Audited Supplier
S-250-12
Single
3 Years
350W
90-132V/180-264V
Series Switching Power Supply
Separate-excited Switching Power Supply
Width Modulation Type
Terminal Power Distribution Equipment
One-way Transmission
PWM
CE, RoHS, ISO, CCC, Bis
Nvvv
Short Circuit Overload Overvolt Overtemp
20.8A
Switch Power Supply
1PCS
100%Factory
12V
LED, CCTV and So on
47-63Hz
NVVV
Safety Packaging
215*115*50mm
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.
