Products
350W Single Output Switching Power Supply S-350 series
Characteristics of the S-series conventional power supply with unidirectional output,
The advantages are small size, light weight,
The international popular model is 100W 120W 145W 150W 200W 350W
Widely used in medical equipment, electronic display, LED street lights, home appliances
Huge price advantage, the power price can save up to $5.
More than 2 years of service life, inexpensive.
Leyu 3‰ far beyond the national standard 3%, hate the power supply life too long want to replace the new, do not choose Leyu power
350W Single Output Switching Power Supply S-350 series
High efficiency, high reliability, low cost
Universal AC input / full range
100% full load burn-in test
Protections: Short circuit/ Over load/ Over voltage
PWM control and regulated
Forced air cooling by built in DC fan
Built-in cooling Fan ON-OFF control
Fixed switching frequency at 25 KHz
2 years warranty
| SPECIFICATIONS | ||||||||
| OUTPUT | ||||||||
| Model | S-350-5 | S-350-7.5 | S-350-12 | S-350-13.5 | S-350-15 | S-350-24 | S-350-27 | S-350-48 |
| DC Voltage | 5V | 7.5V | 12V | 13.5V | 15V | 24V | 27V | 48V |
| Rated Current | 50A | 40A | 29A | 25.8A | 23.2A | 14.6A | 13A | 7.3A |
| Current Range | 0-50A | 0-40A | 0-29A | 0-25.8A | 0-23.2A | 0-14.6A | 0-13A | 0-7.3A |
| Rated Power | 250W | 300W | 348W | 348.3W | 348W | 350.4W | 351W | 350.4W |
| Ripple & Noise | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 150mVp-p | 200mVp-p | 240mVp-p |
| Voltage Adj. Range | -10%,+12% | ±20% | -16%,+10% | -12%,+11% | -10%,+20% | -16%,10% | -4%,+18% | -15%,+17% |
| Voltage Tolerance | ±2% | ±2% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% |
| Setup, Rise, Hold Up Time | 200ms,50ms,20ms at full load | |||||||
| INPUT | ||||||||
| Voltage Range | 90~132VAC/180~264VAC selected by switch 47~63Hz; 254~370VDC | |||||||
| AC Current | 6.5A/115V 4A/230V | |||||||
| Efficiency | 76% | 74% | 79% | 78% | 81% | 82% | 83% | |
| Inrush Current | Cold start 50A/115V 50A/230V | |||||||
| Leakage Current | <3.5mA/240VAC | |||||||
| PROTECTION | ||||||||
| Over Load | 105%~135% | |||||||
| Protection type: Fold back current limiting, recovers automatically after fault condition is removed. | ||||||||
| Over Voltage | 115%~135% | |||||||
| Protection type: hiccup mode, recovers automatically after fault condition is removed. | ||||||||
| Over Temp. | RT3≥55℃ Fan On, ≤45℃ Fan Off, ≥80℃ Output Shutdown (5~7.5V) | |||||||
| RT3≥65℃ Fan On, ≤55℃ Fan Off, ≥80℃ Output Shutdown (12~15V) | ||||||||
| RT3≥70℃ Fan On, ≤60℃ Fan Off, ≥85℃ Output Shutdown (24~48V) | ||||||||
| ENVIRONMENT | ||||||||
| Working Temp., Humidity | -10℃~+50℃; 20%~90%RH | |||||||
| Storage Temp., Humidity | -20℃~+85℃; 10%~95%RH | |||||||
| Vibration | 10~500Hz, 2G 10min./1cycle, period for 60min, each along X, Y, Z axes | |||||||
| SAFETY | ||||||||
| Withstand Voltage | I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC | |||||||
| Isolation Resistance | I/P-O/P, I/P-FG, O/P-FG: 100M Ohms/500VDC | |||||||
| STANDARD | ||||||||
| Safety Standard | Design refer to UL1950 | |||||||
| EMC Standard | Design refer to EN55022, EN55024, EN61000 | |||||||
| OTHERS | ||||||||
| Dimension | 215*115*50mm(L*W*H) | |||||||
| Weight | 1Kg | |||||||
| Packing | 20pcs/20Kg | |||||||
| NOTE | ||||||||
| 1.All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature. | ||||||||
| 2.Ripple & noise are measured at 20MHz of bandwidth by using a 12” twisted pair-wire terminated with a 0.1μ & 47μ parallel capacitor. | ||||||||
| 3.Tolerance: includes set up tolerance, line regulation and load regulation | ||||||||
