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AC-DC 12V LED Power Supply 12V 250W Switch Power Supply S-250W-12V
| Price | $15.00 |
|---|---|
| Min Order | 1 pieces |
| Availability | In Stock |
| Shipping From | Zhejiang, China |
| Popularity | 514 people viewed |
Model NO.:
S-250-12
Output Type:
Single
Warranty:
3 Years
Output Power:
350W
Input Voltage:
90-132V/180-264V
Connection Mode:
Series Switching Power Supply
Starting Mode:
Separate-excited Switching Power Supply
Voltage Regulating Mode:
Width Modulation Type
Power Supplying System:
Terminal Power Distribution Equipment
Energy Transmission:
One-way Transmission
Modulation System:
PWM
Certification:
CE, RoHS, ISO, CCC, Bis
Brand:
Nvvv
Protections:
Short Circuit Overload Overvolt Overtemp
Output Current:
20.8A
Product Name:
Switch Power Supply
MOQ:
1PCS
Quality:
100%Factory
Output Voltage:
12V
Application:
LED, CCTV and So on
Output Frequency:
47-63Hz
Trademark:
NVVV
Transport Package:
Safety Packaging
Specification:
215*115*50mm
Origin:
China
Product Description
| S-250 250W switching power supply | ||||||
| project | Technical index | |||||
| output | DC voltage | 5V | 12V | 24V | 36V | 48V |
| Rated current | 40A | 20.8A | 10.4A | 7A | 5.2A | |
| Rated power | 200W | 249.6W | 249.6W | 252W | 249.6W | |
| Ripple and noise | <100mV | <150mV | <150mV | <240mV | <240mV | |
| Voltage accuracy | ±2% | ±1% | ||||
| Output voltage regulation range | ±10% | |||||
| Load adjustment rate | <±1.5% | <±0.5% | <±0.5% | <±0.5% | <±0.5% | |
| Linear adjustment rate | <±0.5% | |||||
| input | Voltage range | 90-132VAC/180-264VAC 47Hz~63Hz 254VDC~370VDC | ||||
| Efficiency (typical) | >78% | >82% | >84% | >84% | >84% | |
| Working current | <4A 115VAC <2.5A 230VAC | |||||
| Impulse current | 115VAC 25A, 220VAC 50A | |||||
| Start, rise, hold time | 200ms,50ms,20ms :220VAC | |||||
| protect | overload protection | 105% - 150% type: constant current output + VO reduced to undervoltage point cut off output reset: power on again | ||||
| Overvoltage protection | 115%-135%VOUT | |||||
| Undervoltage protection | 35%-45%VOUT | |||||
| Short circuit protection | +VODrop to undervoltage point to close output | |||||
| Over temperature protection | Rth3: ≥ 60 ºC fan start, ≥ 50 ºC fan close, ≥ 80 ºC close output (5V) rth3: ≥ 65 ºC fan start, ≥ 55 ºC fan close, ≥ 85 ºC close output (12v-48v) | |||||
| Environmental Science | Working temperature and humidity | -10ºC~+50ºC;20%~90RH | ||||
| Storage temperature and humidity | -20ºC~+85ºC;10%~95RH | |||||
| Safety regulations | Withstand voltage | Input output: 1.5kVac input shell: 1.5kVac output shell: 0.5kvac for 1 minute | ||||
| Leakage current | 5mA at 1.5kVac input-output | |||||
| Leakage current | Input output at 220VAC < 1mA | |||||
| Isolation resistance | Input output, input shell, output shell: 500VDC / 100M Ω | |||||
| Other | size | 215*114*50mm | ||||
| Net weight / gross weight | 866/925g | |||||
Q1:How many Voltage you can supply? A: 12v , 24v , 48v ,50v , 60v , 110v(Depend on items).
Q2Can I have a sample order? A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.
Q3Do you have any MOQ limited for the order? A: Low MOQ, 1pc for sample checking is available.
Q4How do you ship the goods and how long does it take to arrive? A: We usually ship by DHL, UPS, FedEx or EMS. It usually takes 3-5 days to arrive. Airline and sea shipping also optional.
Q5Do you offer guarantee for the products? A: Yes, we offer warranty to our products.
Q6: How to deal with the faulty? A: Firstly, our products are produced in strict quality control system and the defective rate will be less. Secondly, during the guarantee period,we will send new product with new order for small quantity. For defective batch products, we will repair them and resend them to you or we can discuss the solution including re-call according to real situation.
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