AC-DC 12V LED Power Supply 12V 250W Switch Power Supply S-250W-12V

• Customization: Available
• Output Type: Single
• Warranty: 3 Years
• Model NO.: S-250-12
• 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
• Transport Package: Safety Packaging
• Specification: 215*115*50mm
• Trademark: NVVV
• Origin: China

Product Description

Product Description

Specification

 

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

Company Profile

 

Our Team

Shipping&Delivery

FAQ

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.