Waterproof Constant Current Source 30W-50W LED Switching Power
Supply
Product features
Universal full voltage input
Protection function: short circuit, overload, over temperature,
over voltage
Internal active power factor correction function, PF>0.92 (full
load)
Multiple output model is optional
UL1310 Class 2 power (except > 60Vdc)
Metal case, IP67 protection grade
Natural air cooling
Comply with national safety regulations and electromagnetic
compatibility standards
Suitable for all kinds of LED lighting and LED electronic display
3 years warranty
Technical specifications
Input voltage 90Vac~277Vac
Input frequency 47Hz~63Hz
Input current 0.9A largest
Inrush current Maximum 30A (cold start)
Starting time Maximum 2s (rated input voltage)
Constant current accuracy Maximum ±5%
Pressure I/P-O/P: 3750Vac, I/P-FG: 1875Vac
Operating temperature -35°C~+70℃
The derating curve Output full load at 60°C,Derogate at 70°C to 80%
load output
Storage temperature -40℃~+85℃
Protection function Short circuit, overload, over temperature, over
voltage
Overcurrent protection 95%- 105% fixed current limit, automatic
recovery
Safety standards UL8750, UL1310 Class 2, EN61347-1, EN61347-2-13,
UL1012,UL60950
Electromagnetic compatibility standard EN55015, EN61000-3-2,
3,EN61000-4-2,3,4,5,6,8,11, EN61547
Standard output wire UL Rated,18-16#AWG
Model in the list
EWP-30D Two way output series
| Model | Output voltage range(Vdc) | Maximum output current(A) | R&N(maximum)(V) | Effi.% | Maximum power(W) | Power factor |
| EWP-30D-200mA | 48-72 | 0.20*2 | 4.0 | 86 | 29 | 0.92 |
| EWP-30D-350mA | 33-42 | 0.35*2 | 3.0 | 85 | 29 | 0.92 |
| EWP-30D-500mA | 20-30 | 0.50*2 | 3.0 | 84 | 30 | 0.92 |
| EWP-30D-700mA | 15-21 | 0.70*2 | 2.5 | 84 | 29 | 0.92 |
| EWP-30D-900mA | 13-18 | 0.90*2 | 2.5 | 83 | 32 | 0.92 |
EWP-50T Three way output series
| Model | Output voltage range(Vdc) | Maximum output current(A) | R&N(maximum)(V) | Effi.% | Maximum power(W) | Power factor |
| EWP-50T-240mA | 48-72 | 0.24*3 | 4.5 | 87 | 52 | 0.95 |
| EWP-50T-350mA | 33-48 | 0.35*3 | 4.0 | 85 | 50 | 0.95 |
| EWP-50T-500mA | 20-33 | 0.50*3 | 4.5 | 85 | 49 | 0.95 |
| EWP-50T-700mA | 15-24 | 0.70*3 | 4.0 | 84 | 50 | 0.95 |
| EWP-50T-900mA | 13-18 | 0.90*3 | 3.5 | 84 | 49 | 0.95 |
