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High reliability open frame smps 21a ac to dc 1kw 48 v power supply
Features:
1,With wide application,they had been used in LED lighting,ACS,medical and beauty device,electrical power system,communication system,military industry and others.
2,Some models achieved CE,CCC,ETL,ISO,ROHS certification now.
3,There are more than 1,000 kinds of models.
1,Small size,high efficiency; | |||||||
2,International universal full voltage input; | |||||||
3,Built-in active PFC function; | |||||||
4, Built in filter,low noise,high reliability; | |||||||
5,Overload,short circuit,low-voltage,over-voltage,over-temperature etc. protection function | |||||||
parameter Item No. | K19H-UP1000S12 |
K19H-UP1000S24
| K19H-UP1000S36 | K19H-UP1000S48 | |||
OUTPUT
| DC Output Voltage | +12V | +24V | +36V | +48V | ||
Rated Current | 80A | 42A | 28A | 21A | |||
Current Range | 0-80A | 0-42A | 0-28A | 0-21A | |||
Rated power(10cfm fan) | 960W | 1008W | 1008W | 1008W | |||
Ripple | 240mVp-p | 240mVp-p | 360mVp-p | 480mVp-p | |||
ADJ.output range | 11.4-12.6V | 22.8-25.2V | 34.2-37.8V | 45.6-50.4V | |||
Output Accuracy | ±1% | ±1% | ±1% | ±1% | |||
Line Regulation | ±0.5% | ||||||
Load Regulation | ±0.5% | ||||||
Set up,Rise,Hold up time | 1000ms, 30ms, 10ms/115VAC 500ms, 30ms, 20ms/230VAC
| ||||||
INPUT
| Input Voltage range | 88-264V AC | |||||
Input current | 12A/115V;6A/230V | ||||||
Input frequency | 50-60Hz | ||||||
| Power factor | >0.9@220V,>0.95@110V | ||||||
Efficiency | 90%@230VAC | 92%@230VAC | 92%@230VAC | 93%@230VAC | |||
| Inrush current | Cool start 15A@230VAC,7.5A@115VAC | ||||||
| Leakage Current | <0.35mA@240VAC | ||||||
PROTECTION | Over load protection | 105~150%, Hiccup protection, automatic recovery | |||||
| Output over-voltage protection | 16-18V 30-33V 40-43V 56-60V | ||||||
| Over Temp. | 105℃ Protection, Type:Shut down o/p voltage,Auto-recover after temperature down | ||||||
ENVIRONMENT
| Working Temp.,Humidity | -20~60 ℃,10~90% RH , No condensation | |||||
Storage Temp.,Humidity | -20~85℃,10~95% RH. | ||||||
Temp.Coefficeent | ±0.03%/℃(0~50℃) | ||||||
Vibration | 10~500Hz, 2G 10min./1cycle, PERIOD FOR 60min. EACHAXES | ||||||
SAFETY&EMC
| Safety standards | ||||||
| Withstand voltage | I/P-O/P:1.5KV; I/P-FG:1.5KV;O/P-FG:0.5KV AC 1min | ||||||
Insulation resistance | I/P-O/P, I/P-FG, O/P-FG:500VDC / 100M Ohms | ||||||
EMC standards | EN55022 CLASS A,EN61000-3-2 | ||||||
OTHER
| Dimension | ||||||
Weight | 1.5Kg | ||||||
| Note: | 1, All parameter 230VAC input,rated load,environment temperature 25℃,measured under conditions of 70% humidity; 2, Accuracy:including set up tolerance,line regulation,Load regulation etc; 3, Ripple test:30cm long wire connect power supply and load, load end parallel 0.1u and 47u capacitor,the 20MHz oscilloscope was measured at the load end; 4, Line regulation:at rated load conditions, the input voltage change from low to high measured; 5,Load regulation:the measured output from 0-100% load changes measured; |




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Q1. Can I have a sample order for power supply?
A1: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2: Do you accept OEM/ODM for the switching power supply ?
A2: Yes. we do.
Q3:How about the quality?
A3:We have the better professional and experienced engineers team and strict QA and QC system.Repair rate under 0.1%~0.2%
Q4:What is PFC?
A4:PFC stands for Power Factor Correction. The purpose of PFC is to improve the ratio of apparent power and real power. The power factor is only 0.5~0.7 in non-PFC models. In PFC models, the power factor can reach above 0.9. The calculation formulas are as below:
Apparent Power=Input Voltage x Input Current (VA)
Real Power= Input Voltage x Input Current x Power Factor (W)
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