Chengdu Haoli Electronic Technology Co.,Ltd.
| Input voltage | 90Vac~277Vac |
| Input current | 0.9A largest |
| Constant current accuracy | Maximum ±5% |
| Pressure | I/P-O/P: 3750Vac, I/P-FG: 1875Vac |
| Safety standards | UL8750, UL1310 Class 2, EN61347-1, EN61347-2-13, UL1012,UL60950 |
| Standard output wire | UL Rated,18-16#AWG |
| Brand Name | HAOLI |
| Model Number | EWP-30D/EWP-50T Series |
| Certification | CE，ISO9001，ROHS |
| Place of Origin | ChengDu |
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Product Specification
| Input voltage | 90Vac~277Vac | Input current | 0.9A largest |
| Constant current accuracy | Maximum ±5% | Pressure | I/P-O/P: 3750Vac, I/P-FG: 1875Vac |
| Safety standards | UL8750, UL1310 Class 2, EN61347-1, EN61347-2-13, UL1012,UL60950 | Standard output wire | UL Rated,18-16#AWG |
| Brand Name | HAOLI | Model Number | EWP-30D/EWP-50T Series |
| Certification | CE，ISO9001，ROHS | Place of Origin | ChengDu |
| High Light | led lamp power supply ，led strip power supply | ||
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 |
Company Details
Business Type:
Manufacturer
Year Established:
2019
Total Annual:
3000000-5000000
Employee Number:
100~120
Ecer Certification：
Active Member
Chengdu Hao Li Electronic Technology Co., Ltd. is mainly engaged in the application design, development, production and sales of power supply and ultrasonic products. It has nearly 20 years of experience. It has in-depth cooperation with University of Electronic Science and Technology and Sichuan Un... Chengdu Hao Li Electronic Technology Co., Ltd. is mainly engaged in the application design, development, production and sales of power supply and ultrasonic products. It has nearly 20 years of experience. It has in-depth cooperation with University of Electronic Science and Technology and Sichuan Un...
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