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LED power supply | Tridonic LCA 75W 900–1800mA one4all lp PRE
Tridonic LCA 75W 900–1800mA one4all lp PRE is a professional constant current led power supply with up to 75 W output and wide 900–1800 mA range. It supports DALI‑2, DSI, switchDIM, corridorFUNCTION and ready2mains, offers up to 91% efficiency and lifetime up to 100,000 h. Perfect for linear and area office luminaires and emergency lighting systems.
1-3 dni (PL), 3-10 dni (non-PL)
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LED power supply Tridonic LCA 75W 900–1800mA one4all lp PRE – technical data
| Maximum output power | 75 W |
| Output current range | 900–1800 mA (1 mA steps) |
| Output voltage | 20–60 V DC (depending on current) |
| Type | Built‑in constant current led power supply, SELV |
| Input voltage | 220–240 V AC |
| AC voltage range | 198–264 V |
| DC voltage range | 176–280 V |
| Mains frequency | 0 / 50 / 60 Hz |
| Typical efficiency | up to 91% |
| Max. input power | 83 W |
| Stand‑by power | < 0.15 W |
| Power factor λ | 0.98 (230 V, full load) |
| THD | < 8.2% |
| Dimming range | 1–100% |
| Control interfaces | DALI‑2 DT6, DSI, switchDIM, corridorFUNCTION, ready2mains |
| Functions | CLO, fade2zero, power‑up fading, IVG, service monitoring |
| Protection class | For class I and II luminaires |
| IP rating | IP20 |
| Housing | Low profile metal, white cover |
| Dimensions | 360 × 30 × 21 mm |
| Ambient temperature ta | -25…+65°C (depending on current) |
| Max. tc temperature | up to 85°C |
| Lifetime | up to 100,000 h |
| Manufacturer warranty | 5 years |
| Applications | Linear and area office luminaires, emergency lighting |
| Product website | http://www.tridonic.com/28000660 |
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LED power supply Tridonic LCA 75W – flexible configuration
The led power supply Tridonic LCA 75W 900–1800mA one4all lp PRE offers a wide operating window. Output current can be set in precise 1 mA steps. Configuration is possible via DALI, ready2mains and the I‑SELECT 2 interface. One power supply can cover many linear and panel module variants. This reduces stock keeping and simplifies luminaire design.
High efficiency up to 91% minimizes energy losses in the system. The high power factor and low THD help meet building standards. The Constant Light Output function compensates LED lumen depreciation over time. This keeps illuminance stable without oversizing the installation.
LED power supply with DALI-2 one4all – advanced control
The led power supply supports DALI‑2 DT6, DSI, switchDIM and corridorFUNCTION. This enables flexible lighting control in offices and circulation areas. Dimming is realized by amplitude control with a 1–100% range. The dimming curve is optimized for human eye perception.
The ready2mains interface allows configuration and dimming via mains wiring. This is very useful in retrofit projects with limited cabling options. The power supply works with companionSUITE and masterCONFIGURATOR tools. They simplify mass programming and diagnostics in OEM production.
LED power supply for office and emergency lighting
The unit is ideal for slim linear and area luminaires in offices and corridors. The 21 mm low profile metal housing fits narrow channels and flat panels. IP20 rating and push terminals allow easy integration inside the luminaire. The product is suitable for emergency lighting systems according to EN 50172 and EN 60598‑2‑22.
Integrated protections cover overtemperature, overload, short‑circuit and no‑load operation. Intelligent Voltage Guard monitors under and overvoltage on the mains. Low stand‑by consumption supports energy efficient building concepts. With long lifetime and a five year warranty it is a reliable choice for professional projects.
Data sheet
- Length [mm]
- 360
- Width [mm]
- 30
- Height/thickness [mm]
- 21
- Power supply type
- Constant Current 350mA, 700mA,... (CC)
- Rated power
- 75W
- Output Current of power supply (CC)
- 900 - 1800mA (Resistor / prog)
- Output voltage range (CC)
- 20 - 50V
- Rated power
- 70,1 - 80W
- Min. output voltage of led driver (CC)
- 20-19V
- Max. output voltage of led driver (CC)
- 50-59V
- Dimming
- Possible
- Way/protocol of dimming
- DALI/DSI/SwitchDIM (1 - 100%)
- Life span
- up to 100 000h
- IP grade
- IP20
- Case type of power supply
- Liniowa
- Warranty
- 5 years