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LED power supply | Tridonic LC 20W 80–500mA 54V o4a NF h16 EXC4
The Tridonic LC 20W 80–500mA 54V o4a NF h16 EXC4 is a compact constant current LED power supply with 1–100% dimming. It supports DALI‑2, DSI, switchDIM, corridorFUNCTION and NFC programming, ideal for linear and area office luminaires.
1-3 dni (PL), 3-10 dni (non-PL)
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Technical data – LED power supply Tridonic LC 20W 80–500mA 54V
| Manufacturer | Tridonic |
| Series | excite NFC, 16 mm |
| Model | LC 20/80-500/54 o4a NF h16 EXC4 |
| Article number | 28004632 |
| Output power range | 1.2–20 W |
| Output current range | 80–500 mA (1 mA steps) |
| Output voltage range | 15–54 V DC |
| Maximum output voltage U-OUT | 60 V DC |
| Supply voltage | 220–240 V AC |
| AC voltage range | 198–264 V AC |
| DC voltage range | 176–280 V DC |
| Mains frequency | 0 / 50 / 60 Hz |
| Typical efficiency | up to 86.2% |
| Stand‑by power | < 0.15 W |
| THD at full load | < 8% |
| Power factor | up to 0.98 |
| Dimming range | 1–100% (min. 5 mA) |
| Control interfaces | DALI‑2 DT6, DSI, switchDIM, corridorFUNCTION |
| Communication | NFC, lumDATA (DALI‑2 251/252/253) |
| Protection class | I and II |
| Protection type | IP20 |
| Ambient temperature ta | -20…+60 °C (depending on current) |
| Maximum tc point | up to 75 °C |
| Rated lifetime | up to 100,000 h |
| Guarantee | 5 years |
| Dimensions | 280 × 30 × 16 mm |
| Housing | low profile ML300 housing, white |
| Safety features | overtemperature, short‑circuit, overload, no‑load |
| Standards | EN 61347-1, EN 61347-2-13, EN 62386-207 DALI‑2 and others |
| Product website | http://www.tridonic.com/28004632 |
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LED power supply Tridonic – wide current range 80–500 mA
This LED power supply is designed for flexible use in linear and area luminaires. The output current can be set between 80 and 500 mA in precise 1 mA steps. Configuration is done via NFC or DALI using companionSUITE or masterCONFIGURATOR software. This allows perfect matching to many different LED modules.
The maximum output power of 20 W and up to 54 V output voltage cover typical office and corridor applications. A wide operating window simplifies new luminaire designs and retrofit projects. You can optimise efficiency and lifetime by choosing the right operating point.
LED power supply with DALI‑2, DSI, switchDIM and corridorFUNCTION
The power supply supports DALI‑2 DT6 and DSI for digital control and integration with lighting systems. Local control via switchDIM allows on, off and dimming using a standard pushbutton. The dimming range from 1 to 100% uses amplitude dimming for flicker free operation.
The corridorFUNCTION enables energy saving lighting in corridors and circulation areas. Together with a motion detector, the power supply can provide full light on presence and reduced level in standby. Parameters like brightness levels and delay times are freely configurable. Features like fade2zero and power up fading improve visual comfort.
LED power supply with NFC, lumDATA and long lifetime
The integrated NFC interface allows fast programming without wiring. Several units inside one carton can be programmed in one step with suitable antennas. lumDATA support according to DALI‑2 parts 251, 252 and 253 provides luminaire, energy and diagnostic data. Facility managers gain better insight and control over the lighting installation.
The slim 16 mm ML300 housing fits into narrow profiles and office luminaires. High efficiency and very low stand‑by power reduce operating costs. Lifetime up to 100,000 hours and a 5 year guarantee ensure reliable operation. Compliance with EN 50172 and EN 60598‑2‑22 makes this power supply suitable for emergency lighting systems.
Data sheet
- Power supply type
- Constant Current (CC)
- Rated power [W]
- 15,1-20
- Min. output voltage of led driver (CC)
- 10-19V
- Max. output voltage of led driver (CC)
- 50-59V
- Dimming / Control
- DALI / DSI / SwitchDIM
- IP grade
- 20
- Case material
- Metal
- Length [mm]
- 280
- Width [mm]
- 30
- Height/thickness [mm]
- 16
- Warranty [years]
- 3