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Rectangular black electronic ballast with side connectors and label showing model 79471

SYLVANIA

SYLVANIA 79471 OTi-85/120-277/2A5-Dimlt2-L ballast

SKU CH-DA07-YWCJ3

Programmable linear LED power supply delivering 85 W with 0-10 V dimming from 10 to 100 per cent and thermal protection

  • Programmable constant-current output matches LED load precisely
  • 85 watt total power drives high-output linear fixtures
  • 0-10V dimming from 10 to 100 percent range
  • LED thermal protection prevents overheating damage
  • Universal 120-277V input suits commercial installations

Programmable Linear LED Power Supply

The Osram Optotronic OTi85/120-277/2A6 DIM LT2 L is a programmable constant-current driver built for linear LED installations. It delivers 85 watt total output power and accepts a 120-277V input range for commercial and architectural lighting projects.

85 watt output with 2000-2600 mA range

The driver provides an adjustable output current from 2000 to 2600 mA and operates across a 20-55V output voltage window. It comfortably handles medium-power linear arrays but runs out of headroom for high-current or high-voltage LED strings beyond these limits.

0-10V dimming from 10 to 100 percent

Dimming control uses a standard 0-10V interface with a 10-100% dimming range and includes LED thermal protection. The protocol does not support dim-to-off or digital addressable control, so it cannot integrate with DALI or DMX systems without additional converters.

Highlights

  • Programmable constant-current output matches LED load precisely
  • 85 watt total power drives high-output linear fixtures
  • 0-10V dimming from 10 to 100 percent range
  • LED thermal protection prevents overheating damage
  • Universal 120-277V input suits commercial installations

Specifications

BrandOsram

Questions about this item

Will the 79471 ballast power my existing LED modules that run at 2000-2600 mA and 20-55V?

Yes, the programmable constant-current output covers 2000-2600 mA across a 20-55V window, matching modules within that range.

How can I verify the 0-10V dimming is functioning correctly after installation?

Apply a 0-10V control signal; the output should scale smoothly from 10% to 100% of the programmed current.

Does the 79471 package include the programming tool or cable needed to set the output current?

The supplied unit is the power supply only; a separate programming interface must be obtained to configure the 2000-2600 mA setting.

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