FONTE IT DIM 50/120-277/1A4 CS L - Osram

Electrical Specifications

INPUT
Nominal Voltage 120 – 277 V
Nominal frequency 50 / 60 Hz
AC voltage range 100 – 305 V
DC voltage range n/a V
Maximum voltage n/a VAC
AC Nominal current (120V) 0.53 A Full load, 120V, 60Hz
AC Nominal current (230V) 0.28 A Full load, 230V, 50Hz
AC Nominal current (277V) 0.23 A Full load, 277V, 60Hz
DC Nominal current n/a A
Total Harmonic Distortion (THD) < 20 % Full load, 100 – 277V 50/60Hz
Power factor > 0.9 Full load, 100 – 277V 50/60Hz
Efficiency 86 % full load, 230V, 50Hz without AUX 12V
No-load power n/a W
Stand-by power (NO AUX) 1 W
Protection class Class 2
Start-up time < 0.5 s Without dimmer
Leakage current < 0.7 mA
Inrush current 1 3.6 A pk twidth = 40 µs typical (measured at
50% Ipeak), 120V 60Hz
Inrush current 2 16.5 A pk twidth = 40 µs typical (measured at 50%
Ipeak), 277V 60Hz

OUTPUT
Nominal voltage range 12-55 V
Maximum voltage ≤ 59 V Open circuit
Nominal current 400 - 1400 mA
Output Current Overshoot < 10 %
Current accuracy +/- 5 %
Nominal power range 4.8 - 50 W Partial Load.
Maximum power 50 W Ta ≤ Max.
Galvanic isolation Class 2 3,75 kVrms. Output to mains - Touch
current ＜ 0.7mA
12V Auxiliary Output Voltage 10.8 - 13.2 V
12V Auxiliary Output Current 200 mA

DIM
Dimming control Yes 0 – 10V/PWM/R-SET
Dimming range 1 -100 %
Dimming technique Constant Current Reduction (CCR)
0 - 10V Input Absolute Voltage -2.0 - 15 V
PWM frequency 200 - 2K Hz
Galvanic isolation 0-10V/mains Class 2
Galvanic isolation 0-10V/output Class 2

ENVIRONMENT
Ambient temperature range ta -40 …+50 °C
Maximum case temperature tc 90 °C Measured on tc point indicated on the
product label.
Max. case temp. in fault
condition 110 °C
Storage temperature range -40…+85 °C
Relative humidity 5…95 % Not condensing
Ring Wave 2.5 kV common and differential mode
Environmental rating Indoor
Acoustic Noise < 24 dBA Class A at 1 meter.
IP rating IP 20 NEMA4 compliant for dry, damp.
Mains switching cycles > 100’000
Expected lifetime 50,000 hrs @Tc = 80 °C, 10% failure rate

PROTECTIONS
Over temperature Yes
Overload Yes Automatic, reversible
No load Yes Limitation of Output voltage ≤ 59 V
Short-circuit Yes Automatic, reversible
Output overvoltage Yes Limitation of Output voltage ≤ 59 V