Specifications
Brand Name :
HAOLI
Model Number :
EWP Series
Certification :
CE,ISO9001,ROHS
Place of Origin :
ChengDu
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
Price :
Negotiation
Description

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 dimming function models are available
  • 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

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

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

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

30W - 50W LED Switching Power Supply Waterproof Constant Current Source

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

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30W - 50W LED Switching Power Supply Waterproof Constant Current Source

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Brand Name :
HAOLI
Model Number :
EWP Series
Certification :
CE,ISO9001,ROHS
Place of Origin :
ChengDu
Input current :
0.9A largest
Starting time :
Maximum 2s (rated input voltage)
Contact Supplier
30W - 50W LED Switching Power Supply Waterproof Constant Current Source

Chengdu Haoli Electronic Technology Co.,Ltd.

Active Member
6 Years
sichuan, chengdu
Since 2019
Business Type :
Manufacturer
Total Annual :
3000000-5000000
Employee Number :
100~120
Certification Level :
Active Member
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