Tridonic LC 45W 450-1050mA 54V o4a NF SR EXC3: Constant Current DALI LED Driver (Article Number: 87500923) -IP20

Immediately available

Tridonic LC 45W 450-1050mA 54V o4a NF SR EXC3: Constant Current DALI LED Driver (Article Number: 87500923) -IP20

Immediately available

Brand: Tridonic

Dimming Signal: DALI 

Rated Supply Voltage: 220 - 240 VAC

Output Current (mA): 450-1050

Application: Indoor Application

Operating Mode: Constant Current

Protection Type: IP20

Output Power (W): 45

The LC 45W LED driver is an independent constant current driver, dimmable via DALI-2 or NFC, offering a dimming range from 1 to 100%. With adjustable output current from 450 to 1050 mA, it provides up to 45 W of power with high efficiency and a nominal lifetime of up to 100,000 hours. Featuring protective functions and strain relief, it’s suitable for various lighting applications, including downlights and decorative luminaires, with flexible configuration options via companionSUITE for enhanced compatibility.

Product information "Tridonic LC 45W 450-1050mA 54V o4a NF SR EXC3: Constant Current DALI LED Driver (Article Number: 87500923) -IP20"

Product description

  • Independent constant current LED driver
  • Dimmable via DALI-2
  • Dimming range 1 to 100 % (min. 5 mA)
  • Output current adjustable between 450 – 1,050 mA with DALI or NFC
  • Max. output power 45 W
  • Up to 88 % efficiency
  • Power input on stand-by < 0.5 W
  • Nominal lifetime up to 100,000 h
  • 5 years guarantee (conditions at https://www.tridonic.com/manufacturer-guarantee-conditions)

Housing properties

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

Interfaces

  • Near field communication (NFC)
  • one4all (DALI-2 DT 6, switchDIM, corridorFUNCTION V2)

Functions

  • Adjustable output current in 1-mA-steps (NFC, DALI-2)
  • Constant light output function (CLO)
  • Protective features (overtemperature, short-circuit, overload, no-load)
  • Surge protection voltage 1 kV (L – N)
  • Suitable for emergency escape lighting systems acc. to EN 50172
  • For cable cross-sections up to 2.5 mm²

Benefits

  • Flexible configuration via companionSUITE (NFC, DALI-2)
  • Application-oriented operating window for maximum compatibility

Typical applications

  • For applications in downlight and decorative luminaires

Common data

Rated supply voltage 220 – 240 V
AC voltage range 198 – 264 V
DC voltage range 176 – 270 V
Mains frequency 0 / 50 / 60 Hz
Overvoltage protection 320 V AC, 48 h
Typ. rated current (at 230 V, 50 Hz, full load)  229 mA
Typ. current (220 V, 0 Hz, full load, 100 % dimming level)  240 mA
Leakage current (at 230 V, 50 Hz, full load)  < 0.7 mA
Typ. input current in no-load operation < 28 mA
In-rush current (peak / duration) 10 A / 50 µs
Max. input power 51.1 W
Typ. power consumption on stand-by  < 0.5 W
Typ. input power in no-load operation 0.9 W
Typ. efficiency (at 230 V, 50 Hz, full load)  88 %
λ (at 230 V, 50 Hz, full load) 0.95
THD (at 230 V, 50 Hz, full load)  < 10 %
Starting time (stand-by)  < 0.5 s
Starting time (at 230 V, 50 Hz, full load)  < 0.66 s
Starting time (DC mode)  < 0.4 s
Switchover time (AC/DC)  < 0.4 s
Turn off time (at 230 V, 50 Hz, full load) < 0.2 s
Output current tolerance  ± 5 %
Max. output current peak (non-repetitive) ≤ output current + 20 %
Output LF current ripple (< 120 Hz) ± 5 %
Output P_ST_LM (at full load) ≤ 1
Output SVM (at full load) ≤ 0.4
Max. output voltage (U-OUT) 60 V
Dimming range 1 – 100 % (min. 5 mA)
Mains surge capability (between L – N) 1 kV
Mains surge capability (between L/N – PE) 2 kV
Surge voltage at output side (against PE) 3 kV
Type of protection IP20
Length 160 mm
Width 82 mm
Height 34 mm
Lifetime up to 100000 h
Guarantee 5 years
(1) Valid at 100 % dimming level.
(2) Depending on the selected output current.
(3) Depending on the DALI traffic at the interface.
(4) Valid at 100 % dimming level (for DC the value may differ).
(5) Valid for immediate change of power supply type otherwise the starting time is valid.
(6) Output current is mean value.

Technical Data

Type

Article number

Output current 

Min. output voltage

Max. output voltage

Typ. current consumption (at 230 V, 50 Hz, full load)

Max. output power

Typ. power consumption (at 230 V, 50 Hz, full load)

Ambient temperature ta

tc point max
LC 45/450-1050/54 o4a NF SR EXC3 87500923 450.0 mA 27 V 54 V 133 mA 24.3 W 27.6 W -20 – 50 °C 65.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 500.0 mA 27 V 54 V 143 mA 27 W 30.6 W -20 – 50 °C 65.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 600.0 mA 27 V 54 V 167 mA 32.4 W 36.5 W -20 – 50 °C 70.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 700.0 mA 27 V 54 V 192 mA 37.8 W 42.5 W -20 – 50 °C 70.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 800.0 mA 27 V 54 V 218 mA 43.2 W 48.6 W -20 – 50 °C 70.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 900.0 mA 27 V 50 V 228 mA 45 W 50.5 W -20 – 50 °C 75.0 °C
LC 45/450-1050/54 o4a NF SR EXC3 87500923 1050.0 mA 27 V 42.9 V 229 mA 45 W 51.1 W -20 – 50 °C 75.0 °C

Documents

Datasheet
Tridonic LC 45W 450-1050mA 54V o4a NF SR EXC3: Constant Current DALI LED Driver

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