LCA 25W 350–1050mA one4all SR PRE

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Tridonic LED Driver LCA 25W 350–1050mA one4all SR PRE with Article Number: 28000671

  • Independent dimmable LED Driver
  • Dimmable via DALI / DALI-2
  • Dimming range 1 – 100 % (whole operating window)
  • Output current adjustable between 350 – 1,050 mA via ready2mains Programmer, I-SELECT 2 plugs or DALI
  • Max. output power 25 W
  • Up to 90 % efficiency
  • Power input on stand-by < 0.15 W
  • Nominal life-time up to 100,000 h
  • 5-year guarantee
Rated Supply Voltage

230 – 240 V

Type of Protection

Dimming range

Max. output voltage (U-OUT)

Output current tolerance

Switchover time (AC/DC)

Starting time (DC mode)


AC voltage range


Typ. power input on stand-by


Overvoltage protection

Mains Frequency

0 / 50 / 60 Hz

DC voltage range

Life time

Output Current (mA)

350mA, 400mA, 450mA, 500mA, 550mA, 600mA, 650mA, 700mA, 750mA, 800mA, 850mA, 900mA, 950mA, 1000mA, 1050mA

Output Power

Housing properties

  • Casing: polycarbonate, white
  • Type of protection IP20
  • Strain relief with loop through function


  • one4all (DALI-2 DT 6, DSI, switchDIM, corridorFUNCTION)
  • ready2mains (configuration and dimming via mains)
  • Terminal blocks: 0° / 45° push terminals (input / output)


  • Adjustable output current (DALI, ready2mains, I-SELECT 2)
  • Constant light output function (CLO)
  • Power-up fading at AC
  • Configurable via ready2mains
  • Service monitor to log certain events
  • Protective features (overtemperature, short-circuit, overload, no-load, input voltage range, reduced surge amplification)
  • Suitable for emergency escape lighting systems acc. to EN 50172
  • For cable cross-sections up to 2.5 mm²


  • Application-oriented operating window for maximum compatibility
  • Best energy savings due to low stand-by losses and high efficiency
  • Flexible configuration via DALI, ready2mains and I-SELECT 2
  • No tools required for installation

Typical applications

  • For downlight, spotlight and decorative applications


LCA 25W 350–1050mA one4all SR PRE Datasheet

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