Enclosed switching power supplies have a metal or plastic case covering their internal PCB. It is installed inside the enclosure of the end system. Enclosed power supplies include 2 different sets of power supplies with fans and without fans, depending on their power rating or design philosophy.
The 350W switching power supply brings you the largest range of high-reliability, high-efficiency power supplies. From single-output power supplies to PFC functional power supplies, our range of enclosed switching power supplies provides a variety of options for your application, and our products are designed to meet the safety and efficiency requirements associated with industrial applications.
【1】Good quality and high performance
【2】AC 110V / 220V to DC 12V
【3】Protection: short circuit, overload, overvoltage, overtemperature protection
【4】Cooling by natural air convection (not recommended for use in bathrooms)
【5】The unit can work for a long time with an underrated current and a good heat dissipation environment.
【6】The actual output current depends on the circuit load.
1. Internal high pressure, please do not remove the cover. The qualified service personnel only.
2. Select by switch before powering on, please check whether the input voltage is damaged.
3. Please do not let the equipment work for a long time under the rated current! Generally, it is better to work below 80% of the rated current.
Strong anti-interference, high efficiency, efficient heat dissipation, high pressure resistance, stable performance, built-in controllable fan, low noise, efficient heat dissipation.
|Ripple and noise ①||＜150mV||＜150mV||＜150mV||＜150mV||＜240mV||＜240mV|
|Output voltage regulation range||±10%|
|Load adjustment rate||＜±1.5%||＜±1.2%||＜±1.2%||＜±1%||＜±0.5%||＜±0.5%|
|Linear adjustment rate||＜±1%|
|input||Voltage range||90-132VAC/180-264VAC 47Hz～63Hz；254VDC～370VDC|
|Efficiency (typical) ②||＞74%||＞82%||＞82%||＞84%||＞86%||＞86%|
|Working current||＜5.2 A 115VAC ＜2.8A 230VAC|
|Impulse current||110VAC 25A， 220VAC： 50A|
|Start, rise, hold time||200ms、50ms、20ms ：230VAC|
|protect||overload protection||105% - 135% type: constant current output + VO reduced to undervoltage point cut off output reset: power on again|
|Overvoltage protection||Close output when ≥ 115% - 145%|
|Undervoltage protection||Close output when ≤ 10% - 45%|
|Short circuit protection||Close output|
|Over temperature protection||Rth3: ≥ 65 ℃ fan start, ≥ 55 ℃ fan close, ≥ 80 ℃ close output (5v-15v) rth3: ≥ 70 ℃ fan start, ≥ 60 ℃ fan close, ≥ 85 ℃ close output (18v-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||Input output < 6mA at 1.5kVac|
|Leakage current||< 1.5mA at input-output 220VAC|
|Isolation resistance||Input output, input shell, output shell: 500VDC / 100M Ω|
|Net weight / gross weight||874.1/936.3g|
|Remarks||① Ripple and noise measurement method: use a 12 "twisted pair, and connect 0.1uF and 47uF capacitors in parallel at the terminal, and measure at 20MHz bandwidth. ② The efficiency is tested at an input voltage of 230VAC, rated load, and an ambient temperature of 25 ℃. Accuracy: including setting error, linear adjustment rate and load adjustment rate. Linear regulation test method: under rated load from low voltage to high voltage test load regulation test method: from 0% - 100% rated load. The start-up time is measured under the cold start state. The quick and frequent switch on and off may increase the start-up time. When the operating altitude is higher than 2000m, the operating environment temperature needs to be reduced by 5 ℃ / 1000m|
Q: How many voltage you can supply?
A: 5V, 9V, 12V, 13.8V, 15V, 18V, 24V, 36V, 48V, 50V, 60V, 110V
( Depend on items )
Q: How many current you can supply?
A: 0.5A, 1A, 1.5A, 2A, 3A, 4A, 5A, 6A, 10A, 15A, 20A, 30A, 40A, 50A, 60A, 80A.
Q: How about the quality?
A: We have the best professional and experienced engineer and strict QA and QCsystem.
Repair rate under 0.1%--0.2%
Q: What's your lead time?
A: The delivery time is 1-25days which depend on detail items and quantity.
Q: Can we be your distributor?
A: We are looking for distributor and agent all over the world for switching power supplyshould you any interest, please do feel free to send your message or inquiry
Q: What's kind of payment you accept?
A: T/T, L/C, D/P, D/ A, 0/ A, paypal, western Union, Money Gram
Q: Do you accept OEM ODM?
> How to Reduce Ripple of Switching Power Supply?One is achieved by the filter, the second is achieved by the calculator component, and the third is achieved by the reverse voltage circuit.
> What is the Load Test Method for Switching Power Supply?The method by constantly adjusting the size of the load resistance, so that the output current of the power supply in accordance with the predetermined proportion gradually increased.
> How to Solve the Harmonic of Switching Power Supply?By using harmonic suppression circuit, the generation of high frequency current can be limited and the influence of harmonic current on switching power supply can be reduced effectively.
> How Can Switching Power Supply Output be Used in Parallel?Switching power supply is a kind of power supply which is widely used in various electronic equipment, including DC switching power supply and AC switching power supply.
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