LED Driver


320W / USCO320210GA

Highlights & Features

  • Constant current design
  • Universal AC input voltage from 99-305Vac
  • High efficiency up to 95%
  • Wide operating temperature range -40oC ~ +60oC
  • With IP67 protection for most outdoor applications
  • Built-in Active PFC and conforms to harmonic current IEC/EN 61000-3-2, Class C
  • Adjustable constant current level through program tool
  • Common mode 6kV and differential mode 6kV surge immunity
  • Suitable for Dry / Damp / Wet location
  • 5 years warranty
Dimensions (L x W x D) : 
240 x 100 x 38 mm
9.45" x 3.94" x 1.50"
Unit Weight : 
2 kg (4.41 lb)
Output Power
Line Regulation
± 1% (@ 110-277Vac input)
Load Regulation
± 3% (@ Min-Max output voltage)
Start-up Time
500ms max. @ 110-277Vac (full load)
Hold-up Time
16ms typ. @ 110-277Vac (full load)
Output Voltage Range
Nominal Input Voltage
110-277Vac (99-305Vac)
Nominal Input Frequency
50-60Hz (47-64Hz)
Efficiency at 100% load
120Vac: 93.0%@1.4A typ.
230Vac: 94.5%@1.4A typ.
277Vac: 94.5%@1.4A typ.
Power Factor at 100% load
>0.98@110/120Vac, >0.95@230Vac, >0.92@277Vac;
Leakage Current
<0.7mA peak @ 277Vac
Total Harmonic Distortion
THD<20% with load≧50% at 110/120/230Vac input and load≧75% at 277Vac input
240 x 100 x 38 mm
9.45" x 3.94" x 1.50"
Unit Weight
2 kg (4.41 lb)
Input: Line: Brown, Neutral: Blue, PE: Yellow/Green, Cable Length 300mm
Output: Positive: Brown, Negative: Blue; NTC/PRG: Black; Cable Length 300mm
Dimming: Dim(+): Violet, Dim(-): Gray, +12V: Black/White, Cable Length 300mm
Noise Sound Pressure Level (SPL)
< 24dbA (30cm distance)
Operating Temperature
-40°C~ +50°C
Storage Temperature
-40°C to +85°C
Power De-rating
>60°C(75/100/150/200W), >55°C(250W), >50°C(320W) de-rating power & <110Vac de-rating power“
Operating Humidity
10 to 90% RH (Non-Condensing)
Shock Test (Non-Operating)
IEC 60068-2-27, Half Sine Wave: 50G for a duration of 11ms, 3 shocks for each 3 directions
Vibration Test (Non-Operating)
IEC 60068-2-6, Random: 5Hz to 500Hz (2.09G); 20 min per axis for all X, Y, Z direction
226-250Vdc, Auto-Recovery when the fault is removed
Overload / Overcurrent
Reduce output current. Auto-Recovery when the fault is removed
Over Temperature
Reduce output current. Auto-Recovery when the fault is removed
Short Circuit
Auto-Recovery when the fault is removed
500 khours at ta=+50°C (75-250W), ta=+45°C (320W), Telcordia SR-332
Safety Certificate
CB scheme to IEC 61347-1, IEC 61347-2-13 (independent)
ENEC to EN 61347-1, EN 61347-2-13
UL/cUL (cRUus) to UL 8750, type”HL” & type”TL”
Compliance to IEC/EN/UL 60950-1
SELV for 75W
In conformance with EMC Directive 2004/108/EC and Low Voltage Directive 2006/95/EC
Galvanic Isolation
See datasheet
Compliance to EN 55015:2013 Class B; 47 CFR FCC Part 15, Subpart B, Class B
Compliance to EN 61547:2009
Harmonic Current Emissions
IEC 61000-3-2:2014
Voltage Fluctuation and Flicker
IEC 61000-3-3:2013


Datasheet Uploaded on 01-Feb-2019 2.5 MB
GUI Program Uploaded on 01-Jul-2019 19.1 MB
Mechanical Drawing Uploaded on 01-Feb-2019 620 KB
.STP Uploaded on 01-Feb-2019 1.6 MB
Image Uploaded on 25-Feb-2019 39 KB


CB Uploaded on 11-Mar-2019 169 KB
CE Uploaded on 11-Mar-2019 74 KB
ENEC Uploaded on 11-Mar-2019 1.0 MB
REACH Uploaded on 11-Mar-2019 501 KB
RoHS Uploaded on 11-Mar-2019 89 KB
UL Uploaded on 11-Mar-2019 106 KB
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