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eldoLED  |  SKU: OTi25W-347-1A2-DIM-1-AUX

OTI 25W 347V 1A2 1DIM AUX DIM-1 J20 Optotronic

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Description

The eldoLED OPTOTRONIC OTi 25W 347V Compact is a high-performance programmable LED driver designed for demanding architectural and commercial lighting applications. Its compact design packs advanced features, including 0–10V isolated dimming with dim-to-off capability, NTC thermal foldback, and an optional auxiliary output for sensors or controls. With a wide output range of 150–1250mA and maximum output power of 25W, this driver provides precise, constant current control to ensure consistent illumination and energy efficiency. Perfect for retrofits, new installations, and systems requiring programmable flexibility, the OTi 25W 347V Compact combines reliability with intelligent thermal protection for long-lasting performance.

Ideal for architects, lighting designers, and facility managers, this driver supports 347V input systems and delivers true 1% dimming resolution. Its programmable output allows customization in 1mA increments, while built-in protections against over-voltage, short-circuit, overload, and thermal foldback safeguard both LEDs and drivers. The optional auxiliary output enables powering of sensors, switches, or low-power devices, adding versatility to modern lighting systems. With UL and FCC compliance, IP20 rating, and a 5-year warranty, the OTi 25W 347V Compact guarantees safe, efficient, and high-quality performance for a wide range of indoor lighting projects.

Key Features & Benefits

  • Programmable Constant Current Output: 150–1250mA output in 1mA increments for precise LED control.

  • Advanced Dimming Capability: 0–10V isolated dimming with true 1% dim-to-off functionality.

  • Thermal & Electrical Protection: NTC input for LED thermal foldback, plus overload, short-circuit, and over-voltage safeguards.

  • Optional Auxiliary Output: Configurable 12V/20V/24V output for sensors, switches, or low-power devices.

  • Compact & Certified: Small footprint with UL Class P, FCC Class A, IP20 rating, and 5-year warranty.

Specifications

Attribute Specification
Product Code OTi 25W 347V Compact
Input Voltage 347V AC ±10%
Input Frequency 50–60Hz
Input Current 0.11A
Power Factor ≥0.9
THD <15%
Efficiency ≥86%
Programmable Output 150–1250mA (1mA increments)
Output Voltage Range 8–55V DC
Max Output Power 25W (24W LED + 1W AUX)
Ripple Current <20%
Inrush Current 13.3A peak
Dimming Control Isolated 0–10V, 1% dim-to-off
Startup Time <0.5 sec
NTC Input ~25kΩ
Aux Output (AUX models) 12/20/24V, 1W max
Operating Temperature -40°C to +50°C
Case Temperature (Tc) Max 90°C (80°C for 5-year warranty)
Storage Temperature 75°C
Humidity 85% RH, non-condensing
Housing Options F-style: 4.3″ × 2.4″ × 1.2″ / J-style: 4.2″ × 2.4″ × 1.2″
Mounting F: 4.5″, J: 2.0″ mounting centers
IP Rating IP20 (indoor)
Certifications & Compliance UL Class P Listed (E333315), FCC Part 15 Class A, RoHS Compliant, NEMA SSL 1-2010 Transient Protection (2.5kV)
Sound Rating Class A
Warranty 5-Year (at Tc ≤80°C)

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