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RATIO Control Solutions


  • DALI bus power supply for use with RATIO architectural scene control components and DALI 2.0 or 1.0 compatible control gear devices (i.e. LED drivers, fluorescent ballasts)
  • Integral 16 A DALI addressable relay for switching lighting and other loads. Not suitable for plug receptacle load control
  • Requires RATIO controls and DALI compatible devices. Supports up to 100 mA bus power
  • A second PP-DALI-PSR can be wired in parallel to provide an additional 100 mA bus power (for 200 mA total). Do not connect more than two PP-DALI-PSR, or a PP-DALI-PSR with a different DALI bus power supply, to a single DALI bus. This could result in permanent damage to the connected RATIO and DALI devices
  • Integral relay output is a maintained contact closure, normally open (N.O.)
  • Relay opened and closed by recalling scene levels 100% or 0, or toggle on/off commands using RATIO controls. Configured via the RATIO Bluetooth Android or iOS smartphone app
  • Mounts on a standard junction box through a ½ inch trade size knockout. Two lock nuts included
  • Plenum rated
  • Status and fault LED for easy troubleshooting
  • Integral short circuit and thermal protection
  • 5 years limited warranty
  • ROHS and REACH compliant
  • Indoor applications:
    Conference Rooms
    Private Offices
    Media Rooms
    Lecture Halls
    Hotel Ballrooms and Meeting Rooms


   Type Part no.   
   PP-DALI-PSR 97217   
   Technical data
  • Power Supply: 120-277 VAC ± 10%, 60 Hz
  • Relay Switching Power: 16.0 A @ 120-277 VAC
  • Power consumption: 3.3 W
  • Maximum supply current: 100 mA
  • DALI Output voltage: typ. 16 V DC (UL Class II Low Voltage)
  • Operating temperature: -13 °F to 122 °F/ -25 °C to +50 °C
  • Housing: UV- and shock resistant 5VA material
  • Protection: Suitable for indoor use and dry locations only, Non-Condensing
  • Pollution degree: 2
  • Control Action: Type 1
  • Dimensions:
    3.35 x 3.27 x 1.5 inch /
    86 x 83 x 38 mm
  • Compliances: ETL listed for the U.S. and Canada (UL STD 60730-1 and CSA STD E60730-1). UL 2043 plenum rated.

   Downloads PP-DALI-PSR
  Specification Details [...]

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