333135)
• FCC Part 15 Class A & B
• RoHS Compliant
• Dry and Damp Location Rated
• IP20 Protection Rating
• Complies with NEMA 410 Inrush Standards
• Sound Rating: Class A
• 5-Year Limited Warranty @ 80°C Tc