12V 20A 240W, DC Universal Regulated Switching Power Supply, AC 100-240 to DC 12 | Lighting Accessories & Parts

Zhejiang Junlin Electric Technology Co., Ltd.

Enquire

Compare & Bulk Enquire

12V 20A 240W, DC Universal Regulated Switching Power Supply, AC 100-240 to DC 12

Quantity

Production Lead Time:

1 day(s)

Shipping Method:

Express Delivery

Application:

ac to dc

Brand:

NVVV

Model No.:

S-250-12

Size:

215*115*50

Weight:

0.9

Description

Contact Supplier

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 ①	＜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) ②	＞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 ℃ fan start, ≥ 50 ℃ fan close, ≥ 80 ℃ close output (5V) rth3: ≥ 65 ℃ fan start, ≥ 55 ℃ fan close, ≥ 85 ℃ close output (12v-48v)
Environmental Science	Working temperature and humidity	-10℃～+50℃；20%～90RH
	Storage temperature and humidity	-20℃～+85℃；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	21511450mm
	Net weight / gross weight	866/925g