Chengdu Haoli Electronic Technology Co.,Ltd.
| Input current | 0.9A largest |
| Starting time | Maximum 2s (rated input voltage) |
| Constant current accuracy | Maximum ±5% |
| Storage temperature | -40℃~+85℃ |
| Protection function | Short circuit, overload, over temperature, over voltage |
| Safety standards | UL8750, UL1310 Class 2, EN61347-1, EN61347-2-13, UL1012,UL60950 |
| Brand Name | HAOLI |
| Model Number | EWP Series |
| Certification | CE，ISO9001，ROHS |
| Place of Origin | ChengDu |
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Product Specification
| Input current | 0.9A largest | Starting time | Maximum 2s (rated input voltage) |
| Constant current accuracy | Maximum ±5% | Storage temperature | -40℃~+85℃ |
| Protection function | Short circuit, overload, over temperature, over voltage | Safety standards | UL8750, UL1310 Class 2, EN61347-1, EN61347-2-13, UL1012,UL60950 |
| Brand Name | HAOLI | Model Number | EWP Series |
| Certification | CE，ISO9001，ROHS | Place of Origin | ChengDu |
| High Light | led bulb power supply ，led strip power supply | ||
Waterproof Constant Current Source 30W-50W LED Switching Power Supply
Product features
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
Our Advantages
OEM&ODM SERVICE
This company is engaged in the design,manufacture and sale of switching power series
LONG-TIME BURN-IN TEST
Each of the switch power is extremely safe and stable after 5 times testing
With high reliability,105℃long life capacitor,input voltage 5 seconds without damage
FAQ
Q1: How many year warranty of your Led driver?
A: Two years
Q2: Do you have switch power factory?
A: Yes.We are OEM&ODM manufacturer in Chengdu
Q3: Do you offer sample of power?
A: Yes.We offer free sample ,but you need pay the shippment.
Q4: Is your power with copper transform or something?
A: We can do with complete copper transform and copper cladding aluminum.
Q5: Do you have any certification?
A: Yes.We have CE,ISO9001,ROHS,if you need other certification with large order,we can apply for it
Model in the list
| Model | Output voltage range(Vdc) | Maximum output current(A) | R&N(maximum)(V) | Effi.% | Maximum power(W) | Power factor |
| EW-30-350mA | 63-90 | 0.35 | 5.0 | 89 | 31 | 0.93 |
| EW-30-500mA | 36-60 | 0.50 | 4.5 | 89.5 | 30 | 0.93 |
| EW-30-700mA | 30-48 | 0.70 | 3.5 | 87 | 34 | 0.93 |
| EW-30-1.05A | 18-30 | 1.05 | 2.5 | 87 | 30 | 0.93 |
| EW-30-1.40A | 15-24 | 1.40 | 2.5 | 86 | 34 | 0.93 |
| EW-30-1.75A | 12-18 | 1.75 | 3.0 | 85 | 31 | 0.93 |
| EW-50-350mA | 135-155 | 0.35 | 13.5 | 90 | 50 | 0.95 |
| EW-50-500mA | 65-100 | 0.50 | 6.0 | 89 | 50 | 0.95 |
| EW-50-700mA | 45-72 | 0.70 | 5.0 | 88.5 | 50 | 0.95 |
| EW-50-1.05A | 30-48 | 1.05 | 4.0 | 88 | 50 | 0.95 |
| EW-50-1.4A | 20-36 | 1.40 | 3.0 | 87.5 | 50 | 0.95 |
| EW-50-1.75A | 18-30 | 1.75 | 2.5 | 87.5 | 52 | 0.95 |
| EW-50-2.1A | 15-24 | 2.10 | 4.0 | 86.5 | 50 | 0.95 |
| EW-50-2.8A | 12-18 | 2.80 | 3.5 | 84 | 50 | 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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